Great idea Buly!
Just got a roll of it for my firewall.

Joe berki
Limo EZ
----- Original Message -----
From: "Bulent Aliev" <atlasyts@bellsouth.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Wednesday, January 24, 2007 6:22 PM
Subject: [FlyRotary] Exhaust flange gaskets


> I posted this on Paul's site, but somebody here may benefit also:
> When I tried to get new metal exhaust gaskets for my 13B I almost had
> a stroke. $90+ each. So, i got me think'n
> and looking around my hangar. Found left overs from my firewall
> insulation material Fiberfrax:
>
> "Fiberfrax
> A new material made from washed ceramic fibers with binders added to
> form a lightweight, flexible asbestos-free insulation. Withstands
> temperatures to 2300 F. Excellent for aircraft firewalls."
>
>   So, I used the metal gasket and cut 4 copies from the material.
> Used the old metal gaskets with one of my fresh super secret liners
> on each side. It works better than advertised. 100% leak free even
> with my 1800F EGT's. Removed them after few hours and they were
> perfectly white on all sides with no signs exhaust gasses penetrating
> out. Only draw back is every time you remove the flange, you must cut
> new liners. They compress and stay that way.
>
> My hangar mate races rotaries and his buddies and engine builders
> started asking how to get this "magic" stuff.  Aircraft Spruce is the
> place.
> Send all royalty checks to my Paypal account, or I'll sue!
> Buly
>
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