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

Revving Up Innovation: Discover Hirth Engines / Unlocking the Power of the 35 Series: A Deep Dive

Unlocking the Power of the 35 Series: A Deep Dive

Gasoline or heavy fuel liquid-cooled UAV engines with 70HP output

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Unlocking the Power of the 35 Series: A Deep Dive

Unmatched Power and Efficiency: Teh 35 Series Engine

The 35 Series engine stands out in the 70-horsepower category, boasting an impressive power-to-weight ratio thanks to its advanced liquid cooling system and robust construction. This engine can be customized with features such as dual ignition, an electric starter, and a dedicated lubrication system for enhanced performance.

Heavy-Fuel Variant for Specialized Applications

for those in maritime and defense sectors, the 35HF variant is specifically designed to meet rigorous operational demands. This model operates efficiently on kerosene-based fuels, including Jet A, Jet A1, JP5, and JP8. Additionally, it can be outfitted with a starter/generator capable of producing up to 3kW at 28V, making it a versatile choice for various applications.

Technical Specifications

Dimensions (L x W x H): 35: 472 x 410 x 360 mm (18.58 x 16.14 x 14.17”)
35HF: 481.8 x 453 x 443 mm (18.97 x 17.83 x 17.44”)
Weight: 36 kg (79 lb) including exhaust and coolant
Displacement: 625 cm³ (38.1 cu in)
Stroke: 69 mm (2.72 in)
Bore: 76 mm (2.99 in)
Maximum Performance: 44 kW (60 HP) at 5200 rpm
Measured per DIN 70020
Using 194°F coolant
Maximum Torque: 35: 84 Nm (62 ft.lb) at 5000 rpm
35HF: 67.5 Nm (57.0 ft.lb) at 6000 rpm

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