Today's Message Index:
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1. 03:01 AM - Re: float installation ()
2. 11:16 AM - Re: Vacuum forming leading edge skin (ablebob)
3. 04:43 PM - Re: Vacuum forming leading edge skin (leinad)
4. 05:36 PM - Brake Lines - Zodiac XL, CH 701 and CH 801 (ThisOne)
5. 10:30 PM - Re: Vacuum forming leading edge skin (TxDave)
Message 1
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| Subject: | Re: float installation |
>Subject: Zenith-List: float installation
>
>I have a set of 1150-3 amphibious floats on order to
>install on my CH-701 which will be ready at the end of the
>month..I want to use my front nose wheel to fold back in
>under the front as in a typical earlier installation for the
>CH-701..I need a drawing of the foldback mechanism for the nose
>wheel extension..also the measurements for the front 4130 tubing
>frame which mounts the front of the frame to the aircraft..
>I requested the info from Mark at CanZac but have not received
>a reply to date..They are building the floats.. I have the 4130
>tubing in stock to make the frame and extension.
>any help would be appreciated...
>Alvin Rose
Alvin
My quick build kit from the CZAW factory came with 1150-3 amphibious
floats installed, which I however immediately removed from the fuse
and stored because the 701 I am building must be test flown on wheels
first. A photo manual and instruction book came with the floats but
no actual drawings. However, if it is enough for you I can take pics
of them and you can then indicate what dimensions and distances you
want to have measured - if you really want to scratchbuild.
Basically you need a shorter landing gear spring, the welded triangle
front frame and the nosewheel folding mechanism together with an
extended gear tube. Additionally it might be advantageous to offload
the firewall somewhat using a steel profile from the float attachment
brackets to the engine mount upper fuselage fastening points.
This reinforcement is however easy also to retrofit later.
The wheel folding hinge mechanism by CZAW is not particularly well
designed, a friend's 701 lost the nose wheel in swells as the slight
sideload broke the edge welding and the lower part was lost at sea.
Fortunately he noticed that the front tyre was missing before
attemting a runway landing...
Best regards
Max
building a 701SP-912S on a-floats in Helsinki,
- engine installed, presently doing wiring
Message 2
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| Subject: | Re: Vacuum forming leading edge skin |
That's got to be the neatest trick I've seen in years!
Thanks
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=188492#188492
Message 3
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| Subject: | Re: Vacuum forming leading edge skin |
Dave,
I'm really glad you posted the photos. I was also hoping to use PVC pipe, but
wasn't sure it would be stiff enough. I have a couple small questions though.
When you bent your nose skin, did you make the nose skin wide and center the
pipe and trim afterward? Or, did you use the 407mm top and 411mm bottom to
locate the pipe? Also, what size pipe is that? It looks bigger than the 1-3/8
called for in the drawings.
Thanks again.
Dan Dempsey
601 XL/Corvair plans builder
TxDave wrote:
> Howdy folks,
>
> If you're looking for an easy way to form those leading edge skins, the vacuum
bag method is the way to go. It way surprisingly easy and produced a perfect
bend.
>
> E-mail me if you want details and a link to a video of the process.
>
> Dave Clay
--------
Scratch building XL with Corvair Engine
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=188530#188530
Message 4
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| Subject: | Brake Lines - Zodiac XL, CH 701 and CH 801 |
I build brake lines.
Any builder (with any luck one near by) who is in need of Teflon core stainless
steel braided brake lines please contact me.
I would (ideally) would like to find a builder near that I can "mock up", but regardless
the builder who is willing to work with me (that is the builder of each
model Zodiac XL, CH 701 and CH 801) will only pay the shipping costs for the
brake lines as we are developing them for each build. When done the lines will
be yours.
Your current brake configuration should be stock (plans built).
I hope to hear from some builders soon, but if not well the best of all to you
and good luck with your builds.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=188539#188539
Message 5
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| Subject: | Re: Vacuum forming leading edge skin |
Hi Dan,
The nose skin in the photos was for a Sonex. That's why the pipe looked larger.
It was 1.5" schedule 40 PVC. I made clamps out of scrap .040 which I screwed
to my table to hold the pipe down. Stiffness was not an issue. You should make
the top and bottom dimensions the same so you can pull the skin edges together.
Trim after bending.
This really was surprisingly easy. Check out the videos here for more details:
http://sonexproject.com/Builder%20Resources.html
Many aspects of building the Sonex and a Zenith design are the same. I've learned
a lot from both camps.
Dave Clay
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=188565#188565
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