Scratch - Rail Launcher (for under $40) Scratch

Manufacturer: Scratch
Product Type: Scratch
Reviews
  • Scratch - Rail Launcher (for under $40) {Scratch} By F.W. Dick

    ( Contributed - by F. Dick - 12/01/01) The Under $40 Rail Launcher Brief: After seeing an article on the world's simplest launcher in the February 2001 issue of High Power Rocketry and finding Matt's D.I.Y. Rail at www.railbuttons.com , I decided to combine the two budget ideas for "The Under $40 Rail Launcher." Unfortunately, the flying season in the Colorado mountains ...

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