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  Electric Motors, Engines & Accessories > Motor & Accessories - R/C Aircraft > Motors R/C - Brushless - Aircraft [View Top Sellers for this Category] Bookmark this Page

O.S. - OSMG9490 OSM51010110 51010110 531028500389 4531028500389
Manufacturer Stock#
51010110
A Closer Look at This Product
  Tech Notes

Replacement & Optional Parts

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O.S. Brushless Motor 2810-1250
 
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O.S. Brushless Motor 2810-1250
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Parts Saver Eligible:Yes

Stock Number
OSMG9490
Retail Price
94.99
Tower's Low Price
$79.99
Stock Status
In Stock
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Quantity Discount
  Special Savings When Buying in Quantities
 
Special Stock Number Units at this Price Tower's Low Price Click to Order Quantity Discount Savings
 L5DRBY02
O.S. Brushless Motor 2810-1250 Add to Wish List
152.78  Buy Now 7.20  
 L5DRBY03
O.S. Brushless Motor 2810-1250 Add to Wish List
227.97  Buy Now 12.00  
 L5DRBY06
O.S. Brushless Motor 2810-1250 Add to Wish List
453.54  Buy Now 26.40  

Tech Notes
 
NOTES FROM OUR TECH DEPARTMENT
    This is the 2810-1250 .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: 14A Maximum Current (5 sec): 20A No Load Current: 0.6A/10V Phase Resistance: 94 miliohms Phase Inductance: 30 Maximum Efficiency: 75% kV: 1250 Poles: 14 Turns: 22 Shaft Diameter: 0.12" (3mm) Shaft Length: 0.27" (7mm) front & rear Weight: 1.8oz (51g) Lead Wire Length: 1.6" (40mm) Lead Wire Gauge: 17AWG Length of Motor Can: 1.1" (28mm) Diameter of Motor Can: 1.1" (28mm) Length/rear of Motor Can to Prop Washer: 1.5" (37.5mm) 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 9x6SF 8.4V 18.4A 155 0.72kg 2S 6,650 10x3.8SF 8.4V 17.3A 145 0.84kg 2S 6,950 10x4.7SF 8.4V 19.0A 160 0.83kg 2S 6,650 11x3.8SF 8.4V 19.6A 165 0.90kg 2S 6,450 11x4.7SF 8.4V 22.0A 185 0.87kg 2S 5,850 11x7SF 8.4V 27.0A 227 1.05kg 2S 5,320 9x7.5E 8.4V 16.0A 134 0.65kg 2S 7,110 8x4 12.6V 14.0A 176 0.89kg 3S 12,350 8x5 12.6V 15.7A 198 0.95kg 3S 11,950 8x6 12.6V 18.3A 231 0.84kg 3S 11,450 9x6E 12.6V 24.0A 302 1.16kg 3S 10,100 9x7E 12.6V 27.0A 340 1.08kg 3S 9,150 10x5E 12.6V 25.0A 315 1.30kg 3S 9,930 9x6SF 12.6V 32.0A 403 1.21kg 3S 8,600 10x3.8SF 12.6V 30.0A 378 1.31kg 3S 8,700

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

– If you need more information, use these O.S. resources –
Email: enginesupport@hobbico.com
Web Site: http://www.osengines.com/
Phone: 217-398-8970
  Postal Address:
O.S.
3002 N. APOLLO DRIVE, SUITE #1
CHAMPAIGN, IL 61822

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