Loravia LOR 75  The Loravia LOR 75 is a French aircraft engine, designed and produced by Loravia of Yutz for use in ultralight aircraft. It was introduced in 2009. By March 2018, the engine was no longer advertised on the company website and seems to be out of production. The LOR 75 is a three-cylinder four-stroke, in-line, displacement, liquid-cooled, automotive conversion gasoline engine design, with a toothed poly V belt reduction drive with reduction ratios of 2.46 and 3.72:1. It employs electronic ignition and produces at 6000 rpm, with a compression ratio of 10.5.