10-11-2005, 05:41 PM
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Master Modeler
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Join Date: Apr 2005
Location: Bartlett, TN
Posts: 3,352
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Quote:
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Originally Posted by ghrocketman
All engines except the FSI D18-6 performed as designed....fired perfectly !
The FSI D18 resulted in the expected kaboom CATO....luckily it was expected and in a rocket that was borderline worthless.
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I used to have alot of trouble getting a non-CATO out of FSI motors. I used Estes igniters and a wad of tissue to plug it into the motor. Then someone told me that the FSI motors built up so much internal pressure so quickly, that plugging the nozzle would cause them to explode. Switched to taping the igniter in and never had any trouble. Of course, I'm still hesitant about flying them in my vintage FSI rockets..... 
Don
NAR 53455 |