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Ephil - 20cc Side exhaust - PRO - Gasoline Engine w/ E-Starter - X-20cc-S PRO
Experience next-generation convenience and reliability with the EPHIL X-20cc-S Pro gasoline engine — a true plug-and-fly power solution for serious RC pilots.
Featuring an integrated electric starter, electronic ignition, and premium iridium spark plug, this 20 cc single-cylinder engine delivers smooth, dependable power and effortless starts.
Built for performance, precision, and simplicity — just mount it, connect it, start at the touch of a button, and take off.
Usage Notes
- Ideal for mid-size fixed-wing models where a 20 cc engine with electric start greatly simplifies setup.
- The 30 : 1 fuel mix and iridium plug offer excellent reliability and smoother idle.
- Power-to-weight ratio is competitive among 20 cc gas engines — a strong balance of thrust and efficiency.
- Wide prop compatibility gives flexibility for sport, scale, or aerobatic aircraft.
- Ensure adequate electrical supply for both ignition and starter systems.
Technical Specifications
Model: X-20cc-R
Displacement: 20 cc (1.22 cu in)
Performance: 2.5 HP
Speed Range: 1800 – 8400 RPM (Tested with 16×8 propeller)
Bore: 32 mm (1.26 in)
Stroke: 27 mm (1.06 in)
Compression Ratio: 9 : 1
Static Thrust:
6.9 kg @ 100 m altitude (15.2 lb @ 328 ft)
5.3 kg @ 1800 m altitude (11.7 lb @ 5900 ft)
Lubrication Ratio: 30 : 1 (Fuel : 2-stroke motor oil)
Ignition Voltage: 6 – 14 V
Spark Plug Type: CM6 Iridium spark plug
Recommended Propellers: 16×8 | 14×10 | 15×8 | 16×6 | 17×6
Component Weights:
Main Engine: 697 g
Muffler Set: 62 g
Engine Mount Set: 115 g
Spark Plug: 13.5 g
CDI (Ignition): 104 g
Total Weight: 991.5 g (2.19 lb)