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Old 12-01-2017, 08:39 AM
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tbzep tbzep is offline
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Join Date: Mar 2005
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I read somewhere that late production B14's were actually B8's. Photos were shown with early B14, late B14, and B8 nozzles and the late B14 looked like the B8. Am I correct that this was a 1973 B14?

We do know that ISP varies from batch to batch of black powder, so maybe that had some affect on the test subject. Also, Estes/Centuri performance numbers have seldom matched the NAR test numbers. It will be interesting to see the second test, though it would be better to find a B14 that came from another BP batch, maybe one that's a year older or younger than the ones you have.
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