The O.S. Engines FS-95V is a high-performance, ringed four-stroke RC airplane glow engine featuring a classic “Golden Age” retro aesthetic combined with modern engineering. It is highly regarded for its smooth power delivery, deep scale-like sound, and distinct multi-cylinder appearance highlighted by angled valves and individual rocker covers.
Displacement: 15.55 cc (0.951 cu. in.)Bore & Stroke: 29.0 mm x 23.6 mm
Practical RPM Range: 2,100 – 11,000 RPM
Power Output: 1.7 ps (1.68 hp) at 10,000 RPM
Weight: 592 g (20.9 oz) engine body only
Carburetor Type: O.S. 69P, center-line mounted for flexible installation position
Advanced Cooling: The cylinder head uses a different alloy than the crankcase to perfectly balance optimal combustion heat with efficient air cooling.
Jet Stream Silencer: Includes the F-5050 muffler which can be multi-angled to fit inside cowls while outputting a realistic, low-amplitude four-stroke rumble.
Drop-in Compatibility: It shares identical physical mounting dimensions and bolt patterns with older or sister models like the FS-91 Surpass II, 61FX, 75AX, 95AX, and FS-110.
Propeller Selection:
Sport & Aerobatic: 13×7-9, 14×6-8
Scale Models: 15×6-8
