Zeppelin-Staaken E.4/20

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