Today's Message Index:
----------------------
1. 04:25 AM - Re: Santa Comes to 18KS (william sullivan)
2. 05:44 AM - Rick Girard's machining work (Thom Riddle)
3. 07:54 AM - Re: Rick Girard's machining work (Richard Neilsen)
4. 08:18 AM - Re: Rick Girard's machining work (Thom Riddle)
5. 09:26 AM - Re: Re: Rick Girard's machining work (Richard Neilsen)
6. 10:22 AM - Re: Rick Girard's machining work (Thom Riddle)
7. 11:01 AM - Re: winter skis ! (209GS)
8. 11:09 AM - New Kolb Builder (209GS)
9. 11:10 AM - Re: Re: Rick Girard's machining work (Richard Neilsen)
10. 11:21 AM - Re: Santa Comes to 18KS (Richard Girard)
11. 11:27 AM - Re: Rick Girard's machining work (Thom Riddle)
12. 11:58 AM - snow skis !! (ces308)
13. 12:03 PM - Re: Santa Comes to 18KS (John Hauck)
14. 12:23 PM - Re: snow skis !! (william sullivan)
15. 01:22 PM - airspeed indicator pitot placement (Mike Welch)
16. 01:39 PM - Re: airspeed indicator pitot placement (John Hauck)
17. 01:49 PM - Re: Santa Comes to 18KS (Richard Girard)
18. 01:53 PM - Re: New Kolb Builder (Dennis Thate)
19. 02:01 PM - Re: airspeed indicator pitot placement (Mike Welch)
20. 02:02 PM - Re: snow skis !! (ces308)
21. 02:04 PM - Re: Santa Comes to 18KS (John Hauck)
22. 02:08 PM - Re: Re: snow skis !! (william sullivan)
23. 02:43 PM - Re: airspeed indicator pitot placement (John Hauck)
24. 03:51 PM - Re: airspeed indicator pitot placement (Mike Welch)
25. 04:41 PM - Re: battery rejuvenator forum... (Rick Lewis)
26. 04:44 PM - Re: Santa Comes to 18KS (kholle)
27. 04:56 PM - Re: battery rejuvenator forum... (Herb)
28. 05:34 PM - Re: Re: Santa Comes to 18KS (robert bean)
29. 05:34 PM - Re: battery rejuvenator forum... (Rick Lewis)
30. 09:44 PM - Re: airspeed indicator pitot placement (The Kuffels)
Message 1
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| Subject: | Re: Santa Comes to 18KS |
- Rick- What is the story behind this?- I seem to have missed something
.- nice looking plane.- What engine?
-
-------------------------
----------------- Bill Sullivan
-------------------------
----------------- Windsor Locks, Ct.
-------------------------
----------------- FS 447
-------------------------
----------------- 25 degrees, calm, with
a dusting of snow.
do not archive
--- On Sat, 12/11/10, Richard Girard <aslsa.rng@gmail.com> wrote:
From: Richard Girard <aslsa.rng@gmail.com>
Subject: Kolb-List: Santa Comes to 18KS
Here's a sight that brought good cheer, even if "Santa" wasn't bringing the
gift to me. Ken Holley's Mark IIIX was delivered by Bryan and his wife, He
len, this morning.-
Rick Girard
--
Zulu Delta
Kolb Mk IIIC
582 Gray head
4.00 C gearbox
3 blade WD
Thanks, Homer GBYM
It is not bigotry to be certain we are right; but it is bigotry to be unabl
e to imagine how we might possibly have gone wrong.
---G.K. Chesterton
Message 2
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| Subject: | Rick Girard's machining work |
Fellow Kolbers,
Not long ago, we discussed the thrust line issues I have with the Jabiru engine
on my Slingshot. Rick Girard, volunteered to machine the beveled shims to adjust
my Jabiru engine thrustline to match what Ted Cowan has found to be a very
good angle for the Slingshot, i.e., 7/8" higher at the rear than the front. Unlike
the Rotax engine mount, which allows thrust line adjustment by simply inserting
washers under the ord mount, the Jabiru requires beveled shims because
the lord mounts are located elsewhere.
I want to hereby publicly thank Rick for his excellent work and generosity.
I've attached a couple of photos of what my engine mount looks like before the
beveled shims, plus a few photos of the Ricks' handy work. I won't get a chance
to install them for some time because I'm busy doing repair work on a friend's
broken Sonex. Once I get them installed, I'll post a couple photos.
Thanks again, Rick.
--------
Thom Riddle
Buffalo, NY (9G0)
Kolb Slingshot SS-021
Jabiru 2200A #1574
Tennessee Prop 64x32
Everyone is entitled to his own opinion, but not his own facts.
Daniel Patrick Moynihan
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=322920#322920
Attachments:
http://forums.matronics.com//files/jabshims_4_smaller_994.jpg
http://forums.matronics.com//files/jabshims_3_smaller_167.jpg
http://forums.matronics.com//files/jabshims_2_smaller_163.jpg
http://forums.matronics.com//files/jabshims_1_smaller_124.jpg
http://forums.matronics.com//files/chris_ambroses_engine_mount_858.jpg
http://forums.matronics.com//files/jabiru_engine_rt_rear_cropped_180.jpg
Message 3
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| Subject: | Re: Rick Girard's machining work |
Thom and all you Jabiru drivers
Looking at the Jabiru mount that was attached I couldn't help but notice th
e
similarity between the Jabiru mount and the VW mount. My first VW mount use
d
a adapter cradle very much like the adapter shown. It makes me wonder if th
e
VW mount that Kolb welds up for the VW engines wouldn't be better for the
Jabiru. Rather that play with thrust angle wouldn't it be better to mount
the engine lower in a VW mount. There would likely be changes to the adapte
r
plates but you could eliminate the adapter cradle and maybe lower the engin
e
enough to mostly eliminate thrust pitch changes. I also saved about 5 lbs.
It might not work but shouldn't someone look at it? Also the VW Mount too
wide for anything other than a MKIII C or X.
Rick Neilsen
1st Redrive VW Powered MKIIIC
On Sat, Dec 11, 2010 at 8:42 AM, Thom Riddle <riddletr@gmail.com> wrote:
>
> Fellow Kolbers,
>
> Not long ago, we discussed the thrust line issues I have with the Jabiru
> engine on my Slingshot. Rick Girard, volunteered to machine the beveled
> shims to adjust my Jabiru engine thrustline to match what Ted Cowan has
> found to be a very good angle for the Slingshot, i.e., 7/8" higher at the
> rear than the front. Unlike the Rotax engine mount, which allows thrust l
ine
> adjustment by simply inserting washers under the ord mount, the Jabiru
> requires beveled shims because the lord mounts are located elsewhere.
>
> I want to hereby publicly thank Rick for his excellent work and generosit
y.
>
> I've attached a couple of photos of what my engine mount looks like befor
e
> the beveled shims, plus a few photos of the Ricks' handy work. I won't ge
t a
> chance to install them for some time because I'm busy doing repair work o
n a
> friend's broken Sonex. Once I get them installed, I'll post a couple phot
os.
>
> Thanks again, Rick.
>
> --------
> Thom Riddle
> Buffalo, NY (9G0)
> Kolb Slingshot SS-021
> Jabiru 2200A #1574
> Tennessee Prop 64x32
>
>
> =93Everyone is entitled to his own opinion, but not his own facts.=94
> Daniel Patrick Moynihan
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=322920#322920
>
>
> Attachments:
>
> http://forums.matronics.com//files/jabshims_4_smaller_994.jpg
> http://forums.matronics.com//files/jabshims_3_smaller_167.jpg
> http://forums.matronics.com//files/jabshims_2_smaller_163.jpg
> http://forums.matronics.com//files/jabshims_1_smaller_124.jpg
> http://forums.matronics.com//files/chris_ambroses_engine_mount_858.jpg
> http://forums.matronics.com//files/jabiru_engine_rt_rear_cropped_180.jpg
>
>
===========
===========
===========
===========
>
>
Message 4
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| Subject: | Re: Rick Girard's machining work |
Rick,
Mounting the Jabiru engine lower would be great but no-can-do because of the deep
oil sump. See attached photo of how close the bottom of the sump is to the
Kolb mount.
--------
Thom Riddle
Buffalo, NY (9G0)
Kolb Slingshot SS-021
Jabiru 2200A #1574
Tennessee Prop 64x32
Everyone is entitled to his own opinion, but not his own facts.
Daniel Patrick Moynihan
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=322935#322935
Attachments:
http://forums.matronics.com//files/jab_ss_mtr_mount_oil_sump_smaller_149.jpg
Message 5
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| Subject: | Re: Rick Girard's machining work |
Thom
Yes I know that. The VW engine has a similar sump. That is why I designed
the VW mount. Check out my attachment. I don't have the version of the phot
o
down here in Florida with me that has all the dimensions but this will give
you a better idea of what I did. Note! Kolb reworked my design a bit but th
e
dimensions are about the same.
Rick Neilsen
Redrive VW Powered MKIIIC
On Sat, Dec 11, 2010 at 11:16 AM, Thom Riddle <riddletr@gmail.com> wrote:
>
> Rick,
>
> Mounting the Jabiru engine lower would be great but no-can-do because of
> the deep oil sump. See attached photo of how close the bottom of the sump
is
> to the Kolb mount.
>
> --------
> Thom Riddle
> Buffalo, NY (9G0)
> Kolb Slingshot SS-021
> Jabiru 2200A #1574
> Tennessee Prop 64x32
>
>
> =93Everyone is entitled to his own opinion, but not his own facts.=94
> Daniel Patrick Moynihan
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=322935#322935
>
>
> Attachments:
>
>
> http://forums.matronics.com//files/jab_ss_mtr_mount_oil_sump_smaller_149.
jpg
>
>
===========
===========
===========
===========
>
>
Message 6
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| Subject: | Re: Rick Girard's machining work |
Rick,
I'm not sure I fully understand your marked up photo. To get the engine lower,
does this mount move the engine more aft than the standard location? If it does,
that would be problem on the Slignshot which has a really heavy tail as it
is. In three point stance with no fuel there is roughly 115 lbs on the tailwheel,
which is why mine has a really beefed up leaf spring... the original one broke
(before I owned it).
IF the VW mount somehow manages to lower the engine without moving it aft, that
would be very good indeed. The only way I see of doing that is to replace the
stock Kolb mounting tube, at least the aft end, with something like what your
photo shows. Perhaps that is what they did.
My Slingshot originally had a 3 cylinder 2-stroke Hirth (I believe) but it was
later changed to the Jabiru by the builder. It would take more structural modification
than I am willing to do to lower the engine without moving it aft, but
this would definitely be much better if the factory did this mod from the get-go
for new Slingshot kits.
--------
Thom Riddle
Buffalo, NY (9G0)
Kolb Slingshot SS-021
Jabiru 2200A #1574
Tennessee Prop 64x32
Everyone is entitled to his own opinion, but not his own facts.
Daniel Patrick Moynihan
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=322948#322948
Attachments:
http://forums.matronics.com//files/tailwheel_smaller_118.jpg
Message 7
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| Subject: | Re: winter skis ! |
Chris,
Your vid made me homesick! I lived in Harrison just south of you before my company
moved me to Richmond Va 8 yrs ago. I had a Buckeye paraplane back then. I'm
just finishing my Firestar and I'm hoping to be flying this spring. I still
kept 5 acres on my lake up there to retire on. Maybe we can meet up when we go
back to visit this summer?
Gerry Uebbing
FirestarII 503 B box
N-209GS
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=322950#322950
Message 8
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| Subject: | New Kolb Builder |
Guys,
Just wanted to introduce myself to the group. I'm finishing up on a FirestarII
and hopefully will be flying this spring. I really enjoy the site and appreciate
all the info you all contribute.
Gerard Uebbing
FirestarII 503 b-box
N-209GS
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=322951#322951
Message 9
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| Subject: | Re: Rick Girard's machining work |
The VW mount doesn't move the engine fore of aft, it only moves it down. Ne
w
Kolb used what worked on my mount. Yes we both cut the Kolb mount tube shor
t
on the aft end. Again I'm told that the Kolb VW mount is a bit wide for the
Slingshot and Kolbra but maybe it just the engine that is too wide. New Kol
b
sells the VW mount as a option on new planes and as a weld on for an
existing MKIII. Yes this is not for the faint of heart. I have been the tes
t
pilot for the last few hundred hours.
Question. The engine lord mounts look similar to the standard Lycoming
engine mounting bushings that we use for the VW mount. I have been looking
for softer bushings. What does the Jabiru use? Is it fairly soft? I went to
their web site but they don't list them, any idea where I might get a set.
Rick Neilsen
Redrive VW Powered MKIIIC
On Sat, Dec 11, 2010 at 1:19 PM, Thom Riddle <riddletr@gmail.com> wrote:
>
> Rick,
> I'm not sure I fully understand your marked up photo. To get the engine
> lower, does this mount move the engine more aft than the standard locatio
n?
> If it does, that would be problem on the Slignshot which has a really hea
vy
> tail as it is. In three point stance with no fuel there is roughly 115 lb
s
> on the tailwheel, which is why mine has a really beefed up leaf spring...
> the original one broke (before I owned it).
>
> IF the VW mount somehow manages to lower the engine without moving it aft
,
> that would be very good indeed. The only way I see of doing that is to
> replace the stock Kolb mounting tube, at least the aft end, with somethin
g
> like what your photo shows. Perhaps that is what they did.
>
> My Slingshot originally had a 3 cylinder 2-stroke Hirth (I believe) but i
t
> was later changed to the Jabiru by the builder. It would take more
> structural modification than I am willing to do to lower the engine witho
ut
> moving it aft, but this would definitely be much better if the factory di
d
> this mod from the get-go for new Slingshot kits.
>
> --------
> Thom Riddle
> Buffalo, NY (9G0)
> Kolb Slingshot SS-021
> Jabiru 2200A #1574
> Tennessee Prop 64x32
>
>
> =93Everyone is entitled to his own opinion, but not his own facts.=94
> Daniel Patrick Moynihan
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=322948#322948
>
>
> Attachments:
>
> http://forums.matronics.com//files/tailwheel_smaller_118.jpg
>
>
===========
===========
===========
===========
>
>
Message 10
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| Subject: | Re: Santa Comes to 18KS |
Bill, Ken bought the Mark IIIX through an ad in Barnstormers a few months
back, then came the issue of how to get it to Kansas. After much discussion
Ken decided to have Bryan deliver it. It has a 582.
Rick
On Sat, Dec 11, 2010 at 6:23 AM, william sullivan
<williamtsullivan@att.net>wrote:
> Rick- What is the story behind this? I seem to have missed something.
> nice looking plane. What engine?
>
> Bill Sullivan
> Windsor Locks, Ct.
> FS 447
> 25 degrees, calm, with a dusting
> of snow.
> do not archive
>
> --- On *Sat, 12/11/10, Richard Girard <aslsa.rng@gmail.com>* wrote:
>
>
> From: Richard Girard <aslsa.rng@gmail.com>
> Subject: Kolb-List: Santa Comes to 18KS
> To: kolb-list@matronics.com
> Date: Saturday, December 11, 2010, 12:23 AM
>
>
> Here's a sight that brought good cheer, even if "Santa" wasn't bringing the
> gift to me. Ken Holley's Mark IIIX was delivered by Bryan and his wife,
> Helen, this morning.
>
> Rick Girard
>
> --
> Zulu Delta
> Kolb Mk IIIC
> 582 Gray head
> 4.00 C gearbox
> 3 blade WD
> Thanks, Homer GBYM
>
> It is not bigotry to be certain we are right; but it is bigotry to be
> unable to imagine how we might possibly have gone wrong.
> - G.K. Chesterton
>
>
> *
>
>
--
Zulu Delta
Kolb Mk IIIC
582 Gray head
4.00 C gearbox
3 blade WD
Thanks, Homer GBYM
It is not bigotry to be certain we are right; but it is bigotry to be unable
to imagine how we might possibly have gone wrong.
- G.K. Chesterton
Message 11
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| Subject: | Re: Rick Girard's machining work |
Rick,
I do not know what the part number for my lord mounts are because I did not build
the airplane nor install this engine. However, I can tell you that these mounts
are not in the least bit soft. There is virtually no visible movement of
the engine when the throttle is advanced all the way to static maximum.
So, you should probably ask someone else. Perhaps Aircraft Spruce could help you
find the softer ones.
--------
Thom Riddle
Buffalo, NY (9G0)
Kolb Slingshot SS-021
Jabiru 2200A #1574
Tennessee Prop 64x32
Everyone is entitled to his own opinion, but not his own facts.
Daniel Patrick Moynihan
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=322955#322955
Message 12
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Hi all !
Well they're done ! I taxi tested yesterday and flew her today and they work great
! Can't wait for the the lake to get hard enough to start landing on ! Here
is the YouTube link to watch it ! I will have another view will be up later.
http://www.youtube.com/watch?v=tM4Vj3GdCew
chris ambrose
M3X/Jabiru A-2200
N327CS 170.00hrs
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=322958#322958
Message 13
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| Subject: | Re: Santa Comes to 18KS |
Here's a sight that brought good cheer, even if "Santa" wasn't bringing the
gift to me. Ken Holley's Mark IIIX was delivered by Bryan and his wife,
Helen, this morning.
Rick Girard
Rick G/Folks:
Is this an new aircraft built by Bryan?
Nice looking bird, and a very nice Xmas present.
john h
mkIII
hauck's holler, alabama
Message 14
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| Subject: | Re: snow skis !! |
- Chris- Seems to work pretty well.- How do you move it around on the b
are spots?- Dollys for the landing gear, or just drag it?-
-
-------------------------
----------------------- Bill
Sullivan
P.S.- Did you grab for the brakes?
--- On Sat, 12/11/10, ces308 <ces308@ldaco.com> wrote:
From: ces308 <ces308@ldaco.com>
Subject: Kolb-List: snow skis !!
Hi all !
Well they're done ! I taxi tested yesterday and flew her today- and they
work great ! Can't wait for the the lake to get hard enough to start landin
g on ! Here is the YouTube- link to watch it ! I will have another view w
ill be up later.
http://www.youtube.com/watch?v=tM4Vj3GdCew
chris ambrose
M3X/Jabiru A-2200
N327CS- - - ---170.00hrs
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=322958#322958
le, List Admin.
Message 15
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| Subject: | airspeed indicator pitot placement |
Kolb guys=2C and specifaically Xtra drivers=2C
I'm getting close to drilling the underside of my nosecone (like...in a f
ew minuntes)=2C
and I was wondering if anyone has an opinion about the best place to mount
the front of the pitot
tube. I have the following pitot (from Dynon--unheated)=3B
http://www.aircraftspruce.com/catalog/inpages/heatedAOApilot.php
The "L" shape of this pitot places the intake hole 1 1/2" (3.8cm) down f
rom the mounting surface.
Can't change that. My question is=3B considering the wedge shape of the X
tra nosecone....
how far ahead of the front edge would you think would be good enough. One
inch? Two?
I appreciate all input=2C but please realize the uniqueness of the Xtra n
osecone=2C compared to
other Kolb aircraft. In other words....just becasue your's may work well o
n a Firestar=2C etc=2C etc=2C
I don't want to assume it'll work that same way on an Xtra.
Thanks=2C Mike Welch
Message 16
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| Subject: | Re: airspeed indicator pitot placement |
http://www.aircraftspruce.com/catalog/inpages/heatedAOApilot.php
Thanks, Mike Welch
*************************
Mike W/Gang:
Most of us use 5/16" 6061 tubing. Bend it the way we want it, and go fly.
I found a new Kollsman Pitot/Static system for a WWII Stearman Biplane,
still in cosmoline and wrapped in the original oil paper, for $12.00 from
Wag Aero. Mounted it on the right wing lift strut. Works like a charm.
Pitot tube will work in most places you can dream up to mount it.
-Popular is on the apex of the nose cone.
-Wing lift strut works for me.
-Leading edge of a wing.
-Bottom of nose cone.
Sure you want to spend that much money for a pitot tube? ;-)
john h
mkIII
hauck's holler, alabama
Message 17
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| Subject: | Re: Santa Comes to 18KS |
No, Bryan only delivered it. It started life as a IIIC, crashed, and a IIIX
cage was substituted during the rebuild.
Rick
On Sat, Dec 11, 2010 at 2:01 PM, John Hauck <jhauck@elmore.rr.com> wrote:
>
>
> Here's a sight that brought good cheer, even if "Santa" wasn't bringing
> the
> gift to me. Ken Holley's Mark IIIX was delivered by Bryan and his wife,
> Helen, this morning.
>
> Rick Girard
>
>
> Rick G/Folks:
>
> Is this an new aircraft built by Bryan?
>
> Nice looking bird, and a very nice Xmas present.
>
> john h
> mkIII
> hauck's holler, alabama
>
>
--
Zulu Delta
Kolb Mk IIIC
582 Gray head
4.00 C gearbox
3 blade WD
Thanks, Homer GBYM
It is not bigotry to be certain we are right; but it is bigotry to be unable
to imagine how we might possibly have gone wrong.
- G.K. Chesterton
Message 18
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| Subject: | Re: New Kolb Builder |
Welcome to the forum, It's a wealth of good information.
--------
Beware of false knowledge; it is more dangerous than ignorance. George Bernard
Shaw
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=322977#322977
Message 19
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| Subject: | airspeed indicator pitot placement |
Hi John=2C
Thanks for the reply. Re: the cost=2C I already spent it years ago=2C ba
ck when I
used to make boat-loads of money. It came with the Dynon D10A EFIS I have.
(I bought 5=2C since they were such a good deal...I have two remaining=2C u
sing one on
the Kolb)
My concern is.....if you place it in "disturbed" air (like that bouncing
off the leading
edge of the nosecone)=2C the you're going to get an inaccurate reading. I
realize just
about any ol' place on the airplane would work okay=2C I was just wondering
if anybody
has found out what it takes to get 'out ahead' of that split airstream hitt
ing the leading
edge of the Xtra nosecone.
I went out in my shop and held the pitot 'roughly' in position. It looks
to me like
1" ahead could be okay. (It's ALWAYS at least 1 1/2" down). The problem w
ith it
sticking out in front of the nosecone is it will be a great knee catcher!!
My thinking is 1" in front of the leading edge would be fine=2C 1 1/2" wo
uld be more
than I need. The final ram air point would end up at ...1" ahead & 1 1/2"
down from
the leading edge.
My apprehension is I don't want to start cutting holes in the nosecone=2C
only find out
I should have done it differently.
Mike Welch
Message 20
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| Subject: | Re: snow skis !! |
Thank you bill !
for right now I put a set of snowmobile dollies under the center of the skis...I'm
going to make a set of wheeled jacks that will slide in the the brackets on
the skis then lifts them up to move around.I will post a picture of what I'm
going to make....
chris ambrose
M3X/jab
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Message 21
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| Subject: | Re: Santa Comes to 18KS |
Thanks for the info, Rick.
I asked before I read your reply to Bill S.
john h
mkIII
Titus, Alabama
**************************
No, Bryan only delivered it. It started life as a IIIC, crashed, and a IIIX
cage was substituted during the rebuild.
Rick
Message 22
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| Subject: | Re: snow skis !! |
- That is a nice arrangement.- No effort, just step on it and slide in
the pin.
--- On Sat, 12/11/10, ces308 <ces308@ldaco.com> wrote:
From: ces308 <ces308@ldaco.com>
Subject: Kolb-List: Re: snow skis !!
Thank you bill !
for right now I put a set of snowmobile dollies under the center of the ski
s...I'm going to make a set of wheeled jacks that will slide in the the bra
ckets on the skis then lifts them up to move around.I will post a picture o
f what I'm going to make....
chris ambrose
M3X/jab
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=322978#322978
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le, List Admin.
Message 23
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| Subject: | Re: airspeed indicator pitot placement |
Mike/Folks:
Probably the best place for pitot performance is right on the apex of the
forward end of the nose cone, but like you said, it takes a beating from
everyone that passes by, especially little kids that can reach up and hang
on it. When we used 5/16 or 1/4 tubing, we spliced a piece of polyurethane
tubing to allow the pitot tube to bend without breaking.
I have flown with a 2" X 5/16 pitot tube in the nose of the nose cone.
Worked great.
Seems like the nose cone might produce a bow wave off it, but I do not know
for sure.
If I was going with the Dynon System, I would put it on the leading edge of
the wing between the mid point and the outboard end. Out of the way from
spectators and flying in clean air. Check out a DeHavilland Beaver or
Otter. That is where they place their pitot/static system.
john h
mkIII
hauck's holler, alabama
****************************************
My concern is.....if you place it in "disturbed" air (like that bouncing
off the leading
edge of the nosecone), the you're going to get an inaccurate reading. I
realize just
about any ol' place on the airplane would work okay, I was just wondering if
anybody
has found out what it takes to get 'out ahead' of that split airstream
hitting the leading
edge of the Xtra nosecone.
Mike Welch
Message 24
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| Subject: | airspeed indicator pitot placement |
> Probably the best place for pitot performance is right on the apex of the
> forward end of the nose cone
> john h
> mkIII
> hauck's holler=2C alabama
John=2C and others=2C
My favorite preference would be the apex of the nosecone. While I was
waiting for replies=2C I did a 'google' search and came across a guy that w
as
installing the exact same pitot (Dynon) in his Zenith high-wing airplane.
I don't know where he got his pitot installation directions=2C but he men
tions he
was supposed to put his pitot inlet 6" below the wing=2C etc=2C etc. He bu
ilt
an airfoil shaped extension that slid on the notched area of the Dynon pito
t.
He says he ended up with only a 4" extension (in addition to that other 1 1
/2"??).
Maybe he got 5 1/2" overall. (I can't re-find him to verify any of the per
ticulars.....)
I'm thinking I'm going to try to build one of those airfoil shaped extens
ions.
That way I can lower the inlet=2C rather than go too far forward. BTW=2C
the extension
would look like a Kolb plastic wing strut airfoils=2C only smaller=2C and a
lot shorter=2C and
made out of aluminum.
Thanks for letting me bounce all these ideas off ya. Headed out to my sh
op
to see what I can come up with.
Mike Welch
PS. Boy=2C we had a windstorm blow in here a couple of hours ago. COLD=2C
and the wind
is ahowlin'!!! They say maybe snow in a few hours. It if does=2C it'll be
flying sideways at 40!!
Message 25
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| Subject: | Re: : Kolb-List:battery rejuvenator forum... |
I bought two of these a year ago and I have to say, they do absolutely nothing.
I was really disappointed and sorry that I fell for the add. In looking at
the output, using a scope, I saw no pulses at all. I built up both units, thinking
maybe first one was defective but no luck.
Rick
--------
Rick Lewis
(VW Watercooled Engine)
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=322992#322992
Message 26
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| Subject: | Re: Santa Comes to 18KS |
I also want to introduce myself to the group I am Ken Holle and want to thank Rick
Gerard for his services and expertise with my Kolb since I am new to the light
sport world. He is going to help me learn my way around the thing! I have
been watching this site for about a year and have learned alot and hope to
meet more Kolbers in the future!
--------
hollke
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=322993#322993
Message 27
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| Subject: | Re: : Kolb-List:battery rejuvenator forum... |
Rick
Do you have a schematic? We are talking about the kit on
Ebay? My first thought was that it consisted of a 555 timer
chip...some sort of L C. circuit to step up the voltage ? The
circuit board looked very basic...Herb
At 06:39 PM 12/11/2010, you wrote:
>
>I bought two of these a year ago and I have to say, they do
>absolutely nothing. I was really disappointed and sorry that I fell
>for the add. In looking at the output, using a scope, I saw no
>pulses at all. I built up both units, thinking maybe first one was
>defective but no luck.
>
>
>Rick
>
>--------
>Rick Lewis
>
>(VW Watercooled Engine)
>
>
>Read this topic online here:
>
>http://forums.matronics.com/viewtopic.php?p=322992#322992
>
>
Message 28
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| Subject: | Re: Santa Comes to 18KS |
welcome. You're a brave soul to come aboard with a bunch of cranky old geezers.
Some of the advice is worth listening to. :)
BB
MkIII, suzuki
On 11, Dec 2010, at 7:42 PM, kholle wrote:
>
> I also want to introduce myself to the group I am Ken Holle and want to thank
Rick Gerard for his services and expertise with my Kolb since I am new to the
light sport world. He is going to help me learn my way around the thing! I
have been watching this site for about a year and have learned alot and hope to
meet more Kolbers in the future!
>
> --------
> hollke
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=322993#322993
>
>
>
>
>
>
>
>
>
>
Message 29
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| Subject: | Re: : Kolb-List:battery rejuvenator forum... |
I will make myself a note to check on the schematic tomorrow and get back with
you. Surely I still have the information on this somewhere.
Rick
--------
Rick Lewis
(VW Watercooled Engine)
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=322999#322999
Message 30
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| Subject: | Re: airspeed indicator pitot placement |
Mike,
<< place it in "disturbed" air (like that bouncing off the leading edge
of the nosecone), the you're going to get an inaccurate reading. My
apprehension is I don't want to start cutting holes in the nosecone,
only find out I should have done it differently. >>
Standard practice says probes mounted on leading edges should be at
least as far forward as the radius of the mounting surface. Know from
direct experience mounting a dual tube pitot/static probe directly on
the front of the nose of a Mark IIIC which violates this practice
produces massively inaccurate airspeed indications (low). For a Dynon
"L" why not try to emulate a wing mounting and try several inches
*behind* the nose tip. For minimum messing with your cone you could
experiment with soft bent aluminum tube and ShoeGoo to see if 5" or 10"
etc puts the probe in relatively smooth air. I would start with as far
back as reasonable. You want the probe to be below a relatively flat
surface (as in a wing mount) so the air is not accelerating at the probe
tip. The probe and mounting surface don't have to be horizontal, just
relatively parallel to each other.
Tom Kuffel
Whitefish, MT
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