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Old 04-19-2018, 10:56 AM
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Gus Gus is offline
7/21/61
 
Join Date: Sep 2005
Location: North of Detroit
Posts: 2,223
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Quote:
Originally Posted by ghrocketman
Why would anyone use a D10 or D21 in anything BT-20 or 50 based rocket unless it is a fire-and-forget flight ? Not likely to get it back unless the field is huge.


GH,

A "kid" I know and her dad have both used the D10 to great effect in minimum diameter tubes for altitude record attempts.

But in 18 mm tubes they usually destroy the tube after a single flight. I wouldn't fly them in anything painted.

I DO find the D21 a great motor for the Semroc Mars Lander.
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