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O.S. - OSMG9515 OSM51010916 51010916 531028500129 4531028500129
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O.S. .15 Brushless Outrunner Motor 3815-1000
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O.S. .15 Brushless Outrunner Motor 3815-1000
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Instruction Manuals: Manual 1 (2 MB)
Parts Saver Eligible:Yes
Tower Catalog Page: 63

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O.S. .15 Brushless Outrunner Motor 3815-1000 Add to Wish List
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Tech Notes
This is the .15 OMA-3815-1000 Brushless Electric Motor from O.S. Motors.


For .15 size airplanes
Stainless steel prop shaft
Rigid rear mounting design
Two year limited warranty through Hobby Services beginning at date of


.15 Brushless Electric Motor with Backplate
Propeller Adapter
3.5mm Gold Plated Male Plugs attached to leads
Three 3.5mm Female Plugs with Shrink Wrap
Instruction Sheet


50 - 70A brushless ESC
Slow flyer type electric propeller from 9x6 to 12x6 in size
depending on specific aircraft


Rated Voltage: 11.1
Rated Current: 35A
Maximum Current (5 sec): 60A
No Load Current: 1.1A
Phase Resistance: 36.5 miliohms
Maximum Efficiency: 85%
kV: 1000
Turns: 16
Poles: 14
Shaft Diameter: 0.16" (5mm)
Shaft Length: 0.46" (11.7mm)
Weight: 4.6oz (130g)
Lead Wire Length: 1.96" (50mm)
Lead Wire Gauge: 17AWG
Length of Motor Can: 1.5" (37.8mm)
Diameter of Motor Can: 1.45" (37mm)
Prop Washer Diameter: 0.78" (20mm)
Thickness of Motor Mount: 0.118" (3mm)
Width of Motor Mount: 1.96" (50mm)
Height of Motor Mount: 1.96" (50mm)


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 01/11/12

– If you need more information, use these O.S. resources –
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Email: enginesupport@hobbico.com
Web Site: http://www.osengines.com/
Phone: 217-398-8970
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