JimJarvis50
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So, I have the document. Looks like a nice, light reading!So I did a little looking and found references to the BBXI spinning at rates of 2Hz and 5Hz, so not sure what I was remembering. My other payload flew on a Terrier Orion, I have that as spinning up to 6.66 rev/s, with roll frequency crossing the vehicle's pitch frequency very rapidly at 1st stage separation [a big drop in inertia perhaps], and then the spin rate stays above the pitch frequency for the rest of the flight. Fins were canted 55 arcminutes. You might want to peruse MIL-HDBK-762 DESIGN OF AERODYNAMICALLY STABILIZED FREE ROCKETS (17 JUL 1990), I recall it seemed pretty thorough.
br/
Tony
Jim