Electric Flight in Australia

 

Scorpion SII-2212-960 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 = 0.51A at 10V
Kv = 885 rpm/volt
R = 0.139 Ohms
Length = 24.7mm
Diameter = 20.0mm
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
Recommended controller = Hifei 25A
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 22 turn delta wind with 4 strand 0.21mm wire.

Prop for 2S - 11x7"
Prop for 3S - 9x5"
Prop for 4S - 8x4"

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
9x7.5 APC-E 7 2S 5,390 10A 60 347 Hifei 30A
11x5.5 APC-E 7 2S 5,215 9A 65 545 Hifei 30A
11x7 APC-E 7 2S 4,920 10A 74 543 Hifei 30A
8x6 APC-E 10.5 3S 8,410 10A 111 580 Hifei 30A
9x4.5 APC-E 10.5 3S 8,480 10A 109 704 Hifei 30A
9x6 APC-E 10.5 3S 8,080 12A 124 699 Hifei 30A
7x5 APC-E 14.0 4S 11,790 10A 145 637 Hifei 30A
8x4 APC-E 14.0 4S 11,380 12A 166 830 Hifei 30A