Rotron RT1200-Phttps:rotronpower.com/rt1200p-rotary-engine/Rotron Power Limited 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 helicopte.The company was founded in 2008 by Gilo Cardozo, who designed the company's fit Wankel engine to power a paramotor flight over Mount Everest on 14 May 2007.CAD model downloaded from Rotron website.