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-   -   metal duct formulas (http://www.sheetmetaltalk.com/showthread.php?t=2606)

ductman2014 12-12-2014 11:04 AM

metal duct formulas
 
Wanting to know the formulas for 45 90 30 degrees with an example having trouble understanding them

Bud 12-12-2014 11:34 AM

Welcome to the forum.

That's one big question. A lot of different possible answers. Can you be a little more specific on which type of elbows you're having trouble understanding such as radius heel, drop cheek, transitiona, l ect.

Thanks for joining us. I'm sure we can help you...just maybe not in one answer.:)

ductman2014 12-12-2014 07:08 PM

Well like 45 degree angle

Stevewit 12-14-2014 05:42 AM

What exactly do you mean by formulas? Do you mean how to lay one out to fabricate?

Basher 12-15-2014 05:14 PM

Are you looking for the heel and throat stretch out formulas? I can give you those. Other than that you need to be more specific.


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