O.S. Motors OMA-3820-1200 / .20 - .25 Brushless Motor
R1,809.00 R1,499.00
OMA-3820-1200 .25 Brushless Electric Motor from O.S. Motors.
Features:
* For airplanes using .20 - .25 size 2-stroke engines
* Stainless steel prop shaft
* 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
Specifications:
* Rated Power: 440W
* Rated Voltage: 11.1 - 14.8V
* Rated Current: 30 - 40A
* Maximum Current (10 sec): 75A
* No Load Current: 1.9A
* Phase Resistance: 21.4 miliohms
* Maximum Efficiency: 85%
* kV: 1200
* Poles: 14
* Shaft Diameter: 0.20" (5mm)
* Shaft Length: 0.45" (11.5mm)
* Weight: 5.46oz (155g)
* Lead Wire Length: 3.5" (90mm)
* Length of Motor Can: 1.7" (43.3mm)
* Diameter of Motor Can: 1.47" (37.5mm)
* Length/rear of Motor Can to Prop Washer: 2.3" (58mm)
* Prop Washer Diameter: 0.87" (22mm)
* Thickness of Motor Mount: 0.12" (3mm)
* Width of Motor Mount: 1.96" (50mm)
* Height of Motor Mount: 1.96" (50mm)
Performance for this motor with different props and LiPo cells is as follows (all data with 60A ESC):
Prop Size ESC Max Elec. Current LiPo Cells
9.5 x 7.5 60A 34A 3S
9.5 x 8 60A 35A 3S
9 x 6 60A 48A 4S
9 x 6 60A 31A 3S
10 x 6 60A 37A 3S
10 x 7 60A 42A 3S
11 x 7 60A 50A 3S
12 x 6E 60A 48A 3S
Includes:
.25 Brushless Electric Motor with Backplate, four Phillips Head
Mounting Screws, 3mm Gold Plated Male Plugs attached to leads,
three 3mm Female Plugs with Shrink Wrap, Prop Adapter and
Instruction Sheet
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Model:OM51011000 .25 Brushless