Mailing List flyrotary@lancaironline.net Message #6786
From: Marko Bewersdorff <fly@bewersdorff.com>
Subject: RE: [FlyRotary] cooling duct seal?
Date: Wed, 24 Mar 2004 20:03:39 -0800
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Message
If  you want to get creative, fiberglass mat saturated with RTV makes quite a flexible - in all aspects of the term - sealant. I've used it on oddball shaped gaps, others use it successfully as baffling directly on their Lycoming cylinders. You can put some duct tape where on the cowling inlet where you don't want the stuff to stick and perhaps build it up stiff enough to stay put or set up a removable frame adhering to the glass-RTV that clips/bolts etc to the cowl.
 
Marko
-----Original Message-----
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]On Behalf Of Russell Duffy
Sent: Wednesday, March 24, 2004 7:11 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] cooling duct seal?

Greetings,
 
I did the first test fit of my cooling ducts, and there's hope for them.  I still haven't decided exactly what I'm going to do to seal the front of the duct to the cowl inlet.  There's only about 1/8" gap at most, and I'm thinking that it will probably work fine without any additional seal, however, I'll probably try to put some sort of foam strip to get some sort of a seal. 
 
I looked through all the pics I have, and can't find a picture that shows the front of anyone's duct.  How are you guys sealing these to the cowls?  Pictures???
 
Cheers,
Rusty
 
 
 
 
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