Electric Flight in Australia
 

Scorpion 3008-28 outrunner motor
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 Peter Pine

PO Box 1050
Kingscliff 2487
Phone (02) 6676 1437
Fax (02) 6676 2831

E-mail: ppine@northnet.com.au
 
 
 
 
 
 
 
 
 
 
 
 
 
  
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Motor Specifications
Io = 1.53A at 10V
Kv = 1253 rpm/volt
R = 0.072 Ohms
Length = 25.9mm
Diameter = 37.5mm
Weight = 85.5g
Continuous current accepted = 30A
Maximum continuous power = 400W
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 & backmount supplied
Recommended controller = Scorpion 35A
A sports LRK (outrunner) brushless motor for small R/C aircraft up to 1.8 kg powered by 10-12 cells or 3-4S 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 8mm long in this 3008 version. The motor wind is a 28 turn delta wind with 10 strand 0.19mm wire.

Prop for 3S - 10x5."
Prop for 4S - 8x4"
Prop for 5S - 7x5"

Motor guaranteed for two years

Price now = $65
Some power recommendations
Prop Prop type Volts Cells Revs per minute Amps Watts In Thrust Grams Recommended controller
10x7 APC 10.5 3S 8,550 27A 280 1228 Scorpion 35A
11x5.5 APC 10.5 3S 8,300 28A 292 1370 Scorpion 35A
11x7 DD GWS 10.5 3S 7,875 29A 303 1349 Scorpion 35A
8x6 APC 14.0 4S 12,225 29A 410 1233 Scorpion 35A
9x6 APC 14.0 4S 11,625 31A 439 1565 Scorpion 35A
Motors that compare to the Scorpion 3008-28:
Atlas 2909/20, 1240 KV
Axi 2808/20, 1490 KV
Dualsky XM3530CA-12, 1200 KV
Hacker A30-22S, 1440 KV
Himax HC3510-1540
Hyperion Z3007-26, 1240 KV
HXT 35-30B, 1400 KV
Rimfire 35-30-1250
Thunder tiger OBL 36/12-25A, 1240 KV

Click here for more information on the Scorpion 3008-28.

Click here for a more extensive Prop Data chart for the Scorpion 3008-28.