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Old 05-10-2005, 03:42 PM
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CPMcGraw CPMcGraw is offline
Join Date: Mar 2005
Location: Mobile, Alabama
Posts: 5,355

Originally Posted by Eagle3
Why are the booster fins reduced and not the upper stage? I don't recall the discussion on oldrockets, so I don't know the history.

I had to look hard to find the thread, myself. Mid-August, message numbers between 21500 and 22000...

There were several suggested fin patterns in the discussions, but the thread died out without a final accepted booster pattern. One plan version used a set of fins similar to the main fins of the #2174 Polaris, while another suggested enlarging the original fins to use for the booster.

The reduced-area "booster" fin idea is not uncommon, and has been used by several Estes' kit designs, including the Clipper, the SARK, and the Guardian. I saw this version as just one more design in the list of possible solutions.

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