Aircraft engine Basse und Selve Bus.IV

This engine is one of the first aircraft engines equipped with aluminum pistons. Since 1906, Basse und Selve AG was a famous factory with a leading position in the production of aluminum pistons and, similarly to many other industries, was involved in the war production during World War I. Moreover the engines Bus.IV and Bus.IVa were the greatest inline 6-cylinder engine built in series during the First World War. The have been also used to equip the Siemens-Schuckert R.VIII, that was the largest complete aeroplane in the world at the time of its completion in 1916.