Electric Flight in Australia

 

Scorpion 3020-780 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 = 1.21A at 10V
Kv = 780 rpm/volt
R = 0.030 Ohms
Length = 45.7mm
Diameter = 37.5mm
Weight = 166g
Continuous current accepted = 40A
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 = Hifei ESC
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 11 strand 0.25mm wire.

Prop for 3S - 14x7"
Prop for 4S - 12x6"
Prop for 5S - 11x5.5"

Motor guaranteed for two years

Price = $159 in stock

Some power recommendations
Prop Prop type Volts Cells Revs per minute Amps Watts In Thrust Grams Recommended controller
12x6 APC-E 10.5 3 7,250 20 204 1395 Scorpion 35A
13x8 APC-E 10.5 3 6,750 30 311 1775 Scorpion 45A
14x7 APC-E 10.5 3 6,575 34 349 2077 Scorpion 45A
11x7 APC-E 14.0 4 9,275 31 428 2011 Scorpion 45A
12x6 APC-E 14.0 4 9,100 34 475 2356 Scorpion 45A
Motors that compare to the Scorpion 3020-780:
Dualsky XM3548CA-6, 720
KV
Himax HC3522-0700V

Torque 2814-820