Cutting-Edge Two-Stroke Gasoline & Heavy Fuel Engines for Unmanned Aerial Vehicles
3503 Engine Economical and compact gasoline liquid-cooled UAV engine with 70HP output
3503 Engine

Economical and compact gasoline liquid-cooled UAV engine with 70HP output

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3503 Engine

In the 70-hp class, the 35 Series delivers top-tier power-to-weight with liquid-cooling for thermal stability, smooth operation, and long service life. With a 1,000-hour TBO at 75% power, it’s a cost-effective workhorse wherever weight and reliability matter.

Ideal for: light/ultralight aviation, hovercraft, gyros, light helicopters, weight-critical special-mission platforms.

Basic Technical Data:

Engine Type Two Stroke Inline
Cooling Water Cooling
Measured Power 70 HP
Fuel Type Petrol

Options:

  • Dual ignition
  • Gear box G 50 (1:2,16/1:2,29/1:2,59/1:3,16/1:3,65)
  • Electric starter
  • Separate lubrication
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