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KMS

31/12 Brushless Motor 64g 970Kv

High Performance Brushless Motor without the High Performance Price

KMS motors and speed controls are designed for great performance in your airplanes. The KMS engineers designed superb performance without the high price tag. With a full line of products, KMS has products for you.

Perfect replacement for 370, 380, 400, and 480 geared brushed motors. Requires brushless speed control. We recommend the KMS 18A.

Specifications:

  • Size (mm): Ø31.0x28.0
  • Weight: 64g/2.3OZ.
  • Max efficiency: 80%
  • Battery: 2~3 Li-Po
  • Recommended prop:8x4 or 9x4
  • Current: 1.8~13A
  • Voltage: 7.4~11.1v
  • Connectors: 2mm Xtra Gold Plugs

108048

More Information

Informal testing was done on this motor using the Impulse 1320Mah lipo battery, the KMS 18A ESC, and APC and GWS Props. You can expect similar results.
Battery Prop Volts Amps Watts RPM
11.1v lipo 10x3.8 13.77 136 6600
11.1v lipo 9x4.7 10.54 11.46 121 7800
7.4v lipo 10x3.8 7.12 8.3 69 5400
7.4v lipo 10x4.7 7 9.59 66 4900
7.4v lipo 9x4.7 7.32 6.9 49 5800