Reviews

• Scratch Mark V By Darren Longhorn

  Mark V ( Contributed - 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 ...