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Ephil - 38cc Rear exhaust - PRO - Glow Gasoline Engine w/ E-Starter - XG-38cc-R PRO
The EPHIL XG-38cc-R PRO is built for serious pilots who demand the perfect balance of power, reliability, and convenience.
With its 38 cc displacement, integrated electric starter, and glow ignition system, this engine delivers smooth, consistent performance in a lightweight, compact design.
Ideal for sport, scale, and warbird aircraft in the 70–90″ wingspan range, it brings dependable starts and strong mid-range torque that makes every flight enjoyable.
USAGE
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Electric starter and glow ignition make starts quick, safe, and effortless.
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Best suited for medium-size airplanes (approx. 70–90″ wingspan).
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Recommended propellers: 19×8, 19×10, 20×8, 20×10 — adjust based on altitude and aircraft weight.
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Use high-quality glow plugs (E8 or OS G5) and a 30:1 fuel-to-oil mix with premium 2-stroke motor oil.
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Allow a short break-in period — run a few tanks at moderate throttle before flying aggressively.
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Ensure proper airflow and secure mounting to maximize cooling and vibration isolation.
Technical Specifications
Displacement: 38 cc (2.33 cu in)
Performance: 4.2 HP
Speed Range: 1,800 – 7,300 RPM (Test Propeller 20×9)
Bore: 39 mm (1.54 in)
Stroke: 32.5 mm (1.28 in)
Compression Ratio: 9:1
Lubrication Ratio: 30:1 (Gasoline : 2-Stroke Oil)
Ignition Voltage: 6 – 14 V
Glow Plug Type: E8 / OS G5
Recommended Propellers: 19×8 / 19×10 / 20×8 / 20×10
Main Engine Weight: 1,040 g
Muffler Weight: 73 g
Total Weight (Engine + Starter + Ignition): ≈ 1,542 g (3.40 lb)