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myemailis(at)centurytel.n
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 Posted: Sun Oct 21, 2012 11:41 am Post subject: Proping a Corvair? |
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How hard would it be to prop a Corvair engine on a CH 701?
I have done it without too much trouble on a C-182.
Anyone with experience proping a Corvair, please reply
Thanks!
John
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Ron Lendon
Joined: 10 Jan 2006
Posts: 685
Location: Clinton Twp., MI
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| Posted: Sun Oct 21, 2012 4:45 pm Post subject: Re: Proping a Corvair? |
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The compression might be to high. This morning, while pre-flighting, I gave it a good hard push and it didn't pass the compression stroke.
I have a fairly standard WW 2700cc over-bored .060". The volume compression calcs out to 8.48:1. I am using the 66" Warpdrive prop and it has no weight, that might be part of it not passing the compression stroke, no momentum. Having a light prop is really desired on a direct drive auto conversion. The starter and ring gear really doesn't weight that much, and you can start it in the air if required.
When the engine stops, I don't think you could dive and have the wind restart it either.
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_________________
Ron Lendon
WW Corvair with Roy's Garage 5th bearing
CH 601 XLB
N601LT - Flying
http://www.mykitlog.com/rlendon
Corvair Engine Prints:
https://sites.google.com/site/corvairenginedata/ |
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