V-motor Allison V-1710-89A Stermotor Wright R-1820-97 Cyclone Boxermotor Franklin VO-335-6 (6V-4-200-C33) toepassing Hiller H-23B helikopter Stermotor, opengewerkt Pratt & Whitney R-1830 V-motor Rolls Royce Kestrel V toepassing in Fokker C.X Studebaker R-1820-97 stermotor, opengewerkt Lycoming 4-cylinder Boxermotor Stermotor Wright whirlwind R-975 E-3 Stermotor Pratt & Whitney R-1830-92 Twin Wasp Stermotor Pratt & Whitney R-1830-92 Twin Wasp Stermotor Wright R-1820-97 Cyclone Motor Napier Sabre IIA (Hawker Typhoon)