Junkers Ju 87 would be carried out by the Weserflug company after April 1938, but Junkers continued producing Ju 87 up until March 1940. A long range version of the Ju 87B was also built, known as the Ju 87R, the letter being an abbreviation for "Reichweite", "(operational) range". They were primarily intended for anti-shipping missions. The Ju 87R had a B-series airframe with an additional oil tank and fuel lines to the outer wing stations to permit the use of two standardised capacity under-wing drop tanks, used by a wide variety of Luftwaffe aircraft through most of the war. This increased fuel
Junkers described by a Ju number, e.g. Ju 21. Data from Kay, 2004, pp. 257–278 All Junkers diesel engines were two stroke, opposed piston designs, an arrangement he invented in the early 1890s. It was intended to provide an alternative to Nicholaus Otto's patented four stroke which would run on low grade fuels such as blast furnace waste gases. By 1896 Junkers engines were generating electrical power in steelworks. Junkers Junkers Flugzeug- und Motorenwerke AG (JFM, earlier JCO or JKO in World War I), more commonly Junkers, was a major German aircraft and aircraft engine manufacturer. It produced some of the