Scratch - Mark V Scratch

Manufacturer: Scratch
Product Type: Scratch
Reviews
  • Scratch Mark V By Darren Longhorn

      The MkV was my first cluster design. It's made from a 55mm cardboard postal tube with 1mm thick balsa fins and a balsa nose cone. It's powered by four 18mm engines. They have to be C's . . . really! After consulting with the guys on r.m.r I've made a new ignition system. It's based around two 6v lead-acid batteries ( wired in series to give 12v), so I shouldn't have any problems ...

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