O.S. Max 75AX Two Stroke Glow Engine
O.S. Max 75AX Two Stroke Glow Engine
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In 1936, Shigeo Ogawa set up his original machine-shop, making model steam engines. At the same time the first 1.6 cc O.S. Type-1 miniature gasoline engine was made. 200 production models sold under the name “Pixie” were exported. A short time later the O.S. brand came about. For all these years, OS Engines have been a recognizable name of power, reliability, cutting edge design and quality in the model engine arena. From their much loved “Max” series, to their unique Wankel rotary engine, to the powerful O.S. Speed series engines, they have something for everyone. HobbyKing is proud to be able to bring a wide selection of the latest O.S. Engines to you.
The 75AX is the next generation of "60 size" class airplane engines. It features the same bolt pattern as the original 61FX though boasts almost an a half a horsepower more! The 61A carburetor has an angled back needle valve which keeps your fingers much further away from a spinning propeller. Twin ball bearings support the hardened steel crankshaft for the ultimate in efficiency. Includes new 4040 Power Box™ muffler which increases volume for greater power, while at the same time being very compact. Angular head design looks great and significantly increases surface area for better cooling. This ABL (Advance Bimetallic Liner) sleeved engine will provide years of power and reliability. Fuel for this engine is recommended to use 5~20% nitro, with at least 18% oil content.
Features:
• Same bolt pattern as original O.S. 61FX, though almost half a horsepower more!
• Angular head design looks great while increasing surface area for better cooling
• Backward angled needle valve for easier and safer access
• Twin ball bearing supported hardend steel crankshaft
• Includes the new Power Box™ muffler, designed with more volume for increased power while still being very compact
• Advanced Bimetallic Liner (ABL) coating developed specifically by O.S.
Specs:
Displacement: 0.75 cu in (12.3 cc)
Bore: 1.02 in (25.8 mm)
Stroke: 0.93 in (23.5 mm)
Practical rpm: 2,000-16,000
Output: 2.37 hp @ 15,000 rpm
Weight: 20.39 oz (578g) w/o muffler
26.46 oz (750g) w/ muffler
Recommended Props: 14x6, 14x8, 15x7
Includes:
#8 Glow plug
Power Box E-4040 muffler
Needle Extension Cable Set
