Today's Message Index:
----------------------
1. 12:02 AM - Re: Re: Wheels and Tires (Richard McLachlan)
2. 05:22 AM - Re: Re: Wheels and Tires (Edward Moody II)
3. 09:28 AM - Re: Re: Wheels and Tires (Gary Gower)
4. 09:39 AM - Oshkosh 2005 and Fall season flights (Michel Therrien)
5. 10:22 AM - Re: Re: Wheels and Tires (Paul Mulwitz)
6. 11:20 AM - Re: Oshkosh 2005 and Fall season flights (N5SL)
7. 11:32 AM - 601 xl aluminim sheet (AltEng)
8. 11:32 AM - Re: best shears (Aaron)
9. 12:03 PM - Re: Re: Re: Wheels and Tires ()
10. 12:08 PM - Re: 601 xl aluminim sheet (Zodie Rocket)
11. 12:41 PM - Old 701 New Windsheild (Zodie Rocket)
12. 01:58 PM - Propeller Pitch For Stratus Subaru & Canopy Trim Cement (DICK WILBERS)
13. 01:58 PM - Wheel pants and cruise speed! (Grant Corriveau)
14. 02:14 PM - Compass -- what's working? (Grant Corriveau)
15. 02:36 PM - Re: Wheel pants and cruise speed! (Hinde, Frank George (Corvallis))
16. 02:43 PM - Re: Compass -- what's working? (Hinde, Frank George (Corvallis))
17. 02:44 PM - Re: Compass -- what's working? (Zodie Rocket)
18. 02:59 PM - Re: Compass -- what's working? ()
19. 02:59 PM - Re: Compass -- what's working? (Mike Fothergill)
20. 03:37 PM - Re: Compass -- what's working? (Michel Therrien)
21. 04:38 PM - Re: Compass -- what's working? (Zodie Rocket)
22. 05:14 PM - Re: Propeller Pitch For Stratus Subaru & Canopy Trim (Bryan Martin)
23. 05:14 PM - Landing accident tonight 601HDS (PHFD400@aol.com)
24. 05:29 PM - Re: Old 701 New Windsheild (Johann G.)
25. 06:19 PM - Re: Landing accident tonight 601HDS (Steve Hulland)
26. 06:51 PM - Re: Re: Wheels and Tires (Larry)
27. 07:18 PM - Re: Landing accident tonight 601HDS (Ashcraft, Keith -AES)
28. 07:36 PM - Re: Landing accident tonight 601HDS (Michel Therrien)
29. 07:39 PM - Re: Compass -- what's working? (Michel Therrien)
30. 08:36 PM - Re: Propeller Pitch For Stratus Subaru & Canopy Trim (Larry McFarland)
31. 08:44 PM - Re: Wheel pants and cruise speed! (Larry McFarland)
Message 1
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| Subject: | Re: RE: Wheels and Tires |
--> Zenith-List message posted by: "Richard McLachlan" <richard@rodsley.net>
We have landed on a flat main gear tyre on several occasions. On the landing
roll, you just wonder why you need full rudder to keep straight.
----- Original Message -----
From: "Gary Gower" <ggower_99@yahoo.com>
Subject: Re: Zenith-List: RE: Wheels and Tires
> --> Zenith-List message posted by: Gary Gower <ggower_99@yahoo.com>
>
> I think that "Blowing" an inner tube in a landing is more dangerous that
having a "flat" in a tubeless... (remember old tires in the road).
>
> Never had either in my airplanes, The few flats were there always when I
got to the hangar to fly in the morning :-(
>
> In a hard landing, the tuble can blow, same final result...
>
> Saludos
> Gary Gower.
>
> doug kandle <d_kandle@velocitus.net> wrote:
> --> Zenith-List message posted by: doug kandle
>
> I see from this thread that a number of people are running without
> inner tubes in their tires. I always thought this was unsafe because
> of the possibility of breaking the bead, and instantly loosing all of
> your air, during a (less than perfect) landing with a significant
> side load on the wheels. Should this be a concern?
>
>
> ---------------------------------
> Click here to donate to the Hurricane Katrina relief effort.
>
>
Message 2
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| Subject: | Re: RE: Wheels and Tires |
--> Zenith-List message posted by: "Edward Moody II" <dredmoody@cox.net>
So the point is that a tire and a tube would be more hazardous than just a
tire? I don't think the reasonable redundancy of a tube would increase the
danger.
Ed Moody II
do not archive
----- Original Message -----
From: "Gary Gower" <ggower_99@yahoo.com>
Subject: Re: Zenith-List: RE: Wheels and Tires
> --> Zenith-List message posted by: Gary Gower <ggower_99@yahoo.com>
>
> I think that "Blowing" an inner tube in a landing is more dangerous that
> having a "flat" in a tubeless... (remember old tires in the road).
>
> Never had either in my airplanes, The few flats were there always when I
> got to the hangar to fly in the morning :-(
>
> In a hard landing, the tuble can blow, same final result...
>
> Saludos
> Gary Gower.
>
> doug kandle <d_kandle@velocitus.net> wrote:
> --> Zenith-List message posted by: doug kandle
>
> I see from this thread that a number of people are running without
> inner tubes in their tires. I always thought this was unsafe because
> of the possibility of breaking the bead, and instantly loosing all of
> your air, during a (less than perfect) landing with a significant
> side load on the wheels. Should this be a concern?
>
>
> ---------------------------------
> Click here to donate to the Hurricane Katrina relief effort.
>
>
>
Message 3
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| Subject: | Re: RE: Wheels and Tires |
--> Zenith-List message posted by: Gary Gower <ggower_99@yahoo.com>
Yes, that is why in the cars ALL the recent tires are Tubeless,
When a wheel is pinched... in a tubless (normaly and in most ocasions) will deflate
slowly and the vehicle (car or plane) will start pullling steady towards
the deflating wheel.., in a tube tire the tube will explode as a kids ballon,,,
and the pull is hard and unexpected...
I repeat, never to date I had a flat tire in a plane, but several, with one incident
with a ditch in cars, I think that danger is similar if plane is in the
fast part of landing or just ready to take off... Any experienced pilots opinion?
Saludos
Gary Gower
Edward Moody II <dredmoody@cox.net> wrote:
--> Zenith-List message posted by: "Edward Moody II"
So the point is that a tire and a tube would be more hazardous than just a
tire? I don't think the reasonable redundancy of a tube would increase the
danger.
Ed Moody II
do not archive
----- Original Message -----
From: "Gary Gower"
Subject: Re: Zenith-List: RE: Wheels and Tires
> --> Zenith-List message posted by: Gary Gower
>
> I think that "Blowing" an inner tube in a landing is more dangerous that
> having a "flat" in a tubeless... (remember old tires in the road).
>
> Never had either in my airplanes, The few flats were there always when I
> got to the hangar to fly in the morning :-(
>
> In a hard landing, the tuble can blow, same final result...
>
> Saludos
> Gary Gower.
>
> doug kandle wrote:
> --> Zenith-List message posted by: doug kandle
>
> I see from this thread that a number of people are running without
> inner tubes in their tires. I always thought this was unsafe because
> of the possibility of breaking the bead, and instantly loosing all of
> your air, during a (less than perfect) landing with a significant
> side load on the wheels. Should this be a concern?
>
>
> ---------------------------------
> Click here to donate to the Hurricane Katrina relief effort.
>
>
>
---------------------------------
Click here to donate to the Hurricane Katrina relief effort.
Message 4
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| Subject: | Oshkosh 2005 and Fall season flights |
--> Zenith-List message posted by: Michel Therrien <mtherr@yahoo.com>
Hello gang!
It has been a while since I last updated my web site
(including the "picture of the day"). Well, I had a
very nice weekend and I decided that I should share
this with others.
So here it is, yesterday evening, I took some time to
update my web site. I added two pages:
Air Venture 2005 pictures
2005 Photo Album
On the photo album, I inserted pictures of flights
made on Oct 1 and 2. Saturday, I flew to Sherbrooke
with a friend and was surprised to see uncles,
cousins, etc... I spend a part of the day giving
rides. My wife came for a ride with me on Sunday to
see the fall season colors....
Oh. And I guess that these two flight concluded what
I'll call my first season (which started on October
5th last year). During that "season", I logged 132
hours in my pilot log book. Good season hey? I'm
pretty happy despites the fact that the plane could
not fly for several weeks when I rebuilt the engine.
Michel
do not archive
----------------------------
Michel Therrien CH601-HD, C-GZGQ
http://mthobby.pcperfect.com/ch601
http://www.zenithair.com/bldrlist/profiles/mthobby
http://pages.infinit.net/mthobby
__________________________________
Message 5
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| Subject: | Re: RE: Wheels and Tires |
--> Zenith-List message posted by: Paul Mulwitz <p.mulwitz@worldnet.att.net>
> I repeat, never to date I had a flat tire in a plane, but several,
> with one incident with a ditch in cars, I think that danger is
> similar if plane is in the fast part of landing or just ready to
> take off... Any experienced pilots opinion?
One inexperienced pilot's opinion:
Ideally, the transition from flying to rolling (or vice versa) is a
gradual event. The faster a plane is going the more control
authority the flight controls have. It seems to me that a high speed
tire blowout would also be accompanied by good control possibility by
the pilot. This assumes the pilot is wide awake and prepared to
provide firm control inputs when this happens.
On the other hand, it would take a lack of pilot smoothness to crush
the tire so hard in the first place. That suggests a less than adept
pilot or really extreme weather conditions.
Paul
XL wings
do not archive
---------------------------------------------
Paul Mulwitz
32013 NE Dial Road
Camas, WA 98607
---------------------------------------------
Message 6
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| Subject: | Re: Oshkosh 2005 and Fall season flights |
--> Zenith-List message posted by: N5SL <nfivesl@yahoo.com>
Michel:
Thank you for the photos. Three years ago when I found your website I got the
bug to build my own airplane. Your photographs really got me going. Thanks for
all of your efforts and for giving this builder the courage to begin what has
been a fantastic experience.
Scott Laughlin
601XL/Corvair
ww.cooknwithgas.com
working on finishing details
Michel Therrien <mtherr@yahoo.com> wrote:
--> Zenith-List message posted by: Michel Therrien
Hello gang!
It has been a while since I last updated my web site
(including the "picture of the day"). Well, I had a
very nice weekend and I decided that I should share
this with others.
---------------------------------
Click here to donate to the Hurricane Katrina relief effort.
Message 7
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| Subject: | 601 xl aluminim sheet |
--> Zenith-List message posted by: "AltEng" <AltEng@mysimmons.com>
I have ordered the plans for the 601xl but Zenith says it well be a few
weeks before the plans ship because I believe the latest version is
anticipated out soon.
While waiting, I have looked at one site ch601.org and found cut out sheets
for the 6061-t6 sheets but also to a reference where Zenith is now shipping
.025 for skins.
My questions:
1: did all .016 get replaced by .025?
2: assuming that .016 is still used for a lot of the parts, does anyone have
new layout sheets for the .025 and .016 aluminum?
Mark Simmons
Message 8
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--> Zenith-List message posted by: "Aaron" <agustafson@chartermi.net>
Thanks for all the replies. I guess Malco it will be. I had seen them and
they looked like they might be the ticket, but w/o feedback I just didn't
want to waste my money.
Aaron do not archive
Message 9
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| Subject: | Re: RE: Wheels and Tires |
--> Zenith-List message posted by: <dredmoody@cox.net>
Paul I think the debate is centered around two issues.
One is the comparison of the pressence of a tube inside a tire compared to the
same tire and wheel without a tube. Some have said that the tube adds too much
weight. Others suggest that the tube somehow makes the tire more likely to experience
an explosive blowout. Some hold the opinion that the tube is extra insurance.
I belong to the last group since I don't see any merit in the two previous
points of view. I apologize if my meager 250 hours are not enough experience
to speak up.
The second issue is the possibility of loading a main wheel laterally in a crosswind
landing. If the plane is banked into the crosswind and cross-controlled
rudder keeps the direction of motion straight down the runway, the weight at touchdown
is on one main wheel and that wheel is loaded at an angle. The other
possibility is that the plane is crabbed into the wind at touchdown and the loading
is on both main wheels but still has a sideways component because the direction
of travel is not in line with the wheels. In either instance there is
a force trying to unseat the tire bead from its proper seat on the rim. I think
that the tubelss setup would survive in all but the most extreme example of
this scenario. However, I suspect that the tire and tube would survive a more
extreme episode of this type than a tire without a tube (given the same tire and
rim combination). Again, my experience is limited but the physical principles
seems sound.
True, if the blowout happened at higher speed, the pilot would have more control
authority but regardless, he still has to transition to a stop and the control
response will diminish as the speed does. The greater question is how to minimze
the chance of the blowout, don't you think?
Ed
>
> From: Paul Mulwitz <p.mulwitz@worldnet.att.net>
> Date: 2005/10/04 Tue PM 01:19:33 EDT
> To: zenith-list@matronics.com
> Subject: Re: Zenith-List: RE: Wheels and Tires
>
> --> Zenith-List message posted by: Paul Mulwitz <p.mulwitz@worldnet.att.net>
>
>
> > I repeat, never to date I had a flat tire in a plane, but several,
> > with one incident with a ditch in cars, I think that danger is
> > similar if plane is in the fast part of landing or just ready to
> > take off... Any experienced pilots opinion?
>
>
> One inexperienced pilot's opinion:
>
> Ideally, the transition from flying to rolling (or vice versa) is a
> gradual event. The faster a plane is going the more control
> authority the flight controls have. It seems to me that a high speed
> tire blowout would also be accompanied by good control possibility by
> the pilot. This assumes the pilot is wide awake and prepared to
> provide firm control inputs when this happens.
>
> On the other hand, it would take a lack of pilot smoothness to crush
> the tire so hard in the first place. That suggests a less than adept
> pilot or really extreme weather conditions.
>
> Paul
> XL wings
> do not archive
>
>
> ---------------------------------------------
> Paul Mulwitz
> 32013 NE Dial Road
> Camas, WA 98607
> ---------------------------------------------
>
>
>
>
>
>
>
Message 10
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| Subject: | 601 xl aluminim sheet |
--> Zenith-List message posted by: "Zodie Rocket" <zodierocket@hsfx.ca>
Mark, the layouts can be printed off and the changes in the new plans
can be marked on the cutting layout. I hope that someday a new builder
will update the layouts for the www.ch601.org website.
Mark Townsend Alma, Ontario
Zodiac 601XL , Osprey 2 serial # 751
President: Kitchener/Waterloo RAA Chapter
www.ch601.org / www.ch701.com / www.Osprey2.com
-----Original Message-----
From: owner-zenith-list-server@matronics.com
[mailto:owner-zenith-list-server@matronics.com] On Behalf Of AltEng
Subject: Zenith-List: 601 xl aluminim sheet
--> Zenith-List message posted by: "AltEng" <AltEng@mysimmons.com>
I have ordered the plans for the 601xl but Zenith says it well be a few
weeks before the plans ship because I believe the latest version is
anticipated out soon.
While waiting, I have looked at one site ch601.org and found cut out
sheets
for the 6061-t6 sheets but also to a reference where Zenith is now
shipping
.025 for skins.
My questions:
1: did all .016 get replaced by .025?
2: assuming that .016 is still used for a lot of the parts, does anyone
have
new layout sheets for the .025 and .016 aluminum?
Mark Simmons
--
9/29/2005
--
9/29/2005
Message 11
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| Subject: | Old 701 New Windsheild |
--> Zenith-List message posted by: "Zodie Rocket" <zodierocket@hsfx.ca>
Hi List has anyone installed a new style windshield in there older 701
with the header tank? If so can I get a series of pictures for
www.ch701.com and if possible a small write up? I like the new style
windshield but would hate the thought of the gas filler cap on the
inside of the cabin.
Mark Townsend Alma, Ontario
Zodiac 601XL , Osprey 2 serial # 751
President: Kitchener/Waterloo RAA Chapter
www.ch601.org / www.ch701.com / www.Osprey2.com
--
9/29/2005
Message 12
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| Subject: | Propeller Pitch For Stratus Subaru & Canopy Trim Cement |
--> Zenith-List message posted by: "DICK WILBERS" <RWILBERS@TAMPABAY.RR.COM>
Listers:
I have a couple of questions that I couldn't find answered in my Zenith folder
or in the archives.
!. What has been the optimum pitch for Stratus Subaru engines with Warp Drive 3
bladed props?
2. What has been the best cement or glue for securing the rubber canopy trim?
Your replies will be greatly appreciated................................Richard
Message 13
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| Subject: | Wheel pants and cruise speed! |
--> Zenith-List message posted by: Grant Corriveau <grantc@ca.inter.net>
Well, I'm pretty well convinced now that the speed pants on my wheels
definitely make my aircraft look at least 20 KNOTS faster!! In terms of
true airspeed as measured in flight, this seems to convert to about 2? mph
;-)
I took of the 'spats' yesterday (it's nicer to do this in the warm weather
rather than wait until I'm up to my elbows in winter mush). Then I climbed
out to 6,5000 feet, set full throttle (which gives pretty close to 75%
power) and measured the groundspeed on recipricol tracks. It averages out
to 183 Kilometers/hour!! That seems a lot faster than 113 mph -- doesn't it?
Anyways, all this is just joking around to say that I don't advise anyone
with an HDS wing to worry too much about how much FASTER their airplane will
fly once they get the wheel pants on. I don't find much measureable
difference. IT does certainly look nicer though. Now, it's back to the
'slower' winter look for a while.
Happy flying,
Grant
BTW - in case anyone's interested in the full details:
CAM100 engine (Honda 1.5L conversion); PSRU ratio 2.4/1; Warp Drive 3 blade
70" prop with tapered tips; Prop angle set at 15.5 degrees.
Alt. 6,500 ASL; OAT 13C; full throttle; 5200 rpm; IAS 107 mph; True Airspeed
calculated from GPS = 113.4 mph.
Spec. fuel consumption according to the manual should be .45 lbs/BHP/hour.
i.e. about 5.6 USG/hour, if my calculations are correct. So, on a windless
day this converts to about 20 miles per usg. Not bad. I also know that I
get about 105 mph at 5,000 rpm for about 4.9 usg/hour and that's about 21.4
miles/gallon... I suspect that maximum range is found at about 4800 rpm
which still gives over 100 mph -- don't have exact readings yet.
Meanwhile, at the other end of the performance envelope, I can get airborne
in 650 feet, and climb out at about 800 fpm at a TOW of 1200 to 1300 lbs.
All around it seems a nice compromise.
--
Grant Corriveau
C-GHTF / HDS / CAM100
Message 14
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| Subject: | Compass -- what's working? |
--> Zenith-List message posted by: Grant Corriveau <grantc@ca.inter.net>
Hi all,
I originally bought the cheap chinese version of the vertical card compass.
I should have saved my money because it couldn't stand up to the vibrations
and the internal gears slipped. I repaired that, but now I find that the
thing still doesn't work properly. I've been testing it in my car for a
while now and the readings make no particular sense and the compensator
magnets don't help much. Maybe it got magnetized from the vibes?
At any rate, I'm not keen to reinstall it and have the gears slip again.
So -- I'm looking for what others are using that actually give good readings
(not that anyone looks at these any more with GPS! ;-)... And where are you
mounting them to get good readings and hopefully less vibration?
Does anyone have any comments on the electronic compassses such as sold in
the Aircraft spruce catalog? (i.e. the ones that say "not for aircraft
use")...
I also wonder if anyone in Canada knows how T.C. is currently applying the
regulation regarding direction finding systems required on board an
amateur-built. With my GPS (and back up gps), is the compass rendered
obsolete? The complication here is that the gps only gives track rather
than heading (with a few exceptions of course like the Garmin etrek)...
Any words of experience and wisdom gratefully recieved before I blow more
bucks on useless junk.
Thanks!
--
Grant Corriveau
C-GHTF / HDS / CAM100
Message 15
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| Subject: | Wheel pants and cruise speed! |
--> Zenith-List message posted by: "Hinde, Frank George (Corvallis)" <frank.hinde@hp.com>
Yup 2mph...thats about what I got...:)
Frank
Do not archive
-----Original Message-----
From: owner-zenith-list-server@matronics.com
[mailto:owner-zenith-list-server@matronics.com] On Behalf Of Grant
Corriveau
Subject: Zenith-List: Wheel pants and cruise speed!
--> Zenith-List message posted by: Grant Corriveau <grantc@ca.inter.net>
Well, I'm pretty well convinced now that the speed pants on my wheels
definitely make my aircraft look at least 20 KNOTS faster!! In terms of
true airspeed as measured in flight, this seems to convert to about 2?
mph
;-)
I took of the 'spats' yesterday (it's nicer to do this in the warm
weather rather than wait until I'm up to my elbows in winter mush).
Then I climbed out to 6,5000 feet, set full throttle (which gives pretty
close to 75%
power) and measured the groundspeed on recipricol tracks. It averages
out to 183 Kilometers/hour!! That seems a lot faster than 113 mph --
doesn't it?
Anyways, all this is just joking around to say that I don't advise
anyone with an HDS wing to worry too much about how much FASTER their
airplane will fly once they get the wheel pants on. I don't find much
measureable difference. IT does certainly look nicer though. Now, it's
back to the 'slower' winter look for a while.
Happy flying,
Grant
BTW - in case anyone's interested in the full details:
CAM100 engine (Honda 1.5L conversion); PSRU ratio 2.4/1; Warp Drive 3
blade 70" prop with tapered tips; Prop angle set at 15.5 degrees.
Alt. 6,500 ASL; OAT 13C; full throttle; 5200 rpm; IAS 107 mph; True
Airspeed calculated from GPS = 113.4 mph.
Spec. fuel consumption according to the manual should be .45
lbs/BHP/hour.
i.e. about 5.6 USG/hour, if my calculations are correct. So, on a
windless day this converts to about 20 miles per usg. Not bad. I also
know that I get about 105 mph at 5,000 rpm for about 4.9 usg/hour and
that's about 21.4 miles/gallon... I suspect that maximum range is found
at about 4800 rpm which still gives over 100 mph -- don't have exact
readings yet.
Meanwhile, at the other end of the performance envelope, I can get
airborne in 650 feet, and climb out at about 800 fpm at a TOW of 1200 to
1300 lbs.
All around it seems a nice compromise.
--
Grant Corriveau
C-GHTF / HDS / CAM100
Message 16
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| Subject: | Compass -- what's working? |
--> Zenith-List message posted by: "Hinde, Frank George (Corvallis)" <frank.hinde@hp.com>
I understand (not that I have one) the Airpath whisky compass works
pretty good, even though it looks pretty dumb.
For the RV I was going to get a 2.5" panel mount version which I can
mount in a little homemade bracket if it proves to be too close to the
avionics.
Mind you like you say, even for an IFR platform I have an EFIS, GPS,
compass and Autopilot....With 4 separate instruments capable of telling
which way is North when in the world am I ever going to look at the
stupid compass?
Frank 601 HDS soon to be RV7A
Do not archive
-----Original Message-----
From: owner-zenith-list-server@matronics.com
[mailto:owner-zenith-list-server@matronics.com] On Behalf Of Grant
Corriveau
Subject: Zenith-List: Compass -- what's working?
--> Zenith-List message posted by: Grant Corriveau <grantc@ca.inter.net>
Hi all,
I originally bought the cheap chinese version of the vertical card
compass.
I should have saved my money because it couldn't stand up to the
vibrations and the internal gears slipped. I repaired that, but now I
find that the thing still doesn't work properly. I've been testing it in
my car for a while now and the readings make no particular sense and the
compensator magnets don't help much. Maybe it got magnetized from the
vibes?
At any rate, I'm not keen to reinstall it and have the gears slip again.
So -- I'm looking for what others are using that actually give good
readings (not that anyone looks at these any more with GPS! ;-)... And
where are you mounting them to get good readings and hopefully less
vibration?
Does anyone have any comments on the electronic compassses such as sold
in the Aircraft spruce catalog? (i.e. the ones that say "not for
aircraft use")...
I also wonder if anyone in Canada knows how T.C. is currently applying
the regulation regarding direction finding systems required on board an
amateur-built. With my GPS (and back up gps), is the compass rendered
obsolete? The complication here is that the gps only gives track rather
than heading (with a few exceptions of course like the Garmin etrek)...
Any words of experience and wisdom gratefully recieved before I blow
more bucks on useless junk.
Thanks!
--
Grant Corriveau
C-GHTF / HDS / CAM100
Message 17
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|
| Subject: | Compass -- what's working? |
--> Zenith-List message posted by: "Zodie Rocket" <zodierocket@hsfx.ca>
Hi Grant , a mechanical compass (whiskey) is mandatory Equipment in
Transport Canada's eyes.
Mark Townsend
Can-Zac Aviation Ltd.
president@can-zacaviation.com
www.can-zacaviation.com
-----Original Message-----
From: owner-zenith-list-server@matronics.com
[mailto:owner-zenith-list-server@matronics.com] On Behalf Of Grant
Corriveau
Subject: Zenith-List: Compass -- what's working?
--> Zenith-List message posted by: Grant Corriveau <grantc@ca.inter.net>
Hi all,
I originally bought the cheap chinese version of the vertical card
compass.
I should have saved my money because it couldn't stand up to the
vibrations
and the internal gears slipped. I repaired that, but now I find that
the
thing still doesn't work properly. I've been testing it in my car for a
while now and the readings make no particular sense and the compensator
magnets don't help much. Maybe it got magnetized from the vibes?
At any rate, I'm not keen to reinstall it and have the gears slip again.
So -- I'm looking for what others are using that actually give good
readings
(not that anyone looks at these any more with GPS! ;-)... And where are
you
mounting them to get good readings and hopefully less vibration?
Does anyone have any comments on the electronic compassses such as sold
in
the Aircraft spruce catalog? (i.e. the ones that say "not for aircraft
use")...
I also wonder if anyone in Canada knows how T.C. is currently applying
the
regulation regarding direction finding systems required on board an
amateur-built. With my GPS (and back up gps), is the compass rendered
obsolete? The complication here is that the gps only gives track rather
than heading (with a few exceptions of course like the Garmin etrek)...
Any words of experience and wisdom gratefully recieved before I blow
more
bucks on useless junk.
Thanks!
--
Grant Corriveau
C-GHTF / HDS / CAM100
--
9/29/2005
--
9/29/2005
Message 18
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|
| Subject: | Re: Compass -- what's working? |
--> Zenith-List message posted by: <dredmoody@cox.net>
Has anyone hung a floating compass from the bubble canopy to keep it fairly far
from the magnetic interferance in the panel? I haven't seen it done but it might
work out.
Ed Moody II
>
> From: Grant Corriveau <grantc@ca.inter.net>
> Date: 2005/10/04 Tue PM 05:13:21 EDT
> To: <zenith-list@matronics.com>
> Subject: Zenith-List: Compass -- what's working?
>
> --> Zenith-List message posted by: Grant Corriveau <grantc@ca.inter.net>
>
> Hi all,
>
> I originally bought the cheap chinese version of the vertical card compass.
> I should have saved my money because it couldn't stand up to the vibrations
> and the internal gears slipped. I repaired that, but now I find that the
> thing still doesn't work properly. I've been testing it in my car for a
> while now and the readings make no particular sense and the compensator
> magnets don't help much. Maybe it got magnetized from the vibes?
>
> At any rate, I'm not keen to reinstall it and have the gears slip again.
>
> So -- I'm looking for what others are using that actually give good readings
> (not that anyone looks at these any more with GPS! ;-)... And where are you
> mounting them to get good readings and hopefully less vibration?
>
> Does anyone have any comments on the electronic compassses such as sold in
> the Aircraft spruce catalog? (i.e. the ones that say "not for aircraft
> use")...
>
> I also wonder if anyone in Canada knows how T.C. is currently applying the
> regulation regarding direction finding systems required on board an
> amateur-built. With my GPS (and back up gps), is the compass rendered
> obsolete? The complication here is that the gps only gives track rather
> than heading (with a few exceptions of course like the Garmin etrek)...
>
> Any words of experience and wisdom gratefully recieved before I blow more
> bucks on useless junk.
>
> Thanks!
> --
> Grant Corriveau
> C-GHTF / HDS / CAM100
>
>
>
>
>
>
>
Message 19
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|
| Subject: | Re: Compass -- what's working? |
--> Zenith-List message posted by: Mike Fothergill <mfothergill@sympatico.ca>
Hi Grant;
I believe that we are still required to have a compass. I have it
mounted on top of the dash/cowl in a bullet housing. It does compensate
nicely and stays pretty well in agreement with the GPS (Allowing for
drift angle).
Mike
CH-601HDS
UHS Spinners
Grant Corriveau wrote:
> --> Zenith-List message posted by: Grant Corriveau <grantc@ca.inter.net>
>
> Hi all,
>
> I originally bought the cheap chinese version of the vertical card compass.
> I should have saved my money because it couldn't stand up to the vibrations
> and the internal gears slipped. I repaired that, but now I find that the
> thing still doesn't work properly. I've been testing it in my car for a
> while now and the readings make no particular sense and the compensator
> magnets don't help much. Maybe it got magnetized from the vibes?
>
> At any rate, I'm not keen to reinstall it and have the gears slip again.
>
> So -- I'm looking for what others are using that actually give good readings
> (not that anyone looks at these any more with GPS! ;-)... And where are you
> mounting them to get good readings and hopefully less vibration?
>
> Does anyone have any comments on the electronic compassses such as sold in
> the Aircraft spruce catalog? (i.e. the ones that say "not for aircraft
> use")...
>
> I also wonder if anyone in Canada knows how T.C. is currently applying the
> regulation regarding direction finding systems required on board an
> amateur-built. With my GPS (and back up gps), is the compass rendered
> obsolete? The complication here is that the gps only gives track rather
> than heading (with a few exceptions of course like the Garmin etrek)...
>
> Any words of experience and wisdom gratefully recieved before I blow more
> bucks on useless junk.
>
> Thanks!
Message 20
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|
| Subject: | Re: Compass -- what's working? |
--> Zenith-List message posted by: Michel Therrien <mtherr@yahoo.com>
Hi Grant!
In Canada, a real compass is needed so a GPS does not
do it. I remember looking for the regs...
For the electronic ones, I purchased one of those PNI
compasses. I returned the first one after seeing how
it fails... second one does the same (I'll explain).
In summary, nice little thing, but the failure modes
are not acceptable for our use.
I used the compass in my car. Setup is pretty easy
(two timed 360 turns in a parking lot). Then, the
compass indicates direction. However, one day, I went
to Sherbrooke (using Highway 10) and noticed that my
heading was 100 degrees all the time (with variations
of +-10 degrees). Seems to be nice as Sherbrooke is
east of Montreal. However, when I turned around
Magog, heading did not change.... same when I followed
the 55 towards Windsor... still 100 degrees +- 10 (I
was going North at that point). It stayed the same
when coming back on Highway 20 to Montreal (going
West).
So, if I was flying and relying on the compass for
direction, I could have been lost before noticing that
the thing was wrong. No flag, warning or whatever on
the screen.. Notice that the screen was not frozen...
digits were moving a bit making me believe that it was
working.
Michel
do not archive
--- Grant Corriveau <grantc@ca.inter.net> wrote:
> Does anyone have any comments on the electronic
> compassses such as sold in
> the Aircraft spruce catalog? (i.e. the ones that say
> "not for aircraft
> use")...
>
> I also wonder if anyone in Canada knows how T.C. is
> currently applying the
> regulation regarding direction finding systems
> required on board an
> amateur-built. With my GPS (and back up gps), is
> the compass rendered
> obsolete? The complication here is that the gps
----------------------------
Michel Therrien CH601-HD, C-GZGQ
http://mthobby.pcperfect.com/ch601
http://www.zenithair.com/bldrlist/profiles/mthobby
http://pages.infinit.net/mthobby
__________________________________
Message 21
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|
| Subject: | Compass -- what's working? |
--> Zenith-List message posted by: "Zodie Rocket" <zodierocket@hsfx.ca>
Michel are you sure it was the compass and not Mt Orford?
Mark Townsend Alma, Ontario
Zodiac 601XL , Osprey 2 serial # 751
President: Kitchener/Waterloo RAA Chapter
www.ch601.org / www.ch701.com / www.Osprey2.com
do not archive
-----Original Message-----
From: owner-zenith-list-server@matronics.com
[mailto:owner-zenith-list-server@matronics.com] On Behalf Of Michel
Therrien
Subject: Re: Zenith-List: Compass -- what's working?
--> Zenith-List message posted by: Michel Therrien <mtherr@yahoo.com>
Hi Grant!
In Canada, a real compass is needed so a GPS does not
do it. I remember looking for the regs...
For the electronic ones, I purchased one of those PNI
compasses. I returned the first one after seeing how
it fails... second one does the same (I'll explain).
In summary, nice little thing, but the failure modes
are not acceptable for our use.
I used the compass in my car. Setup is pretty easy
(two timed 360 turns in a parking lot). Then, the
compass indicates direction. However, one day, I went
to Sherbrooke (using Highway 10) and noticed that my
heading was 100 degrees all the time (with variations
of +-10 degrees). Seems to be nice as Sherbrooke is
east of Montreal. However, when I turned around
Magog, heading did not change.... same when I followed
the 55 towards Windsor... still 100 degrees +- 10 (I
was going North at that point). It stayed the same
when coming back on Highway 20 to Montreal (going
West).
So, if I was flying and relying on the compass for
direction, I could have been lost before noticing that
the thing was wrong. No flag, warning or whatever on
the screen.. Notice that the screen was not frozen...
digits were moving a bit making me believe that it was
working.
Michel
do not archive
--- Grant Corriveau <grantc@ca.inter.net> wrote:
> Does anyone have any comments on the electronic
> compassses such as sold in
> the Aircraft spruce catalog? (i.e. the ones that say
> "not for aircraft
> use")...
>
> I also wonder if anyone in Canada knows how T.C. is
> currently applying the
> regulation regarding direction finding systems
> required on board an
> amateur-built. With my GPS (and back up gps), is
> the compass rendered
> obsolete? The complication here is that the gps
----------------------------
Michel Therrien CH601-HD, C-GZGQ
http://mthobby.pcperfect.com/ch601
http://www.zenithair.com/bldrlist/profiles/mthobby
http://pages.infinit.net/mthobby
__________________________________
--
9/29/2005
--
9/29/2005
Message 22
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|
Cement
| Subject: | Re: Propeller Pitch For Stratus Subaru & Canopy Trim |
Cement
--> Zenith-List message posted by: Bryan Martin <bryanmmartin@comcast.net>
I have my 68" prop set at 17 degrees and get about 120 mph CAS flat full
throttle at about 3000 feet and climb out at about 800 ft/min after an 800
foot run from 600 ft MSL. I haven't played around with it much to find the
"optimum" setting but this works well.
I used 3M weatherstrip adhesive to glue on the trim. After a 14 months and
125 hours flight time, it shows no signs of coming loose.
--
Bryan Martin
N61BM, CH 601 XL, Stratus Subaru.
do not archive.
on 10/4/05 4:57 PM, DICK WILBERS at RWILBERS@tampabay.rr.com wrote:
> --> Zenith-List message posted by: "DICK WILBERS" <RWILBERS@TAMPABAY.RR.COM>
>
> Listers:
> I have a couple of questions that I couldn't find answered in my Zenith
> folder or in the archives.
> !. What has been the optimum pitch for Stratus Subaru engines with Warp Drive
> 3 bladed props?
> 2. What has been the best cement or glue for securing the rubber canopy trim?
>
Message 23
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|
| Subject: | Landing accident tonight 601HDS |
--> Zenith-List message posted by: PHFD400@aol.com
My wife Bonnie and I were out enjoying the mountains and leave changes here
in North Carolina tonight. Came back to Andrews/Murphy airport (RHP) made a
normal landing, when all of a sudden, my side of the aircraft shifted down.
The aircraft was uncontrollable, skidded down the center, then started going
off to the left. Left the runway into tall grass and started sliding
sideways. What a ride!!!! Lucky, we both got out OK, but still shaking.....
Our
left main landing gear broke clean off at the tube weld where it attached to
the wheel fork.
When the weld broke, the tire and wheel pant supported the wing down the
runway until we slide off into the grass. The wheel left under the wing and
flew back and hit the horz stabilizer and put a big dent in that. Not sure how
much damage under left wing.
Now we have to move the aircraft out of the grass tomorrow morning. Not
sure how we are going to lift it up or how we are going to move it.
Glad it happened when and where it did. Could have been a lot worse at some
other airports I can think of... And of course you cannot get hold of any
Insurance companies after hours.. (AOPA)
Got to be thankful no injuries.
Jim & Bonnie Olson
CH601HDS N56BJ 288 hours
http://hometown.aol.com/phfd400/index.html
Message 24
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|
| Subject: | Re: Old 701 New Windsheild |
--> Zenith-List message posted by: "Johann G." <johann@gi.is>
Hello Mark.
I am using the new style formed windshield from Zenith and am using the D
header tank. I removed the filler cap and had it welded closed. Installed a
fuel level sensor from VDO and then I transfer the fuel from the wing tanks
(5 gallons) to the header tank with a special fuel pump. I use a clear fuel
hose from each wing to see when the wing tanks are empty. No fuel level
sensors there. When either wing tank is empty, I just shut that tank off and
let the fuel pump empty the other wing tank. The header tank will give me
about two hours of flying time.
Works fine so far.
Here are some pictures of the header tank: www.gi.is/fis
Look under Zenith/fuselage, page 5 - last picture, and page 6 - two
pictures.
I will send you a picture of the final outcome of the new windshield and the
fuel shut off for the wings, because I can not send an attachments with the
mail to matronics list.
Sorry for not updating the homepage, but I will try to work on that soon.
Best regards,
Johann G.
Iceland.
----- Original Message -----
From: "Zodie Rocket" <zodierocket@hsfx.ca>
Subject: Zenith-List: Old 701 New Windsheild
> --> Zenith-List message posted by: "Zodie Rocket" <zodierocket@hsfx.ca>
>
> Hi List has anyone installed a new style windshield in there older 701
> with the header tank? If so can I get a series of pictures for
> www.ch701.com and if possible a small write up? I like the new style
> windshield but would hate the thought of the gas filler cap on the
> inside of the cabin.
>
> Mark Townsend Alma, Ontario
> Zodiac 601XL , Osprey 2 serial # 751
> President: Kitchener/Waterloo RAA Chapter
> www.ch601.org / www.ch701.com / www.Osprey2.com
>
>
> --
> 9/29/2005
>
>
Message 25
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|
| Subject: | Re: Landing accident tonight 601HDS |
--> Zenith-List message posted by: Steve Hulland <marinegunner@gmail.com>
Jim and Bonnie,
Sure glad you are both fine. Hopefully the airplane can be fixed without to
much trouble.
Steve Hulland
Amado, AZ
701
Do not archive
On 10/4/05, PHFD400@aol.com <PHFD400@aol.com> wrote:
>
> --> Zenith-List message posted by: PHFD400@aol.com
>
> My wife Bonnie and I were out enjoying the mountains and leave changes
> here
> in North Carolina tonight. Came back to Andrews/Murphy airport (RHP) made
> a
> normal landing, when all of a sudden, my side of the aircraft shifted
> down.
> The aircraft was uncontrollable, skidded down the center, then started
> going
> off to the left. Left the runway into tall grass and started sliding
> sideways. What a ride!!!! Lucky, we both got out OK, but still
> shaking..... Our
> left main landing gear broke clean off at the tube weld where it attached
> to
> the wheel fork.
>
> When the weld broke, the tire and wheel pant supported the wing down the
> runway until we slide off into the grass. The wheel left under the wing
> and
> flew back and hit the horz stabilizer and put a big dent in that. Not sure
> how
> much damage under left wing.
>
> Now we have to move the aircraft out of the grass tomorrow morning. Not
> sure how we are going to lift it up or how we are going to move it.
>
> Glad it happened when and where it did. Could have been a lot worse at
> some
> other airports I can think of... And of course you cannot get hold of any
> Insurance companies after hours.. (AOPA)
>
> Got to be thankful no injuries.
>
> Jim & Bonnie Olson
> CH601HDS N56BJ 288 hours
> http://hometown.aol.com/phfd400/index.html
>
>
Message 26
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|
| Subject: | Re: RE: Wheels and Tires |
--> Zenith-List message posted by: "Larry" <lrm01@centurytel.net>
They are tubeless because, the wheels have safety beads, the tires are
tubeless. And, it is less expensive to produce a tubeless tire than a tire
and tube. The Maco wheels do not have safety beads and the tires supplied
by Zenith state very clearly in big letters "tube type". If the Maco wheels
had safety beads and the tires were tubeless, I would have no problem with
your opinion, however, they do not. For the life of me I do not understand
why some of you do not seem to understand this very simple premise.
Larry N1345L
----- Original Message -----
From: "Gary Gower" <ggower_99@yahoo.com>
Subject: Re: Zenith-List: RE: Wheels and Tires
> --> Zenith-List message posted by: Gary Gower <ggower_99@yahoo.com>
>
> Yes, that is why in the cars ALL the recent tires are Tubeless,
>
> When a wheel is pinched... in a tubless (normaly and in most ocasions)
> will deflate slowly and the vehicle (car or plane) will start pullling
> steady towards the deflating wheel.., in a tube tire the tube will
> explode as a kids ballon,,, and the pull is hard and unexpected...
>
> I repeat, never to date I had a flat tire in a plane, but several, with
> one incident with a ditch in cars, I think that danger is similar if plane
> is in the fast part of landing or just ready to take off... Any
> experienced pilots opinion?
>
> Saludos
> Gary Gower
>
>
> Edward Moody II <dredmoody@cox.net> wrote:
> --> Zenith-List message posted by: "Edward Moody II"
>
> So the point is that a tire and a tube would be more hazardous than just a
> tire? I don't think the reasonable redundancy of a tube would increase the
> danger.
>
> Ed Moody II
> do not archive
>
> ----- Original Message -----
> From: "Gary Gower"
> To:
> Subject: Re: Zenith-List: RE: Wheels and Tires
>
>
>> --> Zenith-List message posted by: Gary Gower
>>
>> I think that "Blowing" an inner tube in a landing is more dangerous that
>> having a "flat" in a tubeless... (remember old tires in the road).
>>
>> Never had either in my airplanes, The few flats were there always when I
>> got to the hangar to fly in the morning :-(
>>
>> In a hard landing, the tuble can blow, same final result...
>>
>> Saludos
>> Gary Gower.
>>
>> doug kandle wrote:
>> --> Zenith-List message posted by: doug kandle
>>
>> I see from this thread that a number of people are running without
>> inner tubes in their tires. I always thought this was unsafe because
>> of the possibility of breaking the bead, and instantly loosing all of
>> your air, during a (less than perfect) landing with a significant
>> side load on the wheels. Should this be a concern?
>>
>>
>> ---------------------------------
>> Click here to donate to the Hurricane Katrina relief effort.
>>
>>
>>
>
>
> ---------------------------------
> Click here to donate to the Hurricane Katrina relief effort.
>
>
> --
>
>
Message 27
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| Subject: | Landing accident tonight 601HDS |
de.ittind.com>
--> Zenith-List message posted by: "Ashcraft, Keith -AES" <Keith.Ashcraft@itt.com>
Subject: RE: Zenith-List: Landing accident tonight 601HDS
From: "Ashcraft, Keith -AES" <Keith.Ashcraft@itt.com>
Jim,
Glad that both of you are OK.
You might try buiding a furniture type dolly with 4 casters/wheels and 2x4s. (make
approx 12" wide and 48" long, to fit under the whole wing. Like a big-tall
skate-board) Lift the wing up by hand(s) and slide the dolly under the wing at
the approx location of the existing gear. Use fairly big casters/wheels then
push by hand.
Worth a try.
Keith
www.geocities.com/ch701builder
***********************************************************************************
-----Original Message-----
From: owner-zenith-list-server@matronics.com on behalf of Steve Hulland
Subject: Re: Zenith-List: Landing accident tonight 601HDS
--> Zenith-List message posted by: Steve Hulland <marinegunner@gmail.com>
Jim and Bonnie,
Sure glad you are both fine. Hopefully the airplane can be fixed without to
much trouble.
Steve Hulland
Amado, AZ
701
Do not archive
On 10/4/05, PHFD400@aol.com <PHFD400@aol.com> wrote:
>
> --> Zenith-List message posted by: PHFD400@aol.com
>
> My wife Bonnie and I were out enjoying the mountains and leave changes
> here
> in North Carolina tonight. Came back to Andrews/Murphy airport (RHP) made
> a
> normal landing, when all of a sudden, my side of the aircraft shifted
> down.
> The aircraft was uncontrollable, skidded down the center, then started
> going
> off to the left. Left the runway into tall grass and started sliding
> sideways. What a ride!!!! Lucky, we both got out OK, but still
> shaking..... Our
> left main landing gear broke clean off at the tube weld where it attached
> to
> the wheel fork.
>
> When the weld broke, the tire and wheel pant supported the wing down the
> runway until we slide off into the grass. The wheel left under the wing
> and
> flew back and hit the horz stabilizer and put a big dent in that. Not sure
> how
> much damage under left wing.
>
> Now we have to move the aircraft out of the grass tomorrow morning. Not
> sure how we are going to lift it up or how we are going to move it.
>
> Glad it happened when and where it did. Could have been a lot worse at
> some
> other airports I can think of... And of course you cannot get hold of any
> Insurance companies after hours.. (AOPA)
>
> Got to be thankful no injuries.
>
> Jim & Bonnie Olson
> CH601HDS N56BJ 288 hours
> http://hometown.aol.com/phfd400/index.html
>
>
name="winmail.dat"
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Message 28
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|
| Subject: | Re: Landing accident tonight 601HDS |
--> Zenith-List message posted by: Michel Therrien <mtherr@yahoo.com>
OH... it is at least the third occurence of this
problem that I ear or read of... not fun at all!
Glad you are in good shape!
Michel
do not archive
--- PHFD400@aol.com wrote:
> --> Zenith-List message posted by: PHFD400@aol.com
>
> My wife Bonnie and I were out enjoying the mountains
> and leave changes here
> in North Carolina tonight. Came back to
> Andrews/Murphy airport (RHP) made a
> normal landing, when all of a sudden, my side of the
> aircraft shifted down.
> The aircraft was uncontrollable, skidded down the
> center, then started going
> off to the left. Left the runway into tall grass
> and started sliding
> sideways. What a ride!!!! Lucky, we both got out
> OK, but still shaking..... Our
> left main landing gear broke clean off at the tube
> weld where it attached to
> the wheel fork.
>
> When the weld broke, the tire and wheel pant
> supported the wing down the
> runway until we slide off into the grass. The wheel
> left under the wing and
> flew back and hit the horz stabilizer and put a big
> dent in that. Not sure how
> much damage under left wing.
>
> Now we have to move the aircraft out of the grass
> tomorrow morning. Not
> sure how we are going to lift it up or how we are
> going to move it.
>
> Glad it happened when and where it did. Could have
> been a lot worse at some
> other airports I can think of... And of course you
> cannot get hold of any
> Insurance companies after hours.. (AOPA)
>
> Got to be thankful no injuries.
>
> Jim & Bonnie Olson
> CH601HDS N56BJ 288 hours
> http://hometown.aol.com/phfd400/index.html
>
>
>
> browse
> Subscriptions page,
> FAQ,
>
>
>
>
>
>
----------------------------
Michel Therrien CH601-HD, C-GZGQ
http://mthobby.pcperfect.com/ch601
http://www.zenithair.com/bldrlist/profiles/mthobby
http://pages.infinit.net/mthobby
__________________________________
Message 29
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|
| Subject: | Compass -- what's working? |
--> Zenith-List message posted by: Michel Therrien <mtherr@yahoo.com>
YEs...! The MT Orford does not have any effect when
you reach Sherbrooke, Windsor or Drumondville!
do not archive
--- Zodie Rocket <zodierocket@hsfx.ca> wrote:
> --> Zenith-List message posted by: "Zodie Rocket"
> <zodierocket@hsfx.ca>
>
> Michel are you sure it was the compass and not Mt
> Orford?
>
> Mark Townsend Alma, Ontario
> Zodiac 601XL , Osprey 2 serial # 751
> President: Kitchener/Waterloo RAA Chapter
> www.ch601.org / www.ch701.com / www.Osprey2.com
> do not archive
>
> -----Original Message-----
> From: owner-zenith-list-server@matronics.com
> [mailto:owner-zenith-list-server@matronics.com] On
> Behalf Of Michel
> Therrien
> To: zenith-list@matronics.com
> Subject: Re: Zenith-List: Compass -- what's working?
>
> --> Zenith-List message posted by: Michel Therrien
> <mtherr@yahoo.com>
>
> Hi Grant!
>
> In Canada, a real compass is needed so a GPS does
> not
> do it. I remember looking for the regs...
>
> For the electronic ones, I purchased one of those
> PNI
> compasses. I returned the first one after seeing
> how
> it fails... second one does the same (I'll explain).
>
> In summary, nice little thing, but the failure modes
> are not acceptable for our use.
>
> I used the compass in my car. Setup is pretty easy
> (two timed 360 turns in a parking lot). Then, the
> compass indicates direction. However, one day, I
> went
> to Sherbrooke (using Highway 10) and noticed that my
> heading was 100 degrees all the time (with
> variations
> of +-10 degrees). Seems to be nice as Sherbrooke is
> east of Montreal. However, when I turned around
> Magog, heading did not change.... same when I
> followed
> the 55 towards Windsor... still 100 degrees +- 10 (I
> was going North at that point). It stayed the same
> when coming back on Highway 20 to Montreal (going
> West).
>
> So, if I was flying and relying on the compass for
> direction, I could have been lost before noticing
> that
> the thing was wrong. No flag, warning or whatever
> on
> the screen.. Notice that the screen was not
> frozen...
> digits were moving a bit making me believe that it
> was
> working.
>
> Michel
> do not archive
>
>
> --- Grant Corriveau <grantc@ca.inter.net> wrote:
>
> > Does anyone have any comments on the electronic
> > compassses such as sold in
> > the Aircraft spruce catalog? (i.e. the ones that
> say
> > "not for aircraft
> > use")...
> >
> > I also wonder if anyone in Canada knows how T.C.
> is
> > currently applying the
> > regulation regarding direction finding systems
> > required on board an
> > amateur-built. With my GPS (and back up gps), is
> > the compass rendered
> > obsolete? The complication here is that the gps
>
>
> ----------------------------
> Michel Therrien CH601-HD, C-GZGQ
> http://mthobby.pcperfect.com/ch601
> http://www.zenithair.com/bldrlist/profiles/mthobby
> http://pages.infinit.net/mthobby
>
>
>
> __________________________________
>
>
> --
> 9/29/2005
>
>
> --
> 9/29/2005
>
>
>
> browse
> Subscriptions page,
> FAQ,
>
>
>
>
>
>
----------------------------
Michel Therrien CH601-HD, C-GZGQ
http://mthobby.pcperfect.com/ch601
http://www.zenithair.com/bldrlist/profiles/mthobby
http://pages.infinit.net/mthobby
__________________________________
Message 30
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|
| Subject: | Re: Propeller Pitch For Stratus Subaru & Canopy Trim |
Cement
--> Zenith-List message posted by: Larry McFarland <larrymc@qconline.com>
Dick,
The best pitch I've found for my 601 has been at 17-degrees measured at
the tip. Climb is still awesome and the
cruise available without improving oil cooling, is right at 120 mph.
You can go faster for short spurts, but in my case, the oil temps climb
to the limit (250-deg F.) 260-degrees f is max per Stratus. I'd
recommend you start with a 15 or 16-degree pitch and when you've done
all the loading and temperature studies and found your comfort zone in
flying the 601, then increase pitch in increments that allow you to find
a best setting.
PolyZap is one that you only need a drop each inch or so and it really
grabs quickly. You don't want to get any on your canopy because there's
no removing it.
Larry McFarland at www.macsmachine.com
DICK WILBERS wrote:
>--> Zenith-List message posted by: "DICK WILBERS" <RWILBERS@TAMPABAY.RR.COM>
>
>Listers:
>I have a couple of questions that I couldn't find answered in my Zenith folder
or in the archives.
>!. What has been the optimum pitch for Stratus Subaru engines with Warp Drive
3 bladed props?
>2. What has been the best cement or glue for securing the rubber canopy trim?
>
>Your replies will be greatly appreciated................................Richard
>
>
>
Message 31
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|
| Subject: | Re: Wheel pants and cruise speed! |
--> Zenith-List message posted by: Larry McFarland <larrymc@qconline.com>
Frank,
I got a little better with my new narrow ellipse pants. They are within
2-inches of the bottom of the tires
and are cut to fit closely to the rounded S-83 Michelin tires. Faired
in the step tubes as well. Still worth the
effort as they definitely look better. If you get even a little on top
end, you can expect a bit more economy in cruise.
None of these will go as fast as the 3300, but I'm slowly inching up to
the Corvair.:)
Larry McFarland 601HDS w/Stratus at www.macsmachine.com
Hinde, Frank George (Corvallis) wrote:
>--> Zenith-List message posted by: "Hinde, Frank George (Corvallis)" <frank.hinde@hp.com>
>
>Yup 2mph...thats about what I got...:)
>
>Frank
>
>Do not archive
>
>-----Original Message-----
>From: owner-zenith-list-server@matronics.com
>[mailto:owner-zenith-list-server@matronics.com] On Behalf Of Grant
>Corriveau
>To: zenith-list@matronics.com
>Subject: Zenith-List: Wheel pants and cruise speed!
>
>--> Zenith-List message posted by: Grant Corriveau <grantc@ca.inter.net>
>
>Well, I'm pretty well convinced now that the speed pants on my wheels
>definitely make my aircraft look at least 20 KNOTS faster!! In terms of
>true airspeed as measured in flight, this seems to convert to about 2?
>mph
>;-)
>
>I took of the 'spats' yesterday (it's nicer to do this in the warm
>weather rather than wait until I'm up to my elbows in winter mush).
>Then I climbed out to 6,5000 feet, set full throttle (which gives pretty
>close to 75%
>power) and measured the groundspeed on recipricol tracks. It averages
>out to 183 Kilometers/hour!! That seems a lot faster than 113 mph --
>doesn't it?
>
>Anyways, all this is just joking around to say that I don't advise
>anyone with an HDS wing to worry too much about how much FASTER their
>airplane will fly once they get the wheel pants on. I don't find much
>measureable difference. IT does certainly look nicer though. Now, it's
>back to the 'slower' winter look for a while.
>
>Happy flying,
>Grant
>
>BTW - in case anyone's interested in the full details:
>
>CAM100 engine (Honda 1.5L conversion); PSRU ratio 2.4/1; Warp Drive 3
>blade 70" prop with tapered tips; Prop angle set at 15.5 degrees.
>
>Alt. 6,500 ASL; OAT 13C; full throttle; 5200 rpm; IAS 107 mph; True
>Airspeed calculated from GPS = 113.4 mph.
>
>Spec. fuel consumption according to the manual should be .45
>lbs/BHP/hour.
>i.e. about 5.6 USG/hour, if my calculations are correct. So, on a
>windless day this converts to about 20 miles per usg. Not bad. I also
>know that I get about 105 mph at 5,000 rpm for about 4.9 usg/hour and
>that's about 21.4 miles/gallon... I suspect that maximum range is found
>at about 4800 rpm which still gives over 100 mph -- don't have exact
>readings yet.
>
>Meanwhile, at the other end of the performance envelope, I can get
>airborne in 650 feet, and climb out at about 800 fpm at a TOW of 1200 to
>1300 lbs.
>
>All around it seems a nice compromise.
>
>--
>Grant Corriveau
>C-GHTF / HDS / CAM100
>
>
>
>
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