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OS55 HZ Unveiled

August 29th, 2009 No comments

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New OS55max HZ Engine

June 18th, 2009 No comments

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

New OS55hz Engine

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

Categories: Engines, General Discussion Tags: ,