Aero/streamline tubing shape

bhart · May 27, 2004

I am trying to define the shape of standard aero/streamline drawn tube. There is a MIL spec that gives some inspection dimensions and major and minor lengths of the tubing, however, it does not seem as though I have enough info to fully define the shape for modeling (stress analysis not CFD). Any help would be appreciated... again, I am familiar w/ what is in the MIL spec and with what tubing distributors will provide (they are basically the same thing). I need to know, if I were going to make a die for this tube, what would the shape be EXACTLY?
Thank you

sreid · May 27, 2004

I've always assumed that the shape is simply a standard 4 digit symetrical NACA shape.

Check out

http://www.nasg.com/index-e.html

Sparweb · May 29, 2004

Streamline tubing has a standard shape, but I don't actually know what defines it. I do, however, have a textbook diagram that defines all the dimensions in terms of proportions of the chord, so that should suit you. If you have a copy of Bruhn's Analysis and Design of Flight Vehicle Structures (see my FAQ) you can find some of the structural properties for your stress analysis.

Send me an e-mail sparweb@hotmail.com and I can get a scan from the book sent off to you.

Steven Fahey, CET
"Simplicate, and add more lightness" - Bill Stout

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Aero/streamline tubing shape

bhart

Mechanical

sreid

Electrical

Sparweb

Aerospace

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