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Date: Fri, 01 Jul 2005 07:46:52 -0500
From: Jim Sower <canarder@frontiernet.net>
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: Exhaust flange leak
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<... I assume on the turbo gaskets as well? ...>
I would guess not.  RTV on the flange is sealing it to a large heat sink 
near large water passages.  Turbo housing and its flanges get cherry 
red.  600* or 700* RTV is going to be useless as teats on a bull IMO.
I'd sure never do it ... Jim S.

David Leonard wrote:

> I alway thought that silicone was a no-no on all exhaust components.  
> My turbo says to "Never" use gasket maker on any of the turbo fittings. 
>  
> But you guys have been using it on the exhaust flange?  I assume on 
> the turbo gaskets as well?  Cool, nice to know it is OK to do that.
>  
> Dave Leonard
>
>  
> On 6/30/05, *George Lendich* <lendich@optusnet.com.au 
> <mailto:lendich@optusnet.com.au>> wrote:
>
>     A bit of silicone will fix-up exhaust leaks. You must take them
>     off, put on the silicone and then bolt it back up.
>     It works for me!
>     George (down under) 
>
>         Looking for advice.  I have a small leak at #3 rotor housing
>         to exhaust flange, detected by a bit of discoloring on a SS
>         baffle that is about an inch away.  I installed with the stock
>         Mazda flange gaskets.  I have re-torqued the nuts, no change
>
>          
>
>         Should I: a) Remove and replace gasket?
>
>                        b) Remove and coat gasket with high temp RTV?
>
>                        c) Throw away all three gaskets and use only
>         high temp RTV?
>
>                        d)  None of the above and ignore the leak?
>
>          
>
>          
>
>          
>
>         I would say C.  Amazing that it works, but it really does work.  
>
>          
>
>         Rusty 
>
>
>
>
> -- 
> Dave Leonard
> Turbo Rotary RV-6 N4VY
> http://members.aol.com/_ht_a/rotaryroster/index.html
> http://members.aol.com/vp4skydoc/index.html