Buford J Schramm Rotor Blade Patent
PATENT 3,356,153 Patented December 5th 1967 Rotor Blade Design This invention relates to a rotor blade for helicopters. Rotor blades for helicopters involve complications not…
rotor blade
Helicopter Parts And Accessories Suppliers – Helicopter Spares
Helicopter Parts & Accessories Suppliers A brieft listing of experimental helicopter parts suppliers. While some of the companies listed are “auto” suppliers – the advice…