Electric Flight in Australia

Scorpion 3026-710 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 = 1.56A at 10V
Kv = 710 rpm/volt
R = 0.022 Ohms
Length = 51.7mm
Diameter = 37.5mm
Weight = 205g
Continuous current accepted = 60A
Maximum continuous power = 1000W
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 = Hyperion 70A

An LRK (outrunner) brushless motor for R/C aircraft up to 3.5 kg powered by 7-16 cells or 2-5S LiPo; suitable for cabin models, scale models, aerobatic models and gliders - this motor would work well in competition gliders with a large prop - use the 110A speed controller if you are going to push this motor. 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 26mm long in this 3026 version. The motor wind is a 9 turn delta wind with 16 strand 0.25mm wire.

Prop for 2S - 16x10"
Prop for 3S - 14x7"
Prop for 4S - 12x6"
Prop for 5S - 10x7"

Motor guaranteed for two years

Price = $129 (new stock only)

Some power recommendations**
Prop	Prop type	Volts	Cells	Revs per minute	Amps	Watts In	Thrust Grams	Recommended controller
13x6.5	APC	10.5	3S		36A	365		Hyperion 60A
15x7	APC	10.5	3S		50A	525		Hyperion 70A

Prop figures above:
Are actual measurements taken with this motor fitted to my E-Flite Beaver cabin model. The model is 1.8m wingspan and weighs 2.36kg. I tried a 15x7" prop on 3S first and the Beaver flew like a pylon racer. I stepped back to the 13x6.5" and I now fly on full throttle for take-off and half-throttle during the flight. Measurements with the 13x6.5" were taken with a partly depleted battery using an Emeter, so real figures may be a little higher.

Motors that compare to the Scorpion 3026-710:
Atlas 2927/10, 740 KV
Axi 2826/12, 760 KV
Dualsky XM4250CA-6, 840 KV
Hacker A30-12XL, 770 KV
Himax HC3528-0800
Hyperion Z3025-10, 815 KV
HXT 35-48C, 800 KV
Rimfire 35-48-850
Thunder Tiger OBL36/07-46A, 740 KV
Torque 2814-605
E-Flite Power 32, 770 KV

Manufacturer's Power Recommendations Below

Some power recommendations*
Prop	Prop type	Volts	Cells	Revs per minute	Amps	Watts In	Thrust Grams	Recommended controller
12x6	APC	10.5	3S	7,250	23A	235	1550	Hyperion 60A
14x7	APC	10.5	3S	6,575	38A	398	2300	Hyperion 60A
12x6	APC	14.0	4S	9,125	39A	544	2400	Hyperion 60A
13x8	APC	14.0	4S	8,475	56A	775	2850	Hyperion 70A