Electric Flight in Australia

 

Scorpion SII-3020-1110 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 = 2.08A at 10V
Kv = 1110 rpm/volt
R = 0.016 Ohms
Length = 45.7mm
Diameter = 37.5mm
Weight = 166g
Continuous current accepted = 60A
Maximum continuous power = 840W
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 8 turn delta wind with 17 strand 0.25mm wire.

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

Motor guaranteed for two years

Price = $159 - in stock now!

Some power recommendations
Prop Prop type Volts Cells Revs per minute Amps Watts In Thrust Grams Recommended controller
10x5 APC 10.5 3S 10,550 29 302 1584 Scorpion 45A
12x8 APC 10.5 3S 8,925 63 660 2222 Scorpion 70A
13x6.5 APC 10.5 3S 8,625 69 726 2975 Scorpion 90A
9x6 APC 14.0 4S 13,750 41 570 2186 Scorpion 55A
10x7 APC 14.0 4S 12,650 61 850 2720 Scorpion 90A
Motors that compare to the Scorpion 3020-1110:
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