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Ships within 48 hours · Estimated delivery Aug 6 - Aug 11
● Input voltage: 6-14s lipo
Transmitter Options
- Capacity: 4500mAh
The design is reducing blade noise and power loss
O.S. Speed 91HZ-R 3D Helicopter Engine NOUSPS ● Input voltage: 6-14s lipoFollowing 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 you away! Features: Lightweight, machined heat sink head Big bore carburettors best suited for the intended use (F3C or 3D) Best precision advanced exhaust cylinder