Junkers Ju 87 Franco did know nothing of it and that it was ordered directly by the Luftwaffe. During the Catalonia Offensive in January 1939, the Junkers Ju 87 returned to Spain. On the morning of 21 January 1939, 34 Heinkel He 111, along with some escorts and three Ju 87B, attacked the Port of Barcelona, five days before the city was captured by the Fascists. 29 Republican fighters were defending the city. There were more than 100 aircraft operating over the city and, while a Ju 87 was dive-bombing a ship, a Republican Polikarpov I-15 pilot, Francisco Alférez Jiménez, claimed it destroyed
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