Aviation of Word War II

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Do 26 ✙
Multipurpose Seaplane
Dornier

Do 26

In the mid-1930s, the Do 26 was the Dornier's trademark. Without any doubt, for its time it was the most elegant boat, which was a great rarity in this category. Work on the Do 26 project began in 1936, after discussions with Lufthansa on specifications for a new seaplane capable of non-stop flights on the Lisbon-New York route. At the same time, the flight range was determined at 5800 km, and when using a tailwind, it could reach 9000 km.

Construction. The center section was made as a single unit with the hull of the boat and had a large transverse V, at its ends they were attached in tandem to a pair of engines, the rear of which drove the screws through elongated shafts with hinges. The wing console made it possible to remove the stabilizing floats into it. The fuselage of rectangular cross-section had the usual two steps for the Dornier and was divided into eight watertight compartments, providing accommodation for four crew members and 500kg of mail.

In 1937. Lyuthansa placed an order for three Do 26s and reserved an order for three more. The first of the three - Do 26-V1 flew on May 21, 1938 with four Jumo-205C engines, on the V2, which took off in February 1939, 880-horsepower Jumo-205D diesels were installed.

V2 joined V1 as part of Lufthansa in the late spring of 1939, by which time the airline had approved the delivery of three more aircraft. The first two prototypes of the A-series made 18 flights across the South Atlantic with the mail before the war stopped traffic. The third experimental Do 26-VЗ was the prototype of the B-series and was distinguished by the presence of four passenger seats and VDM propellers. The plane was still in assembly when the war began, and the assembly of the next three boats had not yet begun.

The second series of three flying boats was laid as a prototype for modification C with a passenger capacity of 8 people. These aircraft were also numbered V4, V5 and V6. Given the long range of the Do 26, RLM launched the Dornier mission to convert all four aircraft in production into long-range naval reconnaissance and transports under the designation Do 26d. The re-equipment included the installation of a bow turret with a 20-mm MG-151 cannon and two side blisters behind the wing with MG-15 machine guns. The same machine gun was installed in a waterproof turret behind the rear step. The necessary military equipment and radio stations were installed.



Do 26
Crew 4
Dimensions
Wing span, m 30.00
Length, m 24.60
Height, ms 6.80
Wing area, ms² 116.00
Weight, kg
Empty 11,300
Loaded weight 21,000
Gross weight 22,500
Powerplant
4×DE Junkers
Jumo-205D, h.p.
4×880
Performance
Maximum speed, km/h over water 295
at altitude 320
Cruising speed, km/h 256
Maximum rate of climb, m/min 125
Service range, km 7000
Combat range, km 4780
Service ceiling, m 4500

Combat work. Four Do 26Ds, together with a V2 taken from Lufthansa, were transferred to 1./Ku.Fl.Gr. 406 (later to become 1./Ku.Fl.Gr. 506). In this part, they took part in Operation Weserubung as scouts and transport vehicles, but more often in the role of the latter, operating in narrow fjords to transport troops and military equipment. May 28, 1940 Hurricanes from 46th Squadron intercepted two Do 26s with Alpine gunners on their way to Rombax fiord. Both boats were shot down. One of them, piloted by Chief Lieutenant Count Schake, made an emergency landing near Narvik and was captured by Norwegian forces along with a crew and 10 gunners. With the occupation of Norway, the three remaining flying boats were decommissioned and used for domestic transport until maintenance problems worsened.

Photo Description
Drawing Do 26d

Drawing Do 26d

Do 26 V1 at anchorage and takeoff

Bibliography

  • "Aviation of Luftwaffe" /Viktor Shunkov/
  • " Combat aircraft of the Luftwaffe " / edited by David Donald /
  • "Encyclopedia of military engineering" /Aerospace Publising/