UK Heli Log

Checkout this new bad-boy from OS. I’m not running a 50 size nitro heli at the moment…maybe I should look into it. The interesting thing about this engine is that it has 3 needles like the OS91, that is a major improvement in terms of tunability.

New OS55hz Engine

Also see: http://heli.brixtonjunkies.com/2009/08/29/os55-hz-unveiled/

1. 3 Needle Engine Tuning Guide (OS91hz)
2. KME 60 Engine
3. KME Diamond .60 PRO Engine (50 Size upgrade)
4. How to Toast an OS91 Engine
5. REVIEW: G-Force 700N Clutch Block Kit with Engine Mounts