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Rick Lewis
Joined: 03 Jul 2007 Posts: 122 Location: Kingston, Tn.
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Posted: Sun Nov 22, 2009 6:09 pm Post subject: Exhaust Pipes |
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I am installing my exhaust pipes and they will have two slip joints in them that I would like to be able to remove easily when I need to in the future. As you know the steel exhaust pipes can rust and seize together in a short while. I thought of trying never-seize, but don't really think it can withstand the extreme heat of the exhaust pipes. Does anyone have any idea's as to what I can use?
Rick Lewis
(water cooled VW powered)
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Dana

Joined: 13 Dec 2007 Posts: 1047 Location: Connecticut, USA
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Posted: Sun Nov 22, 2009 6:49 pm Post subject: Exhaust Pipes |
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At 09:09 PM 11/22/2009, Rick Lewis wrote:
Quote: | I am installing my exhaust pipes and they will have two slip joints in them that I would like to be able to remove easily when I need to in the future. As you know the steel exhaust pipes can rust and seize together in a short while. I thought of trying never-seize, but don't really think it can withstand the extreme heat of the exhaust pipes. Does anyone have any idea's as to what I can use? |
The metal based antiseize compounds are made for high temperatures. I've used nickel based antiseize (rated to 2600°F) with good results on my exhaust joints. A ball and socket joints with springs (a la Rotax) might be a better choice, though.
-Dana
--
If the government doesn't trust us with our guns, why should we trust them with theirs? [quote][b]
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NeilsenRM(at)comcast.net Guest
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Posted: Sun Nov 22, 2009 6:53 pm Post subject: Exhaust Pipes |
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Rick
I have a four into one exhaust system on my plane that was made for a VW
dune buggy engine that I modified to fit my aircraft. It has two stock slip
joints between the J pipes and the rest of the system secured by stock VW
clamps. I figured why reinvent what works on the cars. I have had it in
place for three years before I removed it and had it ceramic coated. The
joints came apart with little effort. After ceramic coating the pipes the
pipes need to be secured more carefully or they will move around and leak
but don't appear to want to seize. The ceramic system has in place for
4-5years.
Seems like we had another VW powered Kolb ready to fly a while back but
haven't had any reports yet.
Rick Neilsen
Redrive VW powered MKIIIC
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Rick Lewis
Joined: 03 Jul 2007 Posts: 122 Location: Kingston, Tn.
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Posted: Mon Nov 23, 2009 3:44 pm Post subject: Re: Exhaust Pipes |
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Thanks for the response. I will try the high temp neverseize I just didn't realize that they made neverseize that could with stand that high of temperatures.
Rick Lewis
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