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O.S. OMA-3820-1200W

O.S. OMA-3820-1200W
O.S. OMA-3820-1200W
Out Of Stock
O.S. OMA-3820-1200W
O.S. OMA-3820-1200W
O.S. OMA-3820-1200W

Legendary O.S. quality in a brushless electric motor! This one is intended as a replacement of .25 class 2 stroke engines using 3 or 4 cell Li-Po packs and will provide strong, linear power.
This new range of brushless motors features a unique. O.S. designed cooling system, a strengthened centre body and large ball bearings. The propeller driver has been machined from stainless steel for both strength and durability.
Each motor is balanced during manufacture for optimum running and reliability.
Supplied with a rear mount and 3.5mm gold connectors as standard accessories.

* New O.S. BRUSHLESS motor series
* Well-known high-precision O.S. production quality
* Ideal as drive for motorised RC models
* Optimum cooling system integrated
* Supplied complete with accessories such as aircraft propeller hub with clamping cone, motor bracket with retaining screws as well as gold-plated bushings with heatshrink tubing


Connecting plug G 3,5
Number of poles 14
Operating voltage range 11,1...14,8V
Diameter 37,5 mm
Recommended controller 60-70A
Free shaft length 11,5 mm
Case length 43,3 mm
Maximum efficiency 85 %
Case diameter  37,5 mm
All-up weight approx. 155 g
Overall length approx. 59 mm
Output 428 W
Max. output at nominal voltage 652 W at 14,8 V
Thrust in N (1 N = 100 g) 17
Recommended propeller 11x5
Max. charging rate 75 A
Revolutions/Volt 1200
Shaft diameter 5 mm
Turns 10
Permissible motor direction R and L


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Ex Tax: 65.49€
  • Stock: Out Of Stock
  • Reward Points: 80
  • Model: OS-OMA-3820-1200W
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