请教个油机和电机的问题

气象乱报

21级发动机相当于多大的无刷电机，谢谢

3dhx

这个，这个，我不太玩电机。
只知道三叶21的发动机最大拉力估计有1200克左右。

改改啦

198R21 COBRA

Hp 3,10 RPM 40.800 Bore (mm) 16,00 Stroke (mm) 17,40 Ports 7+buster system Crankshaft & Type Ø 14 SG Glow Plug Standard

改改啦

Motor Specifications Astro 120 Motor

Stock number	P/N 8120
Winding	5 Turns #13
Speed Constant	275 rpm/volt
Torque Constant	5 inch ounces/amp
Winding Resistance	30 milliohms
No Load Current	1 amp
Max Continuous Amps	80 amps
Peak Amps 1 minute	100 Amps
Typical Voltage Range	30 to 50 volts
Typical Power Range	2,000 to 4,000 watts
Typical Efficiency Range	90 to 95%
Typical Speed Range	6,000 to 10,000 Rpm
Stator	24 slot 8 pole winding
Rotor	8 pole Sm Cobalt
Bearings	Two Ball Bearings
Motor Diameter	3.2 inches
Motor Length	2 inches
Motor Weight	32 oz.
Motor Shaft	3/8 inch diameter
Prop Drive Screw	1/4 inch diameter
Drive Washer	Fits APC E props