
This is the OMH-5830-490 F3C Helicopter Motor from O.S. Motor. FEATURES: For 700-800 class electric powered helicopters, especially suited to FAI F3C competition Specially developed stator minimizes heat generation Stainless steel rotor shaft Two year limited warranty through Hobby Services beginning at date of purchase INCLUDES: OMH-5830-490 F3C Helicopter Motor with Pretinned Motor Leads and Instruction Sheet REQUIRES: At least 120A electronic speed control SPECS: Power Supply: 12S LiPo (44.4 - 50.4V) Can Diameter: 2.3" (58mm) Body Length: 2.4" (62mm) Poles: 10 Shaft Diameter: 0.24" (6mm) Shaft Length: 1.2" (30mm) Weight: 21.16oz (600g) Lead Wire Length: 3.9" (100mm) Rated Voltage: 44.4 Rated Current: 100A Maximum Current: 150A for 5 seconds No-load Current: 3.1A/10V Phase Resistance: 14 miliohms Phase Inductance: 25uH Maximum Efficiency: 90% Kv: 490 Turns: 12