new o.s. max-50sx-hring

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O.S .50 SX-H Ring Helicopter A high-performance power plant for precision heli flying!Developed expressly for F3C M-class competition machines utilizing .50-size engines, the .50 SX-H Ring heli features the same mounting hole spacing as the .46 FX-H Ring engine so upgrading's a breeze.Dual throttle levers offer more positive throttle controlEngine comes equipped with a #8 glow plug and a drive washer specially machined for heli use SPECIFICATIONS: Stock Number: OSMG1950Displacement: 0.499 cu in (8cc)Bore: 0.866 in (22mm)Stroke: 0.847 in (21.5mm)RPM: 2,000-20,000Output: 1.8 hp @ 17,000 rpmWeight: 14.7 oz (413g)Includes: #8 glow plug, special machined drive washer OS 50 SX-H - Developed expressly for F3C M-class competition machines utilizing .50-size engines, the .50 SX-H Ring heli features the same mounting hole spacing as the .46 FX-H Ring engine so upgrading's a breeze.