Electric Flight in Australia

 

Scorpion 3020-12 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 = 2.46A at 10V
Kv = 1088 rpm/volt
R = 0.030 Ohms
Length = 37.9mm
Diameter = 37.5mm
Weight = 157g
Continuous current accepted = 57A
Maximum continuous power = 800W
Shaft = 5mm 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 = Scorpion 55A
A sports LRK (outrunner) brushless motor for small R/C aircraft up to 3.0 kg powered by 10-16 cells or 3-5S LiPo; suitable for cabin models, scale models, aerobatic models and gliders. No gearbox is required because of the high torque of this motor type.

All Scorpion 30mm motors have 3 ball bearings to support the rotating housing.

The S30 series of motors from Scorpion all have 30mm diameter stators - there are 12 stator arms and 14 magnets in the rotor housing. The stator is 20mm long in this 3020 version. The motor wind is a 12 turn delta wind with 20 strand 0.21mm wire.

Prop for 3S - 12x8"
Prop for 4S - 10x7"
Prop for 5S - 9x6"

Motor guaranteed for two years

No longer available

Some power recommendations
Prop Prop type Volts Cells Revs per minute Amps Watts In Thrust Grams Recommended controller
10x5 APC 10.5 3S 9,775 24 250 1389 Scorpion 35A
12x8 APC 10.5 3S 8,075 50 528 1905 Scorpion 55A
13x8 APC 10.5 3S 7,650 57 598 2402 Scorpion 70A
9x6 APC 14.0 4S 12,650 33 461 1916 Scorpion 45A
10x7 APC 14.0 4S 11,800 49 689 2479 Scorpion 55A
Motors that compare to the Scorpion 3020-12:
Atlas 2921/08, 1180 Kv
Axi 2820/10, 1200 Kv
Dualsky XM3548CA-4, 1080
KV
Hacker A30-10L, 1185 Kv
Hyperion Z3019-10, 1070 Kv

HXT 35-42C, 1000 Kv