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O.S. - OSMG9494 OSM51010310 51010310 531028500402 4531028500402
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O.S. Brushless Motor 2820-950
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O.S. Brushless Motor 2820-950
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Special Stock Number Units at this Price Tower's Low Price Click to Order Quantity Discount Savings
O.S. Brushless Motor 2820-950 Add to Wish List
190.98  Buy Now 9.00  
O.S. Brushless Motor 2820-950 Add to Wish List
284.97  Buy Now 15.00  
O.S. Brushless Motor 2820-950 Add to Wish List
566.94  Buy Now 33.00  

Tech Notes
     This is the 2820-950 .28 Brushless Electric Motor from O.S. Motors.

FEATURES: For .28 size airplanes Stainless steel prop shaft One front bearing Rigid rear mounting design 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: .28 Brushless Electric Motor with Backplate, four 3x4mm Mounting Screws, 3mm Gold Plated Male Plugs attached to leads, three 3mm Female Plugs with Shrink Wrap, Prop Adapter and Instruction Sheet

REQUIRES: 30A brushless ESC such as the O.S. OCA-230 30A 25V, OSMM1110

SPECS: Rated Voltage: 11.1 Rated Current: 22A Maximum Current (5 sec): 30A No Load Current: 0.9A/10V Phase Resistance: 72 miliohms Phase Inductance: 24 Maximum Efficiency: 80% kV: 950 Poles: 16 Turns: 14 Shaft Diameter: 0.12" (3mm) Shaft Length: 0.27" (7mm) front & rear Weight: 2.8oz (80g) Lead Wire Length: 1.6" (40mm) Lead Wire Gauge: 17AWG Length of Motor Can: 1.4" (36.5mm) Diameter of Motor Can: 1.1" (28mm) Length/rear of Motor Can to Prop Washer: 1.8" (46.7mm) Prop Washer Diameter: 0.63" (16mm) Thickness of Motor Mount: 0.078" (2mm) Width of Motor Mount: 1.6" (40mm) Height of Motor Mount: 1.6" (40mm)

Performance for this motor with different props and LiPo cells is as follows (all data with O.S. OCA ESCs, and APC props): Prop Size Voltage Current Watts Thrust Cells RPM 9x6E 12.6V 17.5A 221 1.07kg 3S 9,700 9x7.5E 12.6V 21.5A 271 1.06kg 3S 9,100 10x5E 12.6V 18.5A 233 1.22kg 3S 9,580 10x7E 12.6V 23.5A 296 1.29kg 3S 8,850 11.5.5E 12.6V 23.0A 290 1.49kg 3S 8,900 11x7E 12.6V 27.2A 343 1.53kg 3S 8,370 11x8.5E 12.6V 31.0A 391 1.51kg 3S 7,900 12x6E 12.6V 28.0A 353 1.71kg 3S 8,200 12x8E 12.6V 34.0A 428 1.73kg 3S 7,600 9x6SF 12.6V 25.7A 324 1.27kg 3S 8,600 10x3.8SF 12.6V 24.5A 309 1.35kg 3S 8,830 10x4.7SF 12.6V 25.0A 315 1.39kg 3S 8,610 10x7SF 12.6V 33.0A 416 1.52kg 3S 7,450 11x3.8SF 12.6V 28.0A 353 1.52kg 3S 8,350 11x4.7SF 12.6V 31.5A 397 1.52kg 3S 7,750 11x7SF 12.6V 38.0A 479 1.75kg 3S 6,870

COMMENTS: Nomenclature is defined as follows: 0MA means 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 11/18/13 ir/jxs

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