MAX-91SZ-H RING PS-HYPER   The next generation O.S. MAX-91SZ-H RING PS-HYPER will be produced in March 2006.   The next generation O.S. MAX-91SZ-H RING PS-HYPER will be produced in March 2006. FEATURES A crankcase specially designed for helicopter use ensures high rigidity and stable power though out the full power range. O.S.’s original PD-07 pump and regulator system ensures stable flight through out all 3D maneuvers where the fuel level can vary significantly. A carbon material is used for pump isolation plate which reduces heat conduction and vibration to the pump. The new 60M-P carburetor with twin mixture needles has the regulator incorporated as part of the carburetor. The large blue anodized, machined, heat-sink head effectively radiates excessive heat. A Laurel design has been laser marked on the top to symbolize victory.   Intended for 3D flight with 90 size helicopters Equipped with O.S.’s original PD-07 pump and regulator system MAX-91SZ-H RING PS-HYPER   Displacement 14.95cc Bore 27.7mm Stroke 24.8mm Practical RPM 2000 - 16000 rpm Power Output 3.3ps / 15000rpm Weight 605gr   PD-07 Pump System The pump feeds fuel stably irrespective of violent changes of model attitude. A carbon material is employed to reduce heat conduction and vibration to the pump.   Carburetor & Regulator System The 60M-P carburetor with twin needles enables adjustment of the hovering range and the ‘ in the air flight’ independently. The regulator regulates fuel pressure sent from the pump keeping the pressure at a set level ensuring stable performance through out the entire rpm range.

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