Electric Flight in Australia
 

Scorpion 4025-10 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
 
 
 
 
 
 
 
 
 
 
 
  
Back to Scorpion Motors Page
Motor Specifications
Io = 2.32A at 21V
Kv = 512 rpm/volt
R = 0.016 Ohms
Length = 46.2mm
Diameter = 48.7mm
Weight = 304g
Continuous current accepted = 100A
Maximum continuous power = 2000W
Shaft = 6mm carbonised steel (protrudes both ends)
Collet-type prop adaptor and back-mount supplied
Motor fixing = four 4mm bolts supplied
Connectors not fitted to this size
Recommended controller = Scorpion 110A
An LRK (outrunner) brushless motor for R/C aircraft up to 10.0 kg powered by 12-18 cells or 4-6S LiPo; suitable for cabin models, scale models, aerobatic models and gliders - this motor can easily replace .90 two stroke engines. No gearbox is required because of the high torque of this motor type.

All Scorpion 4000 series motors have 3 ball bearings to support the rotating housing.

This is one gutsy motor - capable of high amps and great power output up to 2000W!

The S40 series of motors from Scorpion all have 40mm diameter stators - there are 12 stator arms and 14 magnets in the rotor housing. The stator is 25mm long in this 4025 version. The motor wind is a 10 turn delta wind with 27 strand 0.25mm wire.

Prop for 4S - 19x12"
Prop for 5S - 18x10"
Prop for 6S - 17x10"

Motor guaranteed for two years

Price = $124
Some power recommendations
Prop Prop type Volts Cells Revs per minute Amps Watts In Thrust Grams Recommended controller
Motors that compare to the Scorpion 4025-10:
Atlas 40-10L, 500 KV
Hyperion 4025-10, 560 KV

Watch for prop data on this new motor - coming soon!

Click here to see the full range of Scorpion 4000 motors.