New Member - airguy

[airguy]

People always tell me my username needs more imagination - but it has nothing to do with flying planes. 35 years ago I started a small high pressure air services company, nobody could pronounce my last name, so everyone started calling me "The Air Guy" and the name stuck. I've been in compression engineering since then, currently with Occidental Petroleum.

Anyway - west Texas based, built a Vans RV9A, building a -10 now, have a Bearhawk Patrol and a 172. IFR and about 3500 hours, private strip, 73XA. Currently seeking some fuel tank cap O-rings for the Bearhawk.

 

[jaredyates]

Welcome! The Bearhawk designer Bob Barrows also had a career in pneumatics. He worked for Ingersoll Rand and developed things including pneumatic starter motors for equipment that worked in underground mines, where electric motors were hazardous due to sparks.

Fuel cap o-rings are a subject we've had considerable discussion about. There are two different size options depending on what's going on. Here is a thread with some background:
https://bearhawkforums.com/forum/be...gas-cap-discussion-looking-at-filler-neck-i-d

If you are working on caps, I would also highly recommend the roll-pin modification developed by the Kiwis. Here are some links: https://bearhawkforums.com/forum/bearhawk-general-discussion-news/81845-pinned-fuel-caps-rock
https://www.bearhawkblog.com/post/known-issues

 

[Bcone1381]

Bob's fuel caps need that Roll Pin Modification. Without it a person unfamiliar with these unique caps will have diffaculty removing and installing them. One failure mode is they disassemble themselves while the cap is being installed and parts fall into the tank.

I've got my caps working as they should by modifying them iaw the two post's Jared shared and I am very happy with them. I carry an extra cap with me in my tool box.