Central Hobbies

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Central Hobbies
1401 Central Avenue
Billings, MT 59102

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Part#: OSMG9531
O.S. .30 Brushless Motor OMA3825-750W
Product Details:


.30 Brushless Electric Motor with Backplate, four Phillips Head
Mounting Screws, 3.5mm Gold Plated Male Plugs attached to leads,
three 3.5mm Female Plugs with Shrink Wrap, Prop Adapter and
Instruction Sheet


60A brushless ESC


Rated Power: 1110W
Rated Voltage: 14.8
Rated Current: 40A
Maximum Current (5 sec): 75A
No Load Current: 1.5A/10V
Phase Resistance: 31.0 miliohms
Maximum Efficiency: 85%
kV: 750
Poles: 12
Shaft Diameter: 0.20" (5mm)
Shaft Length: 0.45" (11.5mm)
Weight: 6.9oz (195g)
Lead Wire Length: 3.5" (900mm)
Lead Wire Gauge: 15 AWG
Length of Motor Can to Backplate: 1.9" (48.3mm)
Diameter of Motor Can: 1.5" (37.5mm)
Length/rear of Motor Can to Prop Washer: 2.7" (69mm)
Prop Washer Diameter: 1.06" (27mm)
Thickness of Motor Mount: 0.12" (3mm)
Width of Motor Mount: 1.9" (50mm)
Height of Motor Mount: 1.9" (50mm)
Prop adapter threads: 1/4 x 28

Propeller Data Chart-all figures are from a 4S LiPo and 16.8V
Propeller Current Wattage Thrust RPM
10x7 30A 504 2.0kg 11,000
11x6 36A 605 2.1kg 10,700
11x7E 37A 622 2.5kg 10,500
12x6E 40A 672 2.8kg 10,400
12x8E 48A 806 3.4kg 10,000
13x8E 60A 1,008 3.8kg 9,400
14x7E 65A 1,092 3.9kg 9,100
15x7E 79A 1,327 3.6kg 7,900


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

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