Scratch - CoStar Scratch

Manufacturer: Scratch
Product Type: Scratch
Reviews
  • Scratch CoStar By Peter Clay

    ( Contributed - by Peter W. Clay) CoStar HPR capable midpower rocket The CoStar should probably have been called "Understudy." My other rocket this size, G-whiz , has replaceable fins, and since I wasn't completely sure the concept would work, I built a backup booster section with fixed fins. G-whiz also has some internal details that move the payload area forward into the ...

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