O.S. OMA-5020-490 Brushless Motor

Brand: OS Engines

Part Number: M-OS51013000

£133.49 Web Price RRP £149.99

Shadow stock: Usually ships within 2 days

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Legendary O.S. quality in a brushless electric motor! This one is intended as a replacement of .40 – .50 class 2 stroke and .70 class 4 stroke engines, using 5 or 6 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 4mm gold connectors as standard accessories.


Propeller
LiPo Cell
Current
Wattage
Thrust
R.P.M.
14x7E
6 cell
33A
792W
3.7kg
9150
14x8
6 cell
45A
1080W
3.9kg
8870
14x10
5 cell
40A
800W
3.4kg
7400
14x10
6 cell
55A
1320W
4.5kg
8500
15x8E
6 cell
50A
1200W
4.5kg
8600
15x10E
5 cell
42A
840W
4.2kg
7350
15x10E
6 cell
59A
1416W
5.4kg
8380
16x8E
6 cell
58A
1392W
5.2kg
8370
16x10E
5 cell
51A
1020W
4.7kg
7100
16x10E
6 cell
70A
1680W
6.1kg
8100
16x12E
5 cell
71A
1420W
4.6kg
6400

Specification
Weight: 350g
Resistance: 23 mOhms
Max Current: 90A for 10 secs
Current Range: 50 – 60A
ESC Timing Degrees: 20 – 30 Degrees
Bearings: 3
Turns: 16
KV RPM: 490
Power Output: 1110W
Nominal Voltage: 18.5 – 22.2v (5 – 6S Li-po)
No Load Current: 1.5A
Max Efficiency: 85%
Shaft Length: 11.5mm
Shaft dia: 6mm

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