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Dornier Do.J Wal

 

dornierdoj


The Wal all-metal flying-boat was a direct development of the Gs I of 1919 and the uncompleted Gs II.


The Wal had a two-step hull, strut-braced untapered parasol wing, sponsons, single fin and rudder, and two engines in tandem above the centre section.
The prototype flew on 6 November 1922. Because of the Allied ban on German construction of this class of aeroplane, production was undertaken by GMASA in Italy with the first aircraft completed in 1923.


Passenger, mail-carrier and military versions were produced with a wide range of engines of 223.6-559kW. There were four different wing spans and the maximum weight grew from about 4,000kg to 10,000kg. Wals were also built by Piaggio and in Japan, the Netherlands and Spain, and later in Germany. About 300 were built before production ceased in the mid-1930s.

 

dornierdo15


Wals pioneered air services in South America, were widely used in the Mediterranean (with eight-ten seats) and, operating from depot ships, established Luft-Hansa's South Atlantic mail services.

dornierwalld


Engines: 2 x RR 1928, 265kW
Max take-off weight: 4100 kg / 9039 lb
Empty weight: 2720 kg / 5997 lb
Wingspan: 26.5 m / 86 ft 11 in
Length: 16.2 m / 53 ft 2 in
Height: 4.7 m / 15 ft 5 in
Wing area: 96.0 sq.m / 1033.33 sq ft
Max. speed: 180 km/h / 112 mph
Cruise speed: 150 km/h / 93 mph
Ceiling: 3500 m / 11500 ft
Range w/max.fuel: 3600 km / 2237 miles
Crew: 2-4
Passengers: 10-12

Wal
Engine : 2 x BMW VI, 690 hp
Length : 60.039 ft / 18.3 m
Height : 17.552 ft / 5.35 m
Wingspan : 76.115 ft / 23.2 m
Wing area : 1033.344 sq.ft / 96.0 sq.m
Max take off weight : 17640.0 lb / 8000.0 kg
Weight empty : 10363.5 lb / 4700.0 kg
Max. speed : 124 kts / 230 km/h
Landing speed : 57 kts / 105 km/h
Cruising speed : 108 kts / 200 km/h
Initial climb rate : 590.55 ft/min / 3.0 m/s
Service ceiling : 9843 ft / 3000 m
Wing load : 17.02 lb/sq.ft / 83.0 kg/sq.m
Range : 1026 nm / 1900 km
Crew : 4
Armament : 2x MG15

 

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