Description

DLE40 Twin-Cylinder 2-Stroke 40cc Gasoline UAV Engine – High Power RC Aircraft Engine

High-performance 40cc twin-cylinder gasoline engine with exceptional 4.8 HP output and low vibration. Designed for fixed-wing UAVs and high-thrust RC aircraft operating in demanding environments.

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Product Description

The DLE40 is a powerful 2-stroke 40cc twin-cylinder gasoline engine designed for demanding fixed-wing UAVs and large RC aircraft. Delivering up to 4.8 horsepower at 8500 RPM, the DLE40 offers exceptional thrust and stable operation, even at high altitudes.

This engine is precision-engineered with an optimal compression ratio of 10.5:1 and features a durable, low-vibration twin-cylinder layout. Compatible with a range of large propellers, the DLE40 provides up to 9.5 kg thrust at 100m altitude and maintains impressive output at 1800m. With its reliable CM6 spark plug and wide ignition voltage range (4.8V–8.4V), the DLE40 is ideal for applications in aerial mapping, logistics drones, and long-range flight platforms.

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Key Features

• Powerful 2-cylinder 2-stroke 40cc gasoline engine
• Delivers 4.8 HP at 8500 RPM for heavy-lift applications
• Provides 9.5 kg thrust (100m) / 8.5 kg (1800m)
• Twin-cylinder design ensures smooth and balanced operation
• Compatible with 19×8, 19×10, 20×8, 20×10 propellers
• Standard NGK CM6 spark plug and efficient ignition system
• Perfect for long-range UAVs, agricultural drones, and RC workhorses

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Specifications

Engine Type	Twin Cylinder, 2-Stroke
Displacement	40 cm³
Bore x Stroke	32 mm × 25 mm
Compression Ratio	10.5 : 1
Output Power	4.8 HP @ 8500 RPM
Idle Speed	1500 RPM
Thrust	9.5 kg (100m altitude), 8.5 kg (1800m altitude)
Recommended Propellers	19×8, 19×10, 20×8, 20×10
Spark Plug	NGK CM6
Lubrication Ratio	30:1
Weight (Engine)	1170 g
Weight (Exhaust)	110 g
Weight (Ignition)	170 g
Ignition Voltage	4.8V – 8.4V

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