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stainless fuel lines

 
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jcveld(at)mac.com
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PostPosted: Fri Feb 29, 2008 1:16 pm    Post subject: stainless fuel lines Reply with quote

In addition to the 4 negatives in the reply below:
•you mentioned TIG welding... you do NOT want welds in your fuel lines!!.... due to possible corrosion, fatigue life issues, etc.
•a stainless tubing system requires all stainless, or at least steel, fittings... using a stainless 'b' nut on an aluminum nipple will eventually lead to galvanic corrosion, galling of the threads when you try to remove the lines, and leaking due to corrosion of the sealing surface of the aluminum nipple...
•the stainless tubing is more rigid, and MAY transfer more vibration loads, etc to the supporting structure (with fatigue cracking results) ... especially if the bends are not EXACT, causing you to need to use some force to line up the ends...

I spent 15 years in the USAF in aircraft structural repair and have made literally hundreds of hyd, fuel, & air lines from aluminum and stainless steel .... i have also seen most of the conditions i have described here... (not the welded fuel lines, though...NOBODY does that)

....hope this is educational enough for you!

John V in Kalamazoo

On 29 Feb, 2008, at 0257, RV-List Digest Serve
r wrote:
[quote]Here are four negatives:

A way to add extra weight.
A way to add extra cost.
A way to add to the level of technical difficulty.
A way to add extra physical work bending and fitting etc.

The Kiss rule rules, {[Wink

Jim in Kelowna

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