41. It was of conventional configuration, constructed of wood, with a inline engine , the Alfa-Romeo model 115 with 225 horsepower. 42. The first prototype was designated "'BM-5a "'and was fitted with a Austro-Daimler inline engine . 43. The inline engine was neatly cowled in, with the exhaust being collected together in a single stack that extended above the upper wing. 44. The aircraft was the source of five modern patents including the inline engines , V tail mixer controls, and the automatic flap system. 45. "' Walter Major "'was a family of Czechoslovak aircraft inline engines developed by Walter Aircraft Engines in the 1930s. 46. The first prototype, piloted by Stakenburg, flew with a Renault 6Q-01 six cylinder, inverted air-cooled inline engine . 47. The ride is powered by a 20-valve fuel-injected 2.4-liter 5-cylinder inline engine , normally aspirated. 48. Inline engines were common in early aircraft; one was used in the Wright Flyer, the aircraft that made the first controlled powered flight.49. It is available in weights of 18 t and 26 t and is powered by a 6-cylinder inline engine with turbo and intercooler. 50. The FK . 42 was powered by an air-cooled, Cirrus Hermes four-cylinder inline engine , mounted upright in the nose.