Rotron Aerospace (formerly Rotron Power) is a British aircraft engine manufacturer based in Semley, Wiltshire. The company specializes in the design and manufacture of Wankel engines for unmanned aerial vehicles, light aircraft and helicopters.Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, page 260-261. Flying Pages Europe SARL, 2015.
History The company was founded as Rotron Power in 2008 by Gilo Cardozo, who designed the company's first Wankel engine to power a paramotor flight over Mount Everest on 14 May 2007.
The name of the company was changed to Rotron Aerospace in September 2023.
In March 2026 Ondas Holdings, an American technology company, completed the acquisition of Rotron to expand its capabilities in unmanned aerial vehicles (UAVs).
Products
Summary of aircraft engines built by Rotron Power:
Rotron RT300 Rotron RT600
The RT300 is a Wankel single-rotor design that produces , while the twin-rotor RT600 produces .
SkyLance one way effect system The Skylance is one of three long-range strike or cruise-missile prototypes being tested under the UK government's Project Brakestop with the aim of providing missiles to Ukraine by the end of 2026. All weapons are to be made without any US-sourced components. The project requirements are for a missile that can be produced at a rate of 20 per month and a unit cost of about £400,000 excluding the warhead, which is expected to weigh .
Skylance has a range of up to , a cruise speed of and a payload of up to .
Rotron successfully tested SkyLance in May 2026.
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