Description

DLE55RA Rear Exhaust 2-Stroke 55cc Gasoline UAV Engine – High Thrust RC Aircraft Powerplant

High-performance 55cc rear exhaust gasoline engine with 5.5 HP output and up to 14.5 kg of thrust. Perfect for UAVs and RC aircraft requiring compact installation and top-tier power delivery.

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Product Description

The DLE55RA is a rear exhaust version of the classic DLE55, delivering identical performance in a more installation-friendly layout. With a compact rear exhaust design, this 55.6cc single-cylinder 2-stroke engine is engineered for large-scale UAVs and RC aircraft where space, balance, and heat management are critical.

Generating 5.5 horsepower at 8500 RPM and offering a maximum thrust of 14.5 kg at 100 meters altitude, the DLE55RA is ideal for long-range missions, agricultural drones, and high-endurance fixed-wing platforms. Its durable structure, smooth throttle response, and compatibility with large 22–23″ propellers make it a go-to choice for demanding aviation professionals.

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Key Features

• Rear exhaust layout for tight fuselage integration and improved airflow
• Powerful 55.6cc single-cylinder gasoline engine
• Delivers 5.5 HP @ 8500 RPM
• Thrust output: 14.5 kg (100m), 12.8 kg (1800m)
• Supports large propellers: 22×8, 22×10, 23×8, 23×10
• Compatible with NGK CM6 spark plug
• Reliable ignition system operating at 4.8V–8.4V

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Specifications

Engine Type	Single Cylinder, 2-Stroke, Rear Exhaust
Displacement	55.6 cm³
Bore x Stroke	45 mm × 35 mm
Compression Ratio	7.6 : 1
Output Power	5.5 HP @ 8500 RPM
Idle Speed	1500 RPM
Thrust	14.5 kg (100m altitude), 12.8 kg (1800m altitude)
Recommended Propellers	22×8, 22×10, 23×8, 23×10
Spark Plug	NGK CM6
Lubrication Ratio	30:1
Weight (Engine)	1330 g
Weight (Exhaust)	150 g
Weight (Ignition)	140 g
Ignition Voltage	4.8V – 8.4V

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