Reviews

• Scratch CORONary By Larry Brand

  ( Contributed - by Larry Brand - 04/01/04) Brief: I built CORONAry from a plastic cigar tube once occupied by a Garcia-Vega English Corona (hence, "CORONAry"). It is a tumble recovery tube fin design for 13mm motors. It utilizes a somewhat different method for inducing "tumble" after motor ejection, in view of the inherent stability of tube fin rockets -- CG aft of Cp ...