|
Posted by Michael Horowitz on June 6, 2009, 4:19 pm
Please log in for more thread options On Sat, 6 Jun 2009 09:57:05 -0700 (PDT), Leon@caspercityauto.com
wrote:
show/hide quoted text
>> >Is it an 1/8" rust hole?
>If it is a rust hole I'd be real concerned about the health of the
>rest of the tube. Just how much rust is in there any way?
>I learned this trick from a muffler shop guy long time ago and while
>it's not strictly "aircraft method" it does work to find tubes that
>are in need of replacement. Grab a set of Channel Lock type pliers
>and find a piece of tube in known good shape of the same size and
>gauge as the tube in question and squeeze until it just starts to
>deflect. Take not of the force required. Now go squeeze the tube in
>question. A good tube won't be damaged but a rusted tube will -
>generally - deform at a noticeably reduced hand pressure. Really
>rusted ones, and I've seen some that looked perfectly fine on the
>outside, will crush with a noticeable crackling sound.
>=====================
>Leon McAtee
Excellent. Thanks Leon - Mike
| 
XML Sitemap
> or holes in tubing may be repaired by using a patch of the same
> material, one gauge thicker" and then defines punctured tubing:
> b. Punctured Tubing. Holes are not longer than tube diameter and
> involve not more than 1/4 of tube circumference.
> Question: Can I apply the definition of Punctured Tubing to mean a
> hole caused by rust? As I'm stripping my tubing I've notice several
> out of the way patches and I'm assuming they are covering rust holes.
> I've uncovered two 1/8" holes previously unseen and am wondering if a
> simple patch is correct. - Mike