These are the engines that precision aerobatic and 3D heli pilots have been waiting for! In order to nail huge maneuvers and smackdown-style 3D with your 90-sized machine your engine has to have power, and both the 105HZ and 105HZ-R deliver. Displacement has been increased by 15%, while a huge...
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Tag Archives: O.S. Engines
3D and F3C Helicopter Pilots—Get Ready for Power and Speed
Following the popularity of the 91HZ-R with On-Demand Regulator, O.S. has now taken high-performance, high-speed helicopter engines to the next stage of evolution. Introducing the 91HZ-R Speed Engines—based on the 91HZ-R, factory-tuned at the O.S./Japan facilities and guaranteed to blow...
High-Powered Brushless Motors from O.S. – Coming Soon!
With the introduction of its new brushless motor line, O.S. confirms its standing as R/C’s most innovative and respected source for all model power needs. O.S. brushless motors will be the “gold standard” in electric power, offering the same...
O.S. Engine® 55HZ-R Heli Engine
Demanding 3D helicopter flying, with constant, vigorous attitude and throttle changes, requires an engine with a steady, dependable fuel supply. O.S. answers the call with the 55HZ-R Heli Engine, featuring the Demand Regulator System (DRS) for instantaneous response and outstanding...