In 1942, the enlarged Haunebu II of 26 meters diameter was ready for flight testing. This disc had a crew of nine and could also achieve supersonic flight of between 6,000-21,000 km/h with a flight endurance of 55 hours. Both it and the further developed 32 meter diameter Do-Stra had heat shielding of two hulls of Victalen. Seven of these craft were constructed and tested between 1943-44. The craft made 106 test flights.
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Multipainkiller Studio