Reviews

• Scratch CrackPipe By Larry Brand

  ( Contributed - by Larry Brand - 09/07/05) Brief: CrackPipe is the fourth of my experiments in using PVC plumbing conduit for rocket construction. It is basically similar to the " Pipecleaner " I presented in this site earlier, but is shorter, lighter, and has very austere 3FNC construction. It is a 29mm design best flown on AT F23-7 or F20-7 motors, or 24mm F21-8 using an ...