Today's Message Index:
----------------------
1. 11:47 AM - Parts (Afterfxllc@aol.com)
2. 01:52 PM - Cracked Canopy (Steve Freeman)
3. 05:56 PM - Re: Cracked Canopy (Ron Lendon)
4. 08:17 PM - Re: Cracked Canopy (Gary Ray)
Message 1
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I have some parts I want to get rid of for the corvair
1 set of ready to bolt on heads that have already been reworked with the
intake logs welded on I want 700.00 for them
I have 3 prop hubs for rear starter setups 100.00 each
2 10/10 crank shafts nitrided and ready to install 250.00 each
3 safety shafts 30.00 each
2 old style oil pans WW 100.00 each
1 MA3-SPA carb core 400.00 part # 10-4115
1 MA3-A carb rebuilt by Russ 650.00
Message 2
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Hi Guys,
We have all heard this story before.While installing the rear canopy on my
650 I got about a 3" crack. I stop drilled it and I am trying to decide if
I can live with this or not. Roughly $650 to get a new canopy seems like a
lot of money and I might wind up with the same thing again. Honestly, I am
not sure how this happened. I was being super careful and I was not
drilling in a location where there seemed to be any pressure. Well.it
happened.It sucks but I have to move on.
Can any of you guys make recommendations for the best practice to repair the
crack? I know it will never be perfect but I have heard some people have
had a lot of luck. There are no spider web cracks. Just the one, it is
clean and like I said I stop drilled it at the end. I have found a couple
of products on AC Spruce, in particular INSTA-WELD but it says to clamp the
parts together.this is not possible. Also, if I use some type of adhesive
that will wick in to the crack, do I then use some type of epoxy to fill the
stop drill hole?
Any help is always appreciated.
I hope everyone is having a great Christmas!
Steve
0235 Mounted will start wiring soon.
Moving along with fuselage..
Message 3
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| Subject: | Re: Cracked Canopy |
Hey Steve,
Bryan Martin had that happen to his also and he used methyl Ethel, something or
other, to repair the crack after stop drilling.
He monitors this list, perhaps he will reply. Otherwise, just look up his posts
and you just might find how he did it.
--------
Ron Lendon, Detroit, MI
WW Corvair with Roy's Garage 5th bearing
Zodiac XL, ScrapBuilder ;-)
http://www.mykitlog.com/rlendon
Corvair Engine Prints:
http://www.zenith.aero/profile/RonLendon
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=361654#361654
Message 4
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| Subject: | Re: Cracked Canopy |
This might be a good thread to pursue as it seems to happen too often.
I would like to hear from others that cracked a canopy. Details of
drill type and size, temperature at time of drilling, and hole-to-edge
distance.
Also, from those that did not have this problem..
I used a step drill, warmed the canopy over a warm air register, let the
bit generate a little heat from friction as it cut, kept the drill
perpendicular to the surface,
and did not accept the 7 mm edge distance that would have occurred on a
few of my holes if I stuck entirely with the plans.
My closest edge distance is 27 mm after a small modification. Five
years plus without any cracks.
Gary Ray
Zenith 601XL-B, William Wynne Corvair 0.060 over, Roy's 5th bearing,
Mark's Falcon Heads, Marvel Schebler MA3-SPA Carburetor, 175 Hrs TT
From: Steve Freeman
Sent: Sunday, December 25, 2011 4:49 PM
Subject: Zenith-List: Cracked Canopy
Hi Guys,
We have all heard this story beforeWhile installing the rear
canopy on my 650 I got about a 3=9D crack. I stop drilled it and
I am trying to decide if I can live with this or not. Roughly $650 to
get a new canopy seems like a lot of money and I might wind up with the
same thing again. Honestly, I am not sure how this happened. I was
being super careful and I was not drilling in a location where there
seemed to be any pressure. Wellit happenedIt sucks
but I have to move on.
Can any of you guys make recommendations for the best practice to repair
the crack? I know it will never be perfect but I have heard some people
have had a lot of luck. There are no spider web cracks. Just the one,
it is clean and like I said I stop drilled it at the end. I have found
a couple of products on AC Spruce, in particular INSTA-WELD but it says
to clamp the parts togetherthis is not possible. Also, if I
use some type of adhesive that will wick in to the crack, do I then use
some type of epoxy to fill the stop drill hole?
Any help is always appreciated
I hope everyone is having a great Christmas!
Steve
0235 Mounted will start wiring soon.
Moving along with fuselage..
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