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Fw: Duct work

To: "shop-talk" <>
Subject: Fw: Duct work
From: "john niolon" <>
Date: Tue, 28 Feb 2006 05:31:45 -0600
----- Original Message ----- 
From: "john niolon" <>
To: "Bill Gilroy" <>
Sent: Tuesday, February 28, 2006 5:28 AM
Subject: Re: Duct work

> Bill..
> you can do it the easy way of the hard way...
> the easy way... go to your local mega store and find the ductwork section 
> (beyond door locks but before plywood usually). Buy some 7" flex duct.. 
> it's sold by the box all compressed like a dryer vent would be.. It's 
> insulated already and just cut and clamp.
> the hard way..using archaic math and geometry skills and this site for 
> help 
> lay it out on flat metal and build it... three days later with a pile of 
> worthless galv sheet metal at your feet...turn off the light and do it the 
> easy way... but hey ??? you got to use a protractor ...first time since 
> the 6th grade
> john
> ----- Original Message ----- 
> From: "Bill Gilroy" <>
> To: "Shop-Talk Mailing List" <>
> Sent: Monday, February 27, 2006 11:27 PM
> Subject: Duct work
>> Not being a tinknocker I have a question on how to make a duct.  This is 
>> the
>> problem I need to solve.  I have a 7" round exhaust duct that has a 3 
>> inch
>> gap.  The two end do not line up the they are shifted over by about 2 
>> 3/4"
>> inches.  Any ideas how I go about making a pattern that will work in this
>> situation?  I can wrap it around and screw it in place if need be.
>> Bill

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