Tuesday, September 9, 2014

TR-1 Motor Update

McMaster-Carr order arrived yesterday and included the o-rings, Delrin rod, screws, and pressure gauge.  I didn't get a chance to assemble the motor for a final test fit, but now that I have the o-rings that's next on the list of things to do.  The Delrin rod for casting the core in the propellant segments was a perfect fit in the casting base, so I'll just need to cut to length.  Delrin would be an ideal choice for the casting bases too, but the stock I need would be around $60 for two bases, so I'll stick with wood for now. 

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