for all those tin-knockers out there http://www.thesheetmetalshop.com
"when in doubt...jump it out" http://www.youtube.com/watch?v=U1qEZHhJubY
That's a pretty cool site. Check out the 10 books on cd package. The newest book is 83 years old and the oldest one is 103 years old!! Bet there are some strange looking tools in them.
read the one about the pressure switches....makes a guy stop and think.
I've been lurking over there off and on for ever. Seems to be if there's any kind of layout problem or wacky fitting, these guys know the answers.
thats not a bad site , they could learn alot from us