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The time now is Oct 11, 2008 - 12:52 PM

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


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randyt
Post subject:RE: Reverse elbow (or airplane) layout? PostPosted: 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.
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Dad
Post subject:RE: Reverse elbow (or airplane) layout? PostPosted: Jun 28, 2008 - 12:23 AM #7698



Joined: Jun 26, 2008
Posts: 23
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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