03-15-2006, 12:04 AM
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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:
Originally Posted by John Brohm
The Challenger I fin can had fins that were molded in a slight diamond airfoil; this fin can was designated PRP-1G, and had P/N 032486. The Kadet had exactly the same fin can, with exactly the same part descriptors...
...The later model kits (like the America, the Athena, and the Generic E2X) have fin cans with fins in a wedge airfoil shape...
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I thought there was a slight difference, as I had the Star Trek starter kit way back when, but I couldn't remember what the difference was. The later fin can is a simplification, but essentially the same size and shape around the edges.
As I recall, though, both fin cans had their share of warpage issues...
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