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Cutting-Edge Two-Stroke Gasoline & Heavy Fuel Engines for Unmanned Aerial Vehicles

Hirth Engines / 32 Series

32 Series

Air-cooled 65HP two-stroke UAV engines with leading power-to-weight ratio

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Discover the Exciting Features of the 32 Series!

Delivering an remarkable 65 horsepower with a leading power-to-weight ratio in its category,the 32 Series of air-cooled engines is perfectly suited for UAV platforms that prioritize weight efficiency. This engine can be customized with various features, such as dual ignition systems, fuel injection, belt reduction, gearbox alternatives, an electric starter, and a dedicated lubrication system.

The 32 Series boasts a remarkable 1000-hour time between overhauls (TBO) at 75% power, ensuring that your design remains resilient against the evolving challenges of unmanned aviation.

Technical Specifications:

dimensions (L x W x H): 377 x 587 x 383 mm (14.84 x 23.11 x 15.07”)
Weight: 31 kg (68.4 lb)
Displacement: 625 cm³ (38.1 cu in)
Stroke: 64 mm (2.52 in)
Bore: 76 mm (2.99 in)
Maximum Output: 40.4 kW (55 HP) at 5500 rpm
As per DIN 70020
Peak Torque: 72 Nm (52.8 ft.lb) at 5000 rpm

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