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KMS 31/21 Brushless Motor 51g 1750Kv

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 INFORMATION
HP ITEM NUMBER:
108025
DESCRIPTION:
KMS 31/21 Brushless Motor 51g 1750Kv
MFR. NUMBER:
KMS108025

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KMS 31/21 Brushless Motor 51g 1750Kv - Item No. 108025

MORE INFORMATION   ACCESSORY ITEMS

 

KMS 31/21 Brushless Motor 51g 1750Kv

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.

High Performance Brushless Motor without the High Performance Price

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

Specifications:

  • Size: 31 x 28 (mm)
  • Weight: 51g/1.8oz.
  • Max Efficiency: 80%
  • Battery: 2-3 Cell Lipo
  • Recommended Prop: 8 x 4, 9 x 4
  • Current:1.3-13A
  • Voltage: 7.4 - 11.1
  • Shaft Dia: 3mm
  • Prop Adaptor: 5mm
  • Connectors: 2mm Gold Xtra Plugs

    •
    BUY NOW

    Only $18.99
    In Stock!

    Recommended Accessory Items
    Not all items may be necessary and experienced modelers may already have some of these items.
       Order No.  Mfr. No.  Description M.O. Stock Order Price 
    608931 LP09047 APC 9 x 4.7 Slow Flyer Propeller In Stock
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    More Information About the 31/21 Brushless Motor 51g 1750Kv

    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 10.72 9.69 104.5 6200
    11.1v lipo 10.4.7 10.62 11.25 115.6 5700
    11.1v lipo 9x4.7 11.6 7.94 86.9 7200
    11.1v lipo 9x6 10.63 10.77 112.6 5800
    7.4v lipo 9x6 7.46 6.44 46.9 4600
    7.4v lipo 10x3.8 7.57 5.87 44 4900
    7.4v lipo 10x4.7 7.46 6.67 49.6 4500
    7.4v lipo 9x4.7 7.64 4.72 34.3 5400



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