[rebel-builders] Baffle touching the cowling

[WALTER KLATT]

Yes, that is the corner where you need to cut down your baffles as much as you can to prevent contact. When I did my 360, I noticed a vibration on my panel and in the cockpit under high power when I was climbing out. It was fine at cruise, though, and had me "baffled" for a while. Turns out that the engine has enough torque twist at high power with the dyna focal mounts to require a little extra space on the right side of the baffles.

As far as how much exactly, it was basically trial and error. I kept trimming it down until the vibration went away.

Walter

----- Original Message -----
From: Jay Yau <jayyau28@hotmail.com>
Date: Wednesday, September 23, 2009 11:00 am
Subject: [rebel-builders] Baffle touching the cowling
To: rebel-builders@dcsol.com

[quote]
My Rebel engine baffle has put a mark on the cowling fiber glass
cover, I noticed a chipped paint came off the cowling, the
location is near the corner of #3 cylinder where baffle bent 90
degree. Any one knows waht's the baffle to cowling clearance
should be? I think it was cuased during Engine start, otherwise
it would be worse, my prop dynamic test was better than normal.



Jay/N654JM


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Bing

[Michael Kraus]

On my RV-10 Vans recommends 3/8"-1/2" clearance to the cowl...
-Mike Kraus

Sent from my iPhone

On Sep 23, 2009, at 1:59 PM, Jay Yau <jayyau28@hotmail.com> wrote:

My Rebel engine baffle has put a mark on the cowling fiber glass
cover, I noticed a chipped paint came off the cowling, the location
is near the corner of #3 cylinder where baffle bent 90 degree. Any
one knows waht's the baffle to cowling clearance should be? I think
it was cuased during Engine start, otherwise it would be worse, my
prop dynamic test was better than normal.



Jay/N654JM


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