I had a lot of problems at one time with the engine going very rich at mid
range power settings.  It was fine at high power and idle.  When I reduced
power sometimes it would foul a plug and give a pretty good vibration.

Brian Kraut
Engineering Alternatives, Inc.
www.engalt.com

-----Original Message-----
From: krnet-boun...@mylist.net [mailto:krnet-boun...@mylist.net]On
Behalf Of Steve Glover
Sent: Thursday, April 14, 2005 10:18 PM
To: KRnet
Subject: KR> Correction on Crank


Hi Netter's,

Well, It appears I had spoken too soon.  All initial indications pointed to
a broken crank on the VW.  We pulled the engine down and did not see
anything unusual.  I took the crank over to a well known machine shop in the
area and had it magnafluxed and dye glowed.  Zip, zilch, nada.... No cracks
anywhere. Now we are at a total loss for any explanation of the vibration.
We will recheck the prop for balance but I think it was too severe of
vibration for that.  Besides, once it was repaired, refinished, and
balanced, it ran really smooth.

I apologize for the false info. Now I have no idea what could have caused
the problem.  Both ignitions were checked with the same results on both.
The heads and valves looked fine after disassembly. Carb functioned properly
as far as acceleration.  I am using a Revflow which has not given me any
trouble in 200 hours.  If anyone has any ides, I'm listening.  We are
putting the engine back together and I will fly it until the Corvair is
ready.  Hopefully whatever the anomaly was, with the rebuild (Again), it
will be gone.

Steve Glover
KR-2 N902G
AJO, Ca
<kr...@cox.net>



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