05-04-2009, 10:31 PM
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Junior ??? Rocketeer
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Join Date: Mar 2005
Location: Knightdale, NC
Posts: 1,470
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Quote:
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Originally Posted by foose4string
Very cool.
I have a generic question relating to your motors(this may have been discussed already-not sure).... what is the process for making the nozzles and how are were they made for the prototypes? This question has nothing to do with the prototype test results, I'm just curious how certain aspects of the motors are(or will be) manufactured since I don't know much about the process.
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The nozzle is made of clay. It looks like kitty litter before it is compressed. When it is pressed, like the black powder and delay, its density almost doubles and it is a very hard slug. The divergent cone and throat are pressed into the base of the clay by a steel drift or die to give it the correct shape.
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Carl McLawhorn
NAR#4717 L2
semroc.com
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