Dornier Do 12

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Image:Do 12.3.JPG
A Dornier Do 12 with a Gnôme-Rhône Titan Motor, in the water.

The Dornier Do 12 Libelle III (German:"Dragonfly III") was the third of a line of small German flying boats of the 1930s. It started with the Dornier A Libelle I and the Dornier A Libelle II, though the Do 12 was not a continuation, but an entirely new aircraft.

The aircraft was amphibious and would carry 3-4 passengers. It was powered by a single Argus As 10 engine initially, then a Gnome-Rhône 5Ke Titan engine, mounted above the wing. It first flew in 1932 and went on to be used by the DFS to pull gliders.

[edit] Design

The Do 12 was a high-wing monoplane, of the usual Dornier all-metal construction, with a two-spar, trapezoidal wing, whose rear edge was very strongly rounded at the root. The fuselage was of rectangular cross section.

In the nose was a storage area where equipment, including anchors, could be kept. Behind it, the open cockpit had two side-by-side seats, with optional dual control. In the cabin there were two more seats and a storage area, which could also be fitted with bunks for sleeping.

Between the cockpit and cabin were nacelles which accommodated the retracted wheels, a first for Dornier, which were lowered or raised manually by a crank.

The engine sat on a stand high above the wing, alongside two fuel tanks, in the pusher configuration (with the propeller facing backwards).

From the first flight on 23 June 1932, and in the further course of testing, it was obvious that that the Argus engine was underpowered, making take-off distances substantially too long. However financial difficulties in the company meant that fitting the stronger Gnome-Rhône Titan 5Ke took some time.

Father Paul Schulte, a missionary known as the "Flying Priest", used the Do 12 "D-INEZ" for many years and in his various books it plays an important role.

[edit] Specifications (Do 12)

Image:Do 12.4.JPG
Side view of a Dornier Do 12 in a field.
Image:Do 12.1.JPG
A Dornier Do 12 as seen from above.

General characteristics

  • Crew: two
  • Capacity: 2 passengers
  • Length: 9.00 m (29 ft 6 in)
  • Wingspan: 13.00 m (42 ft 8 in)
  • Height: 4.20 m (13 ft 9 in)
  • Wing area: 28.0 m² (301 ft²)
  • Empty weight: 1,075 kg (2,370 lb)
  • Loaded weight: 1,400 kg (3,090 lb)
  • Powerplant: 1× Argus As 10 or Gnome-Rhône Titan 5 Ke, 179 kW or 190 kW (240 hp or 260 hp)

Performance

[edit] See also

Related lists


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Aircraft built by Dornier Flugzeugwerke
By Project Number

Company designations pre-1933:
Do A • Do B • Do C • Do D • Do E • Do F • Do G • Do H • Do J • Do K • Do L • Do N • Do O • Do P • Do Q • Do R • Do S • Do T • Do U • Do V • Do X • Do Y

Delphin • Komet • Libelle • Merkur • Spatz • Wal

RLM designations 1933-1945:
Do 10 • Do 11 • Do 12 • Do 13 • Do 14 • Do 15 • Do 16 • Do 17 • Do 18 • Do 19 • Do 20 • Do 22 • Do 23 • Do 24 • Do 25 • Do 26 • Do 212 • Do 214 • Do 215 • Do 216 • Do 217 • Do 317 • Do 318 • Do 335 • Do 417 • Do 435 • Do 635

P.59 • P.85 • P.174 • P.184 • P.192 • P.231 • P.232 • P.238 • P.247 • P.252 • P.254 • P.256 • P.273 • P.1075

Company designations post-1945:
Do 24 • Do 25 • Do 27 • Do 28 • Do 29 • Do 31 • Do 32 • Do 34 • Do 128 • Do 132 • Do 228 • Do 231 • 328 • 428 • 528 • 728JET • 928JET

Projekt 621
Collaborative ventures
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