Designed in 1917 by Adolf Rohrbach, the Staaken E-4 was a stressed metal monocoque fuselage canatlevered monoplane four-engined passenger aircraft with galley, w.c., baggage stowage and full communications. The most advanced aircraft of its time, the E.4/20 flew successfully in 1920. Completed after the armisitice and extensively tested by the Allies who ordered it destroyed because of its potential as a bomber - it was faster than any Allied fighter of the day. It was dismantled in 1922.
E-4/20 Engines: 4 x Maybach IVa, 190kW Max take-off weight: 8500 kg / 18739 lb Wingspan: 31.0 m / 102 ft 8 in Length: 16.6 m / 54 ft 6 in Wing area: 106.0 sq.m / 1140.97 sq ft Max. speed: 230 km/h / 143 mph Cruise speed: 211 km/h / 131 mph Range w/max.fuel: 1200 km / 746 miles Crew: 3 Passengers: 12-18