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Ephil - 40cc Twin - PRO - Glow Gasoline Engine w/ E-Starter - XG-40cc-T PRO
Experience premium twin-cylinder performance in the 40 cc class with the EPHIL XG-40cc-T Pro. With its integrated electric starter and glow-plug ignition, this engine delivers dependable starts, smooth throttle response, and impressive power for sport, scale, or warbird aircraft. The compact twin configuration reduces vibration, making it ideal for pilots who demand refinement and reliability in one package.
USAGE
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Comes with built-in electric starter and glow ignition — no manual flipping required.
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Best suited for airplanes in the 75″–90″ wingspan range or similarly weighted sport/scale builds.
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Recommended propellers include 20×8, 20×10, 19×8, 19×10 — choose according to altitude and aircraft setup.
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Use high-quality glow plugs (CM6 or equivalent) with a 30 : 1 gasoline to 2-stroke oil mix for optimal performance and engine life.
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Allow a proper break-in period: run the first few tanks at moderate throttle to ensure smooth and reliable operation.
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Mount with proper consideration for cooling airflow, firewall strength, and vibration isolation to take full advantage of the twin-cylinder design.
Technical Specifications
Displacement: 40 cc (2.44 cu in)
Guaranteed Performance: ~4.6 HP
Speed Range: ~1 800–8 300 RPM (tested with 20×8 prop)
Bore: 32 mm (1.26 in)
Stroke: 27 mm (1.06 in)
Static Thrust: ~11.5 kg @ 100 m altitude (approx. 25.4 lb) / ~9.0 kg @ 1 800 m altitude (approx. 19.8 lb)
Compression Ratio: 9 : 1
Lubrication Ratio: 30 : 1 (gasoline : 2-stroke oil)
Ignition Voltage: 6 - 14 V
Glow Plug Type: CM6 (or equivalent high‐performance glow plug)
Recommended Propellers: 20×8 | 20×10 | 19×8 | 19×10
Weight – Main Engine: ~1 190 g
Weight – Muffler Set: ~136 g
Weight – Aluminum Standoffs Set: ~84 g
Weight – Spark Plugs: 13.5 g × 2
Weight – CDI (Ignition): ~175 g
Weight – Electric Starter: ~113 g
Weight – ESC: ~36 g
Total Weight (engine + starter + ignition + accessories): ~1 786 g (≈ 3.94 lb)