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Old December 20th, 2013, 10:39 AM
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Default PreHeater Hood Build

Hey all,

I'm starting a hood build, but looking to see what size most people use before I start bending up the SS. So, if I'm looking at the hood from the end, how tall is the vertical piece, the angle piece and the horizontal?, I was thinking 2' for the vertical then 2 feet for the slant and then 1' for the top of the hood. does that make sense? or will this make it too tall? This is going an a 2x4 drop flue pan.

Thanks, Dane.

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Old December 20th, 2013, 10:55 AM
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I think the key is a good angle and a narrow top for strength. My leader 4 foot hood is maybe 1 foot wide at the top. I put a couple cases of glass on it to warm with no issues. If you would like i could take some measurements of mine tonight.
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Old December 20th, 2013, 11:07 AM
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Here's mine. 10" on all the sides, works great. I have a 8" stack but I'm sure you could use a 10 if you wanted. 8 in doors on it also.

Last edited by jmayerl; March 15th, 2017 at 11:11 AM.
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Old December 20th, 2013, 11:30 AM
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Good idea on pre-warming glass on the hood. Hmmmmm.
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Old December 20th, 2013, 11:59 AM
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Here is a leader hood pic. I also believe that the hood is made from heavier gauge stainless than the 22 gauge that is used for the pans.
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Old December 20th, 2013, 12:21 PM
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Boy, I'm glad I asked, After seeing your picture, I think 2' for each surface is too large, I think 12" is more inline? Thanks, Dane.
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Old December 20th, 2013, 04:02 PM
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I don't have a hood yet, but was wondering if that flat top area ends up having water drops that drip back into the pan. Obviously the gutter system around the edge will catch the condensation from the slant and verticals but how do you deal with the top?
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Old December 20th, 2013, 04:52 PM
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I think the horizontal "roof" should only be 1 or 2 inches wider than the stack diameter, for strength. The stack can get heavy.
For my 2 foot wide rig, vertical sides at 6 inches ( I don't have a preheater)
The slanted panels need to connect the roof with the sides. These proportions just look right, to my eye.
I think I used up a 48 inch wide sheet to span a 24 inch wide pan, including gutters.
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Old December 20th, 2013, 05:08 PM
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That's right Larry. When I made mine I bought a 4'x10' sheet. So with gutters figured in I just did the math to use up 48'' and I think my top (flat) is 10'' because my vent is 8''. Once you start laying it out, theirs not much material left to get too tall.
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Old December 20th, 2013, 05:54 PM
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Like minded, I was thinking the same thing, to have the top sloped to the ends.

On the plus side, the SS sheet was sitting in front of the garage, all crated up when I got home.


Dane.
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