( Contributed - by Joseph Michel - 12/10/02) Brief: HPR Der Red Max, 2.458X upscale. 48" parachute recovery. Construction: All materials are PML. I used 4" Quantum tubing, cut and slotted for me by PML. The body tube was cut to 20.8 inches, while the fin slots were 4.6 inches long, 3/8" from the end of the tube. The fins and centering rings were made from 3/16" ply. ...