grains

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  1. M

    Fuel grain geometry

    Hey guys, I'm currently into building my own motors and was wondering if anyone else out there currently uses star grains? I currently use a bates grain configuration (basically multiple toilet paper roll shapes stacked together with a slight gap between each) but I end up taking a long time to...
  2. GaryT

    Sold CTI Pro75 3G Case For Sale

    CTI Pro75 3G Case For Sale, All in Excellent condition, needs minor cleaning. CTI Gen 1 75mm 3G Case - 100.00 CTI Gen 1 Closure Set - 80.00 CTI 75mm Spacer (1) 15.00 **PLUS SHIPPING** If interested please Email me at [email protected] rather than PM. Thanks Gary T.
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