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

Revving Up Innovation: Discover Hirth Engines / Unleashing the Power of the 23 Series: Discover What Sets It Apart!

Unleashing the Power of the 23 Series: Discover What Sets It Apart!

Air-cooled 50HP two-stroke engines for UAVs of up to 120 kg

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Unleashing the Power of the 23 Series: Discover What Sets It Apart!

The air-cooled 23 Series two-stroke engines are perfectly suited for unmanned aerial vehicles (UAVs) with a maximum weight of 120 kg, offering an extraordinary output of 50 HP and an remarkable power-to-weight ratio. Additionally, thes engines can generate up to 250W of electrical power at 12V.

Designed for outstanding durability, the 23 Series boasts a time between overhauls (TBO) of 1000 hours. It can be customized with various features such as dual ignition systems, fuel injection, advanced exhaust configurations, and electric starting mechanisms.

Key Specifications:

Dimensions (L x W x H): 286 x 570 x 338 mm (11.25 x 22.44 x 13.3”)
Weight: 22 kg (48.4 lb) excluding exhaust
Displacement: 521 cm³ (31.8 cu in)
Stroke: 64 mm (2.52 in)
Bore: 72 mm (2.83 in)
Maximum Output: 36.7 kW (50 HP) at 6500 rpm
According to DIN 70020
Peak Torque: 53 Nm (38.9 ft. lb) at 6300 rpm
Generator Output: 250W, 12V

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