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engines, four aircraft ordered in 1919. A second order for 30 aircraft was placed in 1919 with license-built engines, a third order for 49 aircraft being placed in 1925. Survivors were modified at Thun in 1932 with
Handley Page slats and changes to allow crew to wear
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On 8 January 1919 a DH-3 inaugurated the first Swiss air mail service between Zurich and Berne. A DH-3 aircraft failed a structural test in 1923 which caused the DH-3 to be withdrawn from service. The DH-3a, following modification, remained in service until 1939.
149:. It was basically the same airframe as the DH-2, the upper wing had a cutout to give a greater field of fire for the pivoting machine gun. It was a two-bay aircraft of wood and fabric construction, powered by a 120 hp (89 kW)
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water-cooled inline engine. Initial problems with the landing gear and the engine cooling system led to modifications. Further developments were the re-engined and improved
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Three aircraft powered by the indigenous 150 hp (112 kW) LFW 0 engine developed by the Swiss
Locomotive and Machine Works were built in 1918.
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two-seat reconnaissance aircraft, built by the aircraft department of the
Federal Construction Works (
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used for engine trials. Following successful trials with an installation of the
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314:(HS-41) V-8 water-cooled piston engine, 110 kW (150 hp)
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The
Illustrated Encyclopedia of Aircraft (Part Work 1982–1985)
254:
The
Illustrated Encyclopedia of Aircraft (Part Work 1982–1985)
165:slats all surviving DH-3as were modified in 1932.
145:, August Häfeli designed an improved version the
400:Häfeli DH-3 (M III) No 530, Argus As II engine
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444:1910s Swiss military reconnaissance aircraft
363:1x flexible machine gun in the rear cockpit
420:Häfeli DH-3 aircraft, Argus As II engine
130:Eidgenoessische Konstruktionswerkstaette
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341:400 km (250 mi, 220 nmi)
335:145 km/h (90 mph, 78 kn)
410:Häfeli DH-3 M IIIb, Argus As II engine
141:Following the poor performance of the
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418:ETH-Bibliothek Zürich, Bildarchiv.
408:ETH-Bibliothek Zürich, Bildarchiv.
398:ETH-Bibliothek Zürich, Bildarchiv.
280:12.5 m (41 ft 0 in)
274:7.95 m (26 ft 1 in)
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286:3.1 m (10 ft 2 in)
429:Konstruktion Häfeli DH-3 in Thun
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220:Cutaway replica of a Häfeli DH-3
186:Initial production version with
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454:Single-engined tractor aircraft
292:38 m (410 sq ft)
133:, (K+W)) at Thun, Switzerland.
320:2-bladed fixed-pitch propeller
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347:4,500 m (14,800 ft)
304:1,110 kg (2,447 lb)
298:1,587 kg (3,499 lb)
459:Aircraft first flown in 1917
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259:General characteristics
198:Hispano-Suiza HS-41 8Aa
247:Specifications (DH-3a)
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196:Improved version with
137:Development and design
36:Reconnaissance biplane
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384:. Orbis Publishing.
169:Operational history
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82:Primary user
312:Hispano-Suiza 8Aa
190:engine, 24 built.
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38:Type of aircraft
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62:Introduction
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93:Number built
326:Performance
318:Propellers:
308:Powerplant:
234:Switzerland
201:parachutes.
188:Argus As II
151:Argus As II
147:Häfeli DH-3
123:was a 1910
121:Häfeli DH-3
112:Hafeli DH-2
438:Categories
368:References
290:Wing area:
157:, and the
278:Wingspan:
252:Data from
212:Operators
54:Designer
449:Biplanes
353:Armament
178:Variants
101:DH-3b 3
99:DH-3a 83
72:Retired
284:Height:
272:Length:
97:DH-3 24
424:viewer
414:viewer
404:viewer
339:Range:
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361:Guns:
266:Crew:
204:DH-3b
193:DH-3a
159:DH-3b
155:DH-3a
125:Swiss
33:Role
19:DH-3
310:1 ×
183:DH-3
143:DH-2
119:The
76:1939
66:1917
48:K+W
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268:2
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