[NSRCA-discussion] Header coupler

[MATT LIPRIE]

Titanium....



Matt
----- Original Message ----- 
From: "Paul LaChance" <plachance at cox.net>
To: "General pattern discussion" <nsrca-discussion at lists.nsrca.org>
Sent: Monday, June 01, 2009 9:18 PM
Subject: Re: [NSRCA-discussion] Header coupler


> George,
>
> I had similar problems back when I fly old ys 60's.  I used the green 
> heater
> hose for trucks.  Had reinforcing and lasted very well, but was heavy
> compared to anything else you can use.  Try a good auto parts store or a
> commercial truck parts or repair facility.
>
> Paul
> ----- Original Message ----- 
> From: <glmiller3 at suddenlink.net>
> To: "NSRCA List" <nsrca-discussion at lists.nsrca.org>
> Sent: Monday, June 01, 2009 6:07 PM
> Subject: [NSRCA-discussion] Header coupler
>
>
>> Hello all.
>>
>> I need to tap the collective expertise here on the web.
>>
>> As some of you know, I've been working on a gas conversion of an OS
>> 160....it is running very well and I'm quite happy with the
>> weight/performance and ease of use.
>>
>> BUT I'm having a problem with the muffler coupling.
>>
>> I'm using a Mueller header and an aeroslave carbon pipe.....the header 
>> has
>> a 3/4 in outer diameter.
>>
>> My first coupling material was teflon tubing from McMasterCarr...the
>> "thick walled" 3/4 inch ID tubing...
>>
>> This held up pretty well as long as I had the space between the coupled
>> pipes very small...but I was getting contact between the pipes (that was
>> the metal "tinging" that you were hearing, Lance)..which eventually 
>> caused
>> a burr on the tube and resulted in a hole in the coupling.....So I made
>> the gap a little wider 1/4 inch or so and now the teflon coupler is
>> melting through in a flight or two.....so I need an alternative material.
>>
>> I remember that we used to use a thick silicone coupling material for
>> helicopter header/muffler connections but I can't find it 
>> anymore...Surely
>> someone here has some ideas and a source where I can get it.
>>
>> Let's hear it!
>>
>> Thanks in advance,
>>
>> George Miller
>> _______________________________________________
>> NSRCA-discussion mailing list
>> NSRCA-discussion at lists.nsrca.org
>> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion
>
> _______________________________________________
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> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion
>


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