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  #21  
Old 04-05-2020, 11:05 AM
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Originally Posted by platypus20 View Post
Woooooooo, A bonafide sheep skin..............
Jack you should appreciate it you helped pay for it, via the Navy.
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  #22  
Old 04-06-2020, 06:34 AM
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Nope, the sheep skin says BS in Chemistry not Chemical Engineering...

Chemical Engineers are just over paid plumbers.
A friend of mine's son has a PE in chemical engineering.

I inquired as to what all that entails..."plumbing", as you put it is much easier to say....

Works at the large refinery in Houston.
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  #23  
Old 04-06-2020, 12:31 PM
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Welp, they finally shipped me a drawing, the dampers will have a 32” ID, be 12” tall and have 3 blades, it will be heavy, as all the body pieces and the blades have to be 1/4” thick. I ordered the steel, shafting and bearings and most of the hardware. I should start basic layout either tomorrow afternoon or first thing Wednesday morning.
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  #24  
Old 04-06-2020, 02:19 PM
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Looking forward to see build pics or drawings. I’m confused on how you get a 32” diameter dampener in only 12” height.


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  #25  
Old 04-06-2020, 06:04 PM
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Think "Venetian Blind" for the damper.
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  #26  
Old 04-06-2020, 06:43 PM
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Think "Venetian Blind" for the damper.
Yup, three or four vanes. Gonna take a bit of careful layout to fit everything together and make it work. What's the maximum allowable bypass rate on these bigger dampers?
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  #27  
Old 04-06-2020, 07:56 PM
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As it’s a control damper, not a complete shut-off damper, we’re looking for about 5%, unless I have to put shut off seals in it.
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