O.S. brushless motors

Brand: O.S.

Overall:
4
Ease of assembly:
5
Build quality:
5
Flight performance:
5
Value for money:
4

READER REVIEWS
Charles Lee  |  Jan 11, 2014

Strengths:
Built in cooling is very effective. The prop mount is best I've seen. . .
Weaknesses:
Could be a little cheaper. . . .
Overall:
Great motor ESC combination. I have fitted a 5025-375 & 100A ESC in the new Hangar 9 Razor back on 6 cells turning a 17X11 APC prop. The speed is as good as any IC engine. .

Overall:
4
Ease of assembly:
5
Build quality:
5
Flight performance:
5
Value for money:
4
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