03-22-2009, 10:18 PM
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BARCLONE Rocketry
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Join Date: Mar 2005
Location: Mobile, Alabama
Posts: 5,357
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Quote:
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Originally Posted by Mark II
As Steve said, what compelling designs have been made with HBT-1090? OK, there's the Delta Clipper, and ...?
True, the difference between HBT-1090 and ST-10 is 5 hundredths of an inch, which, when you divide by 2, is barely visible at all in the tube wall. OTOH, Semroc does sell BT-51 AND BT-52.
MarkII
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That's not really a great comparison, Mark... 
Both of those tube sizes are extremely important!  |