Today's Message Index:
----------------------
1. 04:29 AM - Re: Zenith-List Digest: 19 Msgs - 04/03/04 (alex trent)
2. 09:03 AM - Re: CH-640 Aileron tips. (L. hatfield)
3. 09:41 AM - Battery switch (Bob Miller)
4. 09:42 AM - battery switch--missing link! (Bob Miller)
5. 09:47 AM - hose clamps, constant pressure (Bob Miller)
6. 11:29 AM - Caterpillar switch (ZSMITH3rd@aol.com)
7. 11:47 AM - Venturi's (RiteAngle3@aol.com)
8. 11:59 AM - EFIS 5000 (Dave Pepper)
9. 12:04 PM - Venturi--my error (RiteAngle3@aol.com)
10. 12:38 PM - Venturi's (Andrew SanClemente)
11. 01:30 PM - disconnect switch (ZSMITH3rd@aol.com)
12. 05:51 PM - Re.Edge spacing for bolts and rivets... (roy vickski)
13. 06:27 PM - Re: disconnect switch (Larry Martin)
14. 07:02 PM - Re: 601 XL rear ribs (Joemotis@aol.com)
15. 11:13 PM - Re: CH-640 Aileron tips. (Jeff Paden)
Message 1
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| Subject: | Re: Zenith-List Digest: 19 Msgs - 04/03/04 |
--> Zenith-List message posted by: "alex trent" <atrent7@cogeco.ca>
>
> Martin Bima
> Winnipeg, Canada
> "100 degree summers and 40 below winters"
Reminds me of a poem we had to memorize in school
" In Winnipeg at Christmas there lots and lots of snow"
a former Saskatchewan boy
Message 2
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| Subject: | CH-640 Aileron tips. |
--> Zenith-List message posted by: "L. hatfield" <remax500@msn.com>
Jeff: I made my wing tips up at Midland and the shop forman said that it
is one of the most difficult parts to make as each piece is trimmed to fit
each wing and retain the concave shape. If it would help I could shot a
digital photo and trace out the tips on my wing, it would be a starting
place for you.l
LARY HATFIELD
Speed & Performance in Real Estate
>From: "Jeff Paden" <jeffpaden@madbbs.com>
>Reply-To: zenith-list@matronics.com
>To: <zenith-list@matronics.com>
>Subject: Zenith-List: CH-640 Aileron tips.
>Date: Sat, 3 Apr 2004 20:22:50 -0500 (Eastern Standard Time)
>
>--> Zenith-List message posted by: "Jeff Paden" <jeffpaden@madbbs.com>
>
>Well, my building has been set back a couple of days since I have been
>fighting with the Aileron tips. All the rest of the parts in the kit are
>shipped preformed, however the tips are shipped as just a flat part and I
>have to form it to fit the complex shape of the aileron tip. So far I have
>three scrap tips and I will keep trying until I find a way to make it
>correctly. If anyone reading this has an idea of how to properly do this
>then I would sure like to hear from you! Just email me at jeffpaden@madbbs
>com with any comments or suggestions.
>
>Thank you all for your help
>Jeff Paden
>CH-640 builder 90% complete
>
>
Tax headache? MSN Money provides relief with tax tips, tools, IRS forms and
more! http://moneycentral.msn.com/tax/workshop/welcome.asp
Message 3
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--> Zenith-List message posted by: "Bob Miller" <drmiller@cvillepsychology.net>
Here's a link to an inexpensive ($15) heavy duty battery switch. Anybody see any
drawbacks to using this?
Bob
Message 4
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| Subject: | battery switch--missing link! |
--> Zenith-List message posted by: "Bob Miller" <drmiller@cvillepsychology.net>
OK, here's the missing link https://www.delcity.net/tstore/servlet/pagebuilder?framecatalog_browse&parentid4872&page1
Bob
Message 5
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| Subject: | hose clamps, constant pressure |
--> Zenith-List message posted by: "Bob Miller" <drmiller@cvillepsychology.net>
Here's the link for the hose clamp Jim Pollard mentioned. These look like a worthwhile
safety investment for fuel and oil lines.
https://www.delcity.net/tstore/servlet/pagebuilder?framecatalog_browse&parentid556668&page1
BobMiller
Message 6
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| Subject: | Caterpillar switch |
--> Zenith-List message posted by: ZSMITH3rd@aol.com
Another builder is seeking info on the switch used by Caterpillar on various
of their heavy equipment. Commonly known as the "battery switch" but the
question is: Any builders on the list with access to Cat database for part number
info, price, etc??
Most of the installations I've seen used a switch requiring a "Cat key" to
turn on-off. There is a version that is equiped with a handle very similar to
the handle on a fuel valve (no "key" required) just a quarter turn and it
"clicks" real loud.
Thanks
Zed Smith/701/R912/9X.xxx% do not archive
Message 7
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--> Zenith-List message posted by: RiteAngle3@aol.com
Venturi's
For those expecting modern electronic performance out of a Venturi, forget
it. They depend upon airflow to get the vacuum. When I started flying it was
the norm to have a Venturi, Vacuum pumps were for the big Cessna 180s! During
runup, if you had a gyro horizon it might start getting erected, then during
the takeoff run it would sometimes get up to a useful rotor RPM, but it still
wasn't adjusted correctly! Once at speed, the gyros would work fine, the
serious problem is in the initial takeoff ~ and when slowing down for landing~~you
really don't have much vacuum. The 2" venturi worked excellent for the old
turn and slip indicators, as they seemed to get to operational speed faster. The
venturi was the reason we had to learn the old Needle, Ball & Airspeed ~~What
else was there.
IF you have speed the 4" Venturi's work excellent, however the Zenith series
aren't quite fast enough for good operation "in my opinion" We tried them on
quite a few Champs, Chief's, Luscombes, Funks and other comparable aircraft.
The Piper Colt was about the bottom of the line speed wise for the 4" gyro to
run instruments good enough for instrument training, about 600 hours in them in
63. They later went to a vacuum pump as the Cessna 150 also got modern if I
recall correctly, been a long time ago.
There are several alternatives available, but are expensive, or don't work
all the time with the same problems as the venturi's.
Do you really expect to fly IFR in your bird?? If not WHY carry the weight,
cost and problems of all the non essential stuff. To improve performance add
lightness, not weight! I personally enjoy flying a light aircraft with the
minimum equipment, it keeps your head outside the cockpit where it belongs!
Personally I would pick a safety device over an attitude indicator & directional
gyro on a light sport aircraft type every time, much lighter and beneficial!
Just my two bits worth from over 40 years of flying for a living in aircraft
from Aeronca C-3 to Boeing 767.
Elbie Mendenhall
www.riteangle.com
DO NOT ARCHIVE
Message 8
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--> Zenith-List message posted by: "Dave Pepper" <rockinrimranch@earthlink.net>
PC Flight Systems has a new EFIS 5000 for $1995 that looks like it's very competitive
with Dynon. It has a bigger screen (4" x 6" ) and is only 2" deep to fit
tight panels. The Dynon is 7" deep. Has anyone heard anything about this system?
Thanks...Dave
Message 9
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| Subject: | Venturi--my error |
--> Zenith-List message posted by: RiteAngle3@aol.com
I don't believe I made myself clear in my earlier posting-- IF you have 4"
vacuum with both instruments on line they should work. Insure all lines are open
and clear, filters are new, instruments overhauled or at least checked for
satisfactory operation.
Also some instruments may require more than 4" check all information you can
get on them, talk to an instrument shop that overhauls the instruments you
have. I've flown lots of approaches with 4" vacuum running two gauges.
You might try a 9" venturi, just use a vacuum regulator to get the vacuum you
want.
Elbie
www.riteangle.com
Message 10
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--> Zenith-List message posted by: Andrew SanClemente <ansancle@townisp.com>
Thanks to all for the replies. I think Ill try the 9" venturi and if
it doesn't work - Ill just pull those instruments.
Thanks again for the input
Andrew
Message 11
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| Subject: | disconnect switch |
--> Zenith-List message posted by: ZSMITH3rd@aol.com
Gentlemen: Those desiring a healthy battery disconnect might visit
www.colehersee.com
The Pt.No. 75908 switch is the obvious choice, addition of the "lockout
device" listed on one of their sheets is a good extra.
Lots of PDF downloads available.
Cole Hersee is the source of the previously-mentioned Caterpillar battery
switch. The Cat part number for the Cat version is 7N718 which is listed on
e-bay for about US$40. This is the switch with the "Cat key" (which is NOT the
key shown in Cole Hersee web site).
do not archive
Zed Smith/701/R912/9x.xx%
Message 12
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| Subject: | Re.Edge spacing for bolts and rivets... |
--> Zenith-List message posted by: roy vickski <rvickski@yahoo.com>
Martin,
If you have questions about the the design, why risk
your life? Maybee you could clamp the suspected piece
in a vice and start hanging weight on it just to see
what happens, then divide the weight that it took to
break the piece or shear the bolt into your suspected
gross weight divided by two multiplied by six then
divided by four, then if the weight was one point five
times the results of your calculation, wah-lah, you
are now safe and proved it,.
Wait till you get to the lower motor mount , the same
concern may surface, by the way are you going electric
start or hand prop with the corvair, I decided hand
prop with mine,
Roy
701sp corvair efi
Still welding on fuel tanks , fuse on gear, tail
feathers, weldments besides motor mount complete, wing
ribs and spars good to go.
do not archive
__________________________________
http://promotions.yahoo.com/design_giveaway/
Message 13
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| Subject: | Re: disconnect switch |
--> Zenith-List message posted by: "Larry Martin" <earthloc@att.net>
NAPA or any good autoparts has the same switch. It's been a couple of years
since I bought one but, I think it was about $35 at NAPA.
----- Original Message -----
From: <ZSMITH3rd@aol.com>
Subject: Zenith-List: disconnect switch
> --> Zenith-List message posted by: ZSMITH3rd@aol.com
>
> Gentlemen: Those desiring a healthy battery disconnect might visit
> www.colehersee.com
> The Pt.No. 75908 switch is the obvious choice, addition of the "lockout
> device" listed on one of their sheets is a good extra.
> Lots of PDF downloads available.
> Cole Hersee is the source of the previously-mentioned Caterpillar battery
> switch. The Cat part number for the Cat version is 7N718 which is listed
on
> e-bay for about US$40. This is the switch with the "Cat key" (which is
NOT the
> key shown in Cole Hersee web site).
> do not archive
> Zed Smith/701/R912/9x.xx%
>
>
---
Message 14
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| Subject: | Re: Zenith-List:601 XL rear ribs |
--> Zenith-List message posted by: Joemotis@aol.com
Greetings listers,
The Huntington Beach Airplane Company is back from vacation. This vacation
included a side trip to Clovis CA. and a visit with Jack Russell and his 601 XL
and what an enjoyable visit it was. It was the first one that I had seen in
person, and it was a beautiful example.
Todays question; On the rear ribs on the 601 XL wings, the photo guide gives
us one (1!!!)
picture and says cleco them to the centerline. O.K. with that but there is a
bit of up or down "adjustment" on the rib to the spar. So which way do we go?
All up, all down, or split the difference? Or does it really matter as long as
whatever we do, we do it all the same?
Thanks to all
Joe Motis
601 XL
Working on wings
Do not archive
Message 15
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| Subject: | CH-640 Aileron tips. |
--> Zenith-List message posted by: "Jeff Paden" <jeffpaden@madbbs.com>
Thank you for your offer. I did complete my ailerons after six attempts to
make the tips.
I have not started the wing tips yet, but I am sure that I will make it
through it the same way.
Thank you all for the emails you sent me. They were all GREAT help!
Jeff Paden
Jeff: I made my wing tips up at Midland and the shop forman said that it
is one of the most difficult parts to make as each piece is trimmed to fit
each wing and retain the concave shape. If it would help I could shot a
digital photo and trace out the tips on my wing, it would be a starting
place for you.l
LARY HATFIELD
Speed & Performance in Real Estate
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