08-02-2019, 10:26 AM
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Banned
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Join Date: Mar 2005
Location: Raleigh, NC Area
Posts: 1,743
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Quote:
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Originally Posted by ghrocketman
The old "thermalite based" sure shot is even better than cannon fuse for instant, almost guaranteed upper stage ignition.
Too bad thermalite wick is one of the numerous items the Gestapo, oops...I mean BATFE, has eliminated from the average rocket hobbyist's available items.
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It wasn't Thermalite . . .
Centuri "Sure-Shot" igniters were Jetex wick with a piece of bare Nichrome wire wrapped around it.
FSI / Flight Systems igniters ( not the BP-100 Electrice Matches ) WERE Thermalite ( Nichrome wires spiralled around the wick, with reinforcing fibers ) !
Dave F. |