O.S. .52 Brushless Motor 5010-810

Tower Stock# LXCNVR  •  Manufacturer Stock# 51012901
O.S. .52 Brushless Motor 5010-810 (large view)
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Notes from our tech department:
This is the .52 5010-810 Brushless Electric Motor from O.S. Motors.

FEATURES

For airplanes using a four-stroke .52 cu in (8.5 cc) engine
Centrifugal fan design with angled ventilation holes draws air
through the motor and across the windings and magnets for improved
cooling
Two year limited warranty through Hobby Services beginning at date of
purchase

INCLUDES

.52 Brushless Electric Motor with Backplate, four Phillips Head
Mounting Screws, 4mm Gold Plated Male Plugs attached to leads,
three 4mm Female Plugs with Shrink Wrap, Prop Adapter and
Instruction Sheet

REQUIREMENTS

90A brushless ESC

SPECIFICATIONS

Rated Power: 700W
Rated Voltage: 14.8V
Rated Current: 45A
Maximum Current (10 sec): 80A
No Load Current: 1.8A
Phase Resistance: 24.5 miliohms
Maximum Efficiency: 85%
kV: 810
Poles: 14
Shaft Diameter: 0.24" (6mm)
Shaft Length: 0.46" (11.7mm)
Shaft Thread Pitch: M8 x 1.0
Weight: 8.3oz (234g)
Lead Wire Length: 4.3" (110mm)
Length of Motor Can to Backplate: 1.7" (42.5)
Diameter of Motor Can: 1.98" (50mm)
Length/rear of Motor Can to Prop Washer: 2.3" (58mm)
Prop Washer Diameter: 1.06" (27mm)
Thickness of Motor Mount: 0.20" (5mm)
Width of Motor Mount: 2.7" (68mm)
Height of Motor Mount: 2.7" (68mm)

Performance for this motor with different props and LiPo cells is as
follows (all data with 80A ESC):
Prop Size Current LiPo Cells Wattage Thrust RPM
12 x 8E 51A 4S 857W 3.2kg 10,300
12 x 10E 54A 3S 680W 1.7kg 7.380
13 x 6.5E 55A 4S 924W 3.7kg 10,150
13 x 8E 62A 4S 1,042W 3.7kg 9,930
13 x 10E 78A 4S 1,310W 3.6kg 9,370
14 x 7E 70A 4S 1,176W 4.0kg 9,650
14 x 10E 54A 3S 680W 2.7kg 7,380
15 x 7E 79A 4S 1,327W 3.6kg 7,900
10 x 5E 42A 3S 529W 1.8kg 12,200
10 x 7E 53A 3S 668W 2.6kg 11,500
11 x 5.5E 54A 3S 680W 2.4kg 11,500
11 x 7E 62A 3S 781W 2.7kg 10,900
12 x 6E 66A 3S 832W 2.8kg 10,400
12 x 8E 75A 3S 945W 2.5kg 9,300

COMMENTS

Nomenclature is defined as follows:
0MA denotes 0.S. airplane motor
First two digits are the rotor diameter
Second two digits are the length of the magnets
Last digits indicate the kV of the motor

jxs 11/07/12
ir/jxs

Resources
‐ Manufacturer's Web Page ‐
‐ Mailing Address ‐
‐ Additional Contact Information ‐