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  • O. S. Engines .55HZ-R DRS Ring 40L-R

    Product Number OSMG1957
    $0.00

    y Please allow 5-7 days for free in store pick up or flat rate shipping.
    1/10 Desert Truck Rtr
    qty $0.00

    This is the Limited Edition OS 55HZ-R DRS Ringed Helicopter Engine with the DRS (Demand Regulator System). jxs 12/23/10 ir/jxs...*More

    This is the Limited Edition OS 55HZ-R DRS Ringed Helicopter Engine with the DRS (Demand Regulator System). jxs 12/23/10 ir/jxs*Less

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    • DRS system delivers fuel to the regulator under constant pressure for precise fuel delivery throughout the entire tank from full to empty
    • Dual needle 40L-R carburetor allows independent adjustment of idling, hovering and high speed with four arm throttle lever for use with a variety of servo brands HZ Hyper low profile six fin cylinder head
    • Mounting position of DRS is perfectly in line with the carb for consistent operation in all attitudes of flight
    • Same mounting bolt pattern as the OS 50SX-H Hyper
    • Bore:0.91 (23mm)
    • Cylinder Head Diameter:1.8 (47mm)
    • Displacement:0.55 cu in (8.93cc)
    • Distance between mounting holes opposite side:1.73 (44mm)
    • Distance between mounting holes same side:0.68 (17.5mm)
    • Distance between muffler mounting holes:1.4 (37mm)
    • Distance from center of engine to backplate bolt:0.98 (25mm)
    • Distance from center of engine to front bearing:2.03 (51.6mm)
    • Distance from center of engine to throttle lever:1.5 (38mm)
    • Output:2.1 PS, 2.07 HP
    • Practical RPM:2, 000-20, 000 RPM
    • Stroke:0.85 (23.5mm)
    • Weight:15.1oz (429g)
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