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Tractorsport Flowbench Forum Archive • View topic - Pitot tube testing

Pitot tube testing

Discussion on general flowbench design

Postby Mining4air » Mon Aug 14, 2006 2:44 pm

I'm just kinda wondering what pressure diff. you guys are seeing when pitot testing with manometers. And also, does anyone know a formula for converting these numbers into fps. I am using my verticle (still havent built a new one yet) and over the short turn and seeing from about 9-15" on the last one I checked. this was just before it stalled so I'm thinking the 15" has got to be in the 400+fps range.
Anyone else seeing simular numbers?

Jay
Pretty dont make power, but it sure sells parts.

Jay C
Mining4air
 
Posts: 6
Joined: Mon Jul 31, 2006 2:28 pm
Location: Montana

Postby Unkl Ian » Mon Aug 14, 2006 3:17 pm

I think there is a spread sheet here,
that converts Pitot readings to velocity.

Generally,you don't want to see more than
the depression you are flowing at.

eg: if you are testing at 12" of water,
you don't want to see 15" on the Pitot manometer.
Unkl Ian
 
Posts: 42
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