O.S ENGINES OMA 5010-810

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

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 milliohms

Maximum Efficiency: 85%

kV: 810

Poles: 14

Shaft Diameter: 0.24" (6mm)

Shaft Length: 0.46" (11.7mm)

Weight: 8.3oz (234g)

Lead Wire Length: 4.3" (110mm)

Length of Motor Can to Back plate: 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