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Home > Electric Motors

Scorpion SII-5525-210 Brushless Airplane Motor

Part Number 199
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Scorpion SII-5525-210 Brushless Airplane Motor
Scorpion SII-5525-210
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$309.00
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Description
The Scorpion SII-55mm Aircraft Motors are the second generation of high efficiency electric motors from Scorpion that are widely used to power 30cc to 50cc size aircraft. The re-designed SII series features a new magnet configuration along with an updated housing design which provides higher efficiency, higher power and less eddy current losses with lower internal resistance than our previous S-55 series.

Scorpion starts with premium materials including high quality aluminum alloy parts that are produced on the latest CNC milling machines. These parts are then gold Electro-coated to provide a beautiful, long-lasting finish. The stators are made by top grade 0.2mm laminations to give maximum efficiency, and minimum Eddy current losses. The stators are epoxy coated to prevent shorts, and are wound with wire that is rated at 180 degrees C (356 F). The magnets used in Scorpion Motors are custom manufactured to be able to withstand high temperatures.

Scorpion Motors are built to last, and are backed with a 2-Year warranty against defects in materials or workmanship.
  • Stator Diameter: 55.0 mm (2.165 in)
  • Stator Thickness: 25.0 mm (0.984 in)
  • Number of Stator Slots: 12
  • Number of Magnet Poles: 14
  • Motor Wind: 17 Turn Delta
  • Motor Kv Value: 210 RPM per Volt
  • No Load Current (Io): 1.11 Amps @ 10 Volts
  • Motor Resistance (Rm) per Phase: 0.026 Ohms
  • Maximum Continuous Current: 90 Amps
  • Motor Weight: 708 grams (24.97 oz.)
  • Outside Diameter: 66.4 mm (2.614 in.)
  • Shaft Diameter: 8.00 mm (0.315 in.)
  • Motor Body Length: 59.8 mm (2.354 in.)
  • Overall Shaft Length: 106 mm (4.173 in.)
  • Max Continuous Power (8-cell Li-Po): 2650 Watts
  • Max Continuous Power (10-cell Li-Po): 2300 Watts
  • Max Continuous Power (12-cell Li-Po): 4000 Watts
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