I am looking for fuel cap replacement gaskets that are resistant to auto
fuel.
My fuel caps are Lancair old style similar to ACS as listed in the

Aircraft

Spruce catalogue P/N 10450-1.  The only gaskets they

list are not

compatible

with autogas.
My fuel caps swell up to a point where they are U/S.

Any Ideas?

Hank H. LNC 235 - Rotary

Hank, are you in the full flying mode now? I know
you did a first flight and was wondering how things
are going?
 For your gaskets, if you have the flat style, not
an o-ring type seal, Buna-n rubber or Nitrile NBR
should be OK both are available in sheet form. Parker
sells o-rings in these materials also. Viton or
Fluorosilicone FVMQ is also ok.
 If you are flying would you consider showing off your 
aircraft at a Livermore EAA 663 Chapter meeting? I
would love to meet in person.
Bill Jepson
E-mail me direct at WRJJRS@aol.com
for phone numbers etc.

 
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