Tempest 2221-1250 Performance Test Data
Magnets Motor Wind Motor Kv No-Load Current Motor Resistance I Max P Max (4S)
14-Pole 10-Turn Delta 1250 RPM/Volt Io = 1.57 Amps @ 10v Rm = 0.047 Ohms 38 Amps 560 W
 
Stator Outside Diameter Body Length Total Shaft Length Shaft Diameter Motor Weight
12-Slot 28.2 mm,  1.110 in. 38.2 mm,  1.504 in. 54.0 mm,  2.126 in. 4.00 mm,  0.157 in. 86 gm,   3.03 oz
 
Test Data From Input 6.0 V 8.0 V 10.0V 12.0V Measured Kv value Measured Rm Value
Sample Motor Io Value 1.482 A 1.524 A 1.574 A 1.610 A 1368 RPM/Volt @ 10v 0.0467 Ohms
Prop Chart Data Coming Soon