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In 2016, 3W-International GmbH saw an increase in demand for its heavy fuel (HF) and gasoline combustion engines, specifically to power unmanned helicopters. The demand came mainly from Asia.

According to 3W, the quality of its engines is a result of technical expertise, long-term experience, tradition and state-of-the-art production.

Karsten Schudt, managing director at 3W-International GmbH, says many of the inquiries for these kinds of engines came from entities within the agricultural sector, where helicopters are often used for sowing seed or pest control.

With those being some of the main uses for using helicopters, Schudt pointed to a few reasons why heavy fuel and gasoline combustion engines are more favorable when conducting these missions.

“Electrically driven systems are often still used for these tasks,” Schudt says. “However as soon as a greater payload has to be transported or longer deployment times are needed, the manufacturers' considerations begin to shift to the combustion engine.”

Also, in agricultural regions, it is generally easier to transport fuel than having to charge batteries.

While these engines are ideal for the agricultural arena, 3W believes that its engines can also be used in the future for helicopters operating in the oil and mining industry as well.

Regardless of the aircraft or task, though, 3W believes that it has an engine that can get the job done, as it offers more than 120+ standard engine options. All of its engines can be used for fixed-wing aircraft, helicopters and systems with vertical takeoff and landing capabilities.

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