Electric Flight in Australia

 

Scorpion SII-2205-1900 outrunner motor

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 Peter Pine

PO Box 324
Pottsville Beach 2489
Phone (02) 6676 1437
Mobile (0407) 732 440

E-mail: ppine@northnet.com.au

 
 
 
 
 
 
 
 
 
  
Back to Scorpion Motors Page
Motor Specifications
Io = 0.56A at 10V
Kv = 1900 rpm/volt
R = 0.128 Ohms
Length = 23mm
Diameter = 27.9mm
Weight = 35.4g
Continuous current accepted = 12A
Maximum continuous power = 130W
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 ESC
A sports LRK (outrunner) brushless motor for small R/C aircraft up to 0.6 kg powered by 6-10 cells or 2-3S 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 5mm long in this 2205 version. The motor wind is a 28 turn delta wind. Motor timing 5-10 degrees at 8 KHz.

Motor supplied with 3.5mm bullet connectors, a cross-style backplate mount with 4 screws, and a 5mm OD threaded shaft prop adaptor for APC style propellers.

Prop for 2S - 7x4"
Prop for 3S - 4.75x5.5"

Motor guaranteed for two years

Now in stock - $59

Some power recommendations
Prop Prop type Volts Cells Revs per minute Amps Watts In Thrust Grams Recommended controller
7 x 4E APC 7.4 2S 9,824 9.0A 66 380 Hifei 25A
6x4E APC 7.4 2S 11,160 6.4A 47 253 Heifei 25A
4.75x5.5E APC 11.1 3S 15,965 9.0A 99 225 Hifei 25A
6x3 DD 11.1 3S 16,491 8.0A 88 458 Hifei 25A