DLE 170 Engine Buying Guide: HP, Props, Cost & Suppliers

The DLE 170 is a highly popular 170cc twin-cylinder two-stroke gasoline engine in the RC aviation and industrial UAV sectors, known for its high power-to-weight ratio and cost-effectiveness compared to premium brands like Desert Aircraft (DA).

Product Performance & Insights

* Performance: It delivers 17.5 HP at 7,500 RPM, with a static thrust of approximately 35 kg at low altitudes Motionew Scribd.

* Application: Primarily used for extra-large 3D aerobatic RC aircraft (35%–40% scale) and increasingly for industrial drones and FPV modules Dlengine.

* Propeller Selection: Optimal performance is typically achieved with 30x12 (speed) or 32x10 (thrust) propellers Horizonhobby.

* Market Positioning: Users frequently compare it to the DA-170; while the DA-170 is favored for its smoother mid-range and US-based support, the DLE 170 is the dominant "value" choice, offering similar raw power at nearly 30-40% lower cost Flyinggiants.

Market Trends & Sourcing

* Wholesale Pricing: B2B listings show bulk prices ranging from $850 to $1,160 per unit depending on order volume and configuration (e.g., standard vs. power generation systems) Alibaba Alibaba.

* Consumer Demand: Search data indicates steady interest in "gas RC planes" and "2-stroke fuel line" components, reflecting a stable enthusiast market despite the rise of electric propulsion in smaller scales .

* Supply Chain: Major suppliers are concentrated in Shenzhen, China, with high transaction volumes indicating strong global distribution Alibaba.