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German Balkenkreuz

Germany's Dornier Do 24 flying boat

Photos

  • Dornier Do 24 flying boat
  • Dornier Do 24 flying boat
  • Dornier Do 24N flying boat
  • Dornier Do 24 flying boat
  • Dornier Do 24 flying boat

Design

The Dornier Do 24 was originally designed for the Royal Netherlands Naval Air Service to be used in the East Indies. The Dornier Do 24 replaced the Dornier Do 18.

Early models did not have a nose turret, but after losses one with a 7.9 mm MG 15 was installed. The cockpit had additional side windows installed to improve visibility.

There were large winglets on each side of the fuselage that helped the Do 24 in rough seas.

Crew

The crew had sleeping areas in the hull.

Prototype

The first prototype flew on July 3, 1937.

Production

Weser-Flugzeugbau produced models in the Netherlands. 170 were produced during 1940-1944.

  • Prototypes: 2
  • Dornier Do 24K-1: 12
  • Dornier Do 24K-2: 25, 28
    • De Schelde and Aviolanda licensed built for Holland.
  • Dornier Do 24N-1: 11
  • Dornier Do 24T-1: 180
  • Dornier Do 24T-2: 49
  • Dornier Do 24T-3: 12
  • Total: 220, 294
    • Manufacturer: Dornier Werke GmbH, Weserflug, De Schelde, Aviolanda, Fokker, Chantiers Aéro-Maritimes de la Seine (CAMS)
      • The Potez-CAMS factory started manufacturing in 1941.

Variants

  • Prototype: Had three Wright R-1820 Cyclone (890 HP) engines.
  • Dornier Do 24K: Models that were built in the Netherlands with Wright R-1820 engines. In November 1937 deliveries started.
  • Dornier Do 24MS: Had a degaussing loop and generator for mine sweeping operations.
  • Dornier Do 24N-1: Air sea rescue variant.
  • Dornier Do 24T: Had BMW-Bramo engines.
  • Dornier Do 24T-3: Was built for Spain. Delivered in 1944.

Usage

The countries that used the Dornier Do 24 were Australia, France, Germany, Holland, Spain, and Sweden.

Crews found the Do 24 to be very reliable even in rough water.

One time a Do 24 lost its tail during a rescue. The crew sealed the aircraft and taxied back to their base.

Used in the Arctic, Mediterranean, English Channel, and the Pacific.

Germany

At the start of World War II there was only one airworthy prototype available. Once the Netherlands were defeated all of their Do 24s were shipped back to Germany.

Fifteen Luftwaffe units were equipped with the Do 24.

Crete

During the evacuation of Crete the Do 24s would carry 24 passengers.

Netherlands

Received eleven before the start of World War II. Twenty five were licence built with Wright R-1820 engines.

Some were used in the East Indies against Japan. These were given to the Australians.

Spain

In June 1944 Spain received twelve Do 24T-3s and they remained in used as search and rescue planes until the 1970s.

Australia

The Royal Australian Air Force used five Do 24s against Japan.

Sweden

Two Do 24s ended up being interned by Sweden. One had 37 refugees.

Specifications

  Dornier Do 24
Type Reconnaissance, Air sea rescue, Transport, Patrol Bomber
Crew 4 - 5, 5, 6
Pilot, co-pilot, navigator, radio operator, gunners(2)
Engine (Type) 3: BMW 323 R-2
3: BMW 132 Do
3: Bramo Fafnir 323 R
Cylinders Radial 9
Cooling Air
HP 760 each, 1,000 each
Propeller blades 3 blade controlled pitch
Dimensions  
Span 88' 7"
27 m
Length 72' 2", 72' 4"
22 m
Height 17' 10", 18' 10"
5.45 m, 5.74 m
Wing area 1,162 sq ft
108 sq m
Weight  
Loaded 29,700 lb, 35,715 lb
13,500 kg
Performance  
Speed 190 mph, 195 mph
304 kph
Speed at 8,530' 206 mph
Cruising Speed at 6,560' / 2,000 m 161 mph
260 kph
Service ceiling 17,400', 24,605'
5,310 m
Range 2,000 miles, 2,050 miles, 2,920 miles
3,300 km
Armament 2: MG
3: MG
1: 20 mm
Turret - Forward 1: MG
1: 7.92 mm MG
Turret - Dorsal 1: MG
1: 20 mm or 30 mm
Turret - Rear 1: MG
1: 7.92 mm MG
Under wing racks -
bombs or other stores
12: 110 lb
12: 50 kg
Bombs 3,300 lb
  Dornier Do 24K
Engine (Type) 3: Wright R-1820 Cyclone
Cylinders Radial 9
HP 760 each
Propeller blades 3 each
Weight  
Empty 17,011 lb
7,716 kg
Loaded 28,600 lb
12,973 kg
  Dornier Do 24T
Engine (Type) 3: Bramo 323R-2 Fafnir
Cylinders Radial 9
HP 1,000 each
Propeller blades 3 each
Performance  
Speed 195 mph
314 kph
Cruising speed 150 mph
241 kph
Service ceiling 17,390'
5,300 m
Range 2,048 miles
3,297 km
  Dornier Do 24T-1
Type Air-sea rescue, Reconnaissance, Transport
Crew 5 - 6
2: pilots
4: crew
Engine (Type) 3: BMW-Bramo 323R-2
3: BMW/Bramo Fafnir 323R-2
Cylinders Radial 9
Cooling Air
HP 1,000 each
Propeller blades 3 each
Dimensions  
Span 87' 7", 88' 7"
27 m
Length 72' 4"
22 m, 22.05 m
Height 18' 10", 18' 10.25"
5.75 m
Wing area 1,162 ft2 , 1,162.5 sq ft
108 m2 , 108 sq m
Weight  
Empty 20,062 lb, 20,680 lb, 20,732 lb
9,100 kg, 9,400 kg, 9,494 kg
Loaded 35,715 lb, 40,480 lb, 40,564 lb
16,200 kg, 18,400 kg
Performance  
Speed 205 mph, 211 mph
331 kph, 339 kph
Speed at 6,560' / 2,000 m 211 mph
340 kph
Cruising speed 137 mph
220 kph
Climb to 6,560' / 2,000 m 14 minutes 30 seconds
Service ceiling 19,355', 19,360', 24,600'
5,900 m, 7,500 m
Range 2,915 miles, 2,950 miles
4,700 km, 4,747 km, 4,750 km
Armament  
Turret - Front 1: 7.9 mm MG 15
Turret - Dorsal 1: 20 mm Hispano Suiza cannon
1: 20 mm MG 151
Turret - Rear 1: 7.9 mm MG 15
Bombs 12: 110 lb
12: 50 kg

Sources:

  1. Aircraft of WWII, General Editor: Jim Winchester, 2004
  2. Aircraft of WWII, Stewart Wilson, 1998
  3. World War II Airplanes Volume 1, Enzo Angelucci, Paolo Matricardi, 1976
  4. Aeronautics Aircraft Spotters' Handbook, Ensign L. C. Guthman, 1943
  5. Jane's Fighting Aircraft of World War II, 1989
  6. The Encyclopedia of Weapons of World War II, Chris Bishop, 1998
20th Century American Military History Crucial Site