This is the OS Engines 75AX .75 ABL glow engine, with 61A carburetor and included OS E4040 Muffler. The new power source for .60 sized aircraft!
Fits the same mount and bolt pattern as the 61FX.
The angular head design looks great and significantly increases surface area for better cooling.
Includes the new “Power Box” muffler, designed with more volume for increased power while still being very compact.
A diagonally-placed needle means no remote needle valve is needed.
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: 2.4 hp @ 15,000 rpm
Weight: 19.4 oz (550 g)
Recommended Props: 14×6, 14×8, 15×7