Electric Flight in Australia

 

Scorpion 2212-885 outrunner motor

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 Peter Pine

PO Box 324
Pottsville Beach 2489
Phone (02) 6676 1437
Fax (02) 6676 2831

E-mail: ppine@northnet.com.au

 
 
 
 
 
 
 
 
 
 
 
 
 
  
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Motor Specifications
Io = 0.41A at 10V
Kv = 885 rpm/volt
R = 0.151 Ohms
Length = 30.0mm
Diameter = 27.9mm
Weight = 58g
Continuous current accepted = 13A
Maximum continuous power = 140W
Shaft = 3mm carbonised steel (protrudes both ends)
Collet-type prop adaptor and back-mount supplied

Motor fixing = four 3mm bolts supplied
Male bullet connectors fitted to motor
Female bullet connectors supplied
A sports LRK (outrunner) brushless motor for small R/C aircraft up to 1.2 kg powered by 7-12 cells or 2-4S LiPo; suitable for cabin models, scale models, aerobatic models and gliders. No gearbox is required because of the high torque of this motor type.

The S22 series of motors from Scorpion all have 22mm diameter stators - there are 12 stator arms and 14 magnets in the rotor housing. The stator is 12mm long in this 2212 version. The motor wind is a 24 turn delta wind with 3 strand 0.21mm wire.

Prop for 2S - 11x7"
Prop for 3S - 10x5"
Prop for 4S - 8x5"

Motor guaranteed for two years

Price: $79

Some power recommendations
Prop Prop type Volts Cells Revs per minute Amps Watts In Thrust Grams Recommended controller
9x6 APC-SF 7 2S 4,899 7A 49 369 Hifei 30A
11x5.5 APC-E 7 2S 4,830 7A 51 460 Hifei 30A
11x7 APC-E 7 2S 4,600 8A 58 474 Hifei 30A
8x6 APC-E 10.5 3S 7,770 8A 89 484 Hifei 30A
9x6 APC-E 10.5 3S 7,470 9A 97 592 Hifei 30A
10x5 APC-E 10.5 3S 7,135 10A 108 705 Hifei 30A
7x5 APC-E 14.0 4S 10,950 8A 115 541 Hifei 30A
8x6 APC-E 14.0 4S 9,530 12A 170 760 Hifei 30A
Motors that compare to the Scorpion 2212-885:
Atlas 2312/26. 920 KV
Axi 2212/26, 920 KV
Dualsky XM2830CA-12, 980 KV
E-Flite Park 400, 920 KV
Himax or Himark HC2812-0850
Hyperion Z2213-24, 850 KV
HXT 28-30B, 1050 KV
Rimfire 28-30-950
Torque 30/980