Junkers K 47 aircraft, naming the type the "Tien Chu". Demonstrations were also carried out in Romania, Portugal, and Latvia without any resulting orders, although one aircraft may have been purchased by Japan. Three aircraft were used by the "Reichswehr" clandestine training facility at Lipetsk and a small number of the unarmed civil version were purchased by the DVS. K 47s were also used in trials to investigate dive bombing, experiments that would be formative of Pohlmann's thinking in designing the Ju 87. Indeed, the second Ju 87 prototype was fitted with a K 47 tail. Junkers K 47 The Junkers K 47
Junkers Ju 290 were constructed for "special purposes" by Junkers. Their works numbers are unknown. What those "special purposes" were, or if they ever came to be, is unknown. A number of Ju 290s survived the war, the Allies evaluating at least three examples, none of which was known to have survived intact into the 21st century. Junkers Ju 290 The Junkers Ju 290 was a German large, four-engine long-range transport and maritime patrol aircraft used by the Luftwaffe late in World War II that had been developed from an earlier airliner. The Junkers 290 was developed directly from the Ju 90 airliner,