05-15-2013, 10:08 AM
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Old Far...er...Rocketeer
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Join Date: Mar 2005
Location: Plano, TX resident since 1998.
Posts: 3,965
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Quote:
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Originally Posted by blackshire
...the two-stage version of the Centrix was staged using a length of fuse in the second stage motor's nozzle, which was lit by the first stage motor (it was either a "dash-zero" booster motor or had a very short delay--I don't remember).
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As far as I know, all the 10.5mm boosters had no delay. I have a few in my stash I can check to be sure.
As for the fuses, these were wires which had been dipped in pyrogen. I have some, but have never flown them. In fact, I have been in the process of gettin' around to flying my stash of 10.5's for about 12 years now 
I've built several birds to use them, but, alas, it seems the time has just never been right.
Doug
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