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GT15 Air w/E-4040

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GT15 Air w/E-4040

O.S. Engines OSMG1515 (38160) Airplane Engine Gas
Out of Stock ETA: 02/23/2021

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  • GT15 Air w/E-4040

    This is the O.S. GT15 Gasoline Engine with the E-4040 Muffler.


    IG-06 electronic ignition handles 4-6 cell NiCd, NiMH or 2-cell LiPo
    and LiFe batteries
    Beam mounting design allows engine to fit inside cowls that are
    sized for 2-stroke .60-.91 and 4-stroke .90 glow engines
    Two year limited warranty through Hobby Services beginning at date
    of purchase


    GT15 Gasoline Engine with E4040 Muffler, IG-06 Ignition Module
    CM6 Spark Plug, 61H Carburetor, and Instruction Manual


    2-cycle oil, see SPECS
    Gasoline: Regular, no need to use high octane gasoline
    Ignition Battery: 4.8-8.4V NiCd or NiMH, 6.6V LiFe or 2S 7.4V LiPo
    pack, LiPo battery requires voltage regulator
    Propeller: 13x8-11, 14x8-10, 15x8
    Electric Starter
    Gasoline safe fuel tubing and fuel filter


    Displacement: 0.912 cu in (14.95cc)
    Bore: 1.091" (27.7mm)
    Stroke: 0.976" (24.8mm)
    Practical RPM: 2,000-15,000 RPM
    Weight: 22.26oz (631g) engine
    6.28oz (178g) muffler
    3.35oz (95g) ignition module
    Gasoline/Oil Mixture: 30:1 - 50:1
    25:1 fuel/oil mixture if brand of oil states 50:1 mix
    Carburetor Settings;
    Needle Valve: With engine running, close needle valve as RPM
    increases, close further 60-90° from point where RPM starts to
    decrease, open slowly as RPM increases, then open 90° further
    from maximum RPM point
    Mixture Control Valve; Open one turn, open and close throttle a few
    times to make sure there is no resistance, close mixture control
    valve 30°, repeat open and closing of throttle then open mixture
    control valve approximately 90°
    Width at Mounting Tabs: 2.4" (61mm)
    Width of Crankcase below Mounting Tabs: 1.7" (44mm)
    Length between Mounting Hole Centers: 0.98" (25mm)
    Crankshaft Size: UNF 5/16-24
    Muffler Mounting Angle from center of Engine: 4°
    Needle Valve Mounting Angle from center of Engine: 30°
    Length from Pump to Drive Hub: 4.2" (106.2mm)
    Length from Pump to end of Crankshaft: 5.6" (142mm)
    Length from Pump to center of Crankcase: 1.5" (39.4mm)
    Length from Drive Hub to end of Crankshaft: 1.4" (35.8mm)
    Length/center of engine/opposite side of Muffler: 4.1" (103.3mm)
    Length/center of engine to side of Cylinder Head: 0.96" (24.3mm)
    Length between Muffler Mounting Hole Centers: 1.6" (42mm)
    Length from Crankshaft Center to Muffler Outlet: 4.4" (112.3mm)

  • O.S. Engines GT15 Air w/E-4040 Parts List (0 items)

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