11-09-2017, 07:00 AM
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Lost his Drifter
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Join Date: Mar 2013
Location: Northeast Ohio
Posts: 1,286
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Back in the day, they needed something to distinguish model rocket motors from fire crackers. IMHO, we still do today. So we enjoy the benefit of having a certification process.
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-Wolfram v. Kiparski
NAR 28643 - TRA 15520
MTMA Section #606 President
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