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The time now is Aug 29, 2008 - 07:23 PM

The Sheet Metal Shop .Com Forum Index » Sheet Metal Forums » Sheet Metal Basics

Reverse elbow (or airplane) layout?

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Author

Message

randyt

Post subject:RE: Reverse elbow (or airplane) layout?

Posted: Sep 12, 2005 - 10:47 PM #3672

Joined: Jun 20, 2004
Posts: 32
Location: michigan

That fitting can be handy in a lot of instances. I was building one once and my boss walked by and said "hey you buildin a piano" of course I replied " nope just an airplane". I guess I was taking a little to long. I like to brake a kink kitty corner on the angled side. It seems to fit into the pitts a little better.

Dad

Post subject:RE: Reverse elbow (or airplane) layout?

Posted: Jun 28, 2008 - 12:23 AM #7698

Joined: Jun 26, 2008
Posts: 6
Location: Canada

Refer to Bud's post # 3442
Set dividers to RA - 4A. With 4A as center, strike an arc counter clockwise.
With 1A as center, strike an arc.
Where these arcs intersect is the center point for radius 1A - 4A.
I have made this fitting many times, and this method never fails.
Assembly is tricky; an inward kink on the developed cheek is helpful.

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