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Ephil - 20cc Side exhaust - PRO - Glow Gasoline Engine w/ E-Starter - XG-20cc-S PRO
Unlock big-model power in a compact package with the XG-20cc S PRO. This 20 cc glow/gasoline engine packs serious performance into a lightweight design, offering easy electric start, modern ignition and robust build quality. Whether you’re flying a sport scale or smaller warbird, the XG-20cc S PRO delivers dependable thrust, quick throttle response and streamlined setup. Perfect for flyers ready to upgrade or refine their next build.
USAGE
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Includes electric starter and ignition for one-button start readiness—ideal for the field.
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Best suited for aircraft in the ~60″ to ~75″ wingspan range (or similarly weighted builds) seeking reliable sport/scale performance.
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Recommended propellers: 16×8, 14×10, 15×8, 16×6, 17×6.
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Use high-quality glow plug (E8 or OS G5) with recommended fuel & oil ratio (30 : 1 gasoline to two-stroke oil) for optimal life and performance.
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Allow a proper break-in period (first few tanks) to achieve full smoothness and throttle linearity.
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Ensure adequate cooling, vibration isolation and secure mounting—though the small size helps with installations in lighter builds.
Specifications
Displacement: 20 cc (1.22 cu in)
Performance: ~2.4-2.5 HP
Speed Range: 1 800-8 600 RPM (Test propeller-16×8)
Bore: 32 mm (1.26 in)
Stroke: 27 mm (1.06 in)
Static Thrust: ~7.0 kg @ 100 m ALT (15.4 lb @ 328 ft ALT) / ~5.4 kg @ 1 800 m ALT (11.9 lb @ 5 900 ft ALT)
Compression Ratio: 9 : 1
Lubrication Ratio: 30 : 1 (Fuel : 2-Stroke Motor Oil)
Ignition Voltage: 6-14 V
Glow Plug Type: E8 (or OS G5)
Recommended Propellers: 16×8, 14×10, 15×8, 16×6, 17×6
Weight (Main Engine): ~697 g
Weight of Muffler Set: ~60-62 g
Weight of Engine Mount Set: ~65-115 g (varies by mount)
Total Weight: ~1 099-1 182 g (2.42-2.61 lb) depending on starter/ESC combo.