04-05-2015, 06:27 PM
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Craftsman
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Join Date: Feb 2011
Posts: 473
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Bt70lite, use or get standard tube
some time back I bought some bt-70 airframe tubes from Apogee. I finally found a use for it...it turns out that Apogee doesn't sell bt70 with the standard wall thickness of 0.021", what they sell has a thickness of approx. 0.017". I was thinking to build a 3x upscale of the Estes Hi-flyer for 24mm motors( Es and small Fs). now I'm wondering if I should buy a new tube instead of using the thin wall stuff I have on hand. my current design file attached. thoughts appreciated, thanks
Rex
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