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Halberstadt D.IV


Biplane Fighter Prototype Aircraft


Just three prototypes served the Halberstadt D.IV fighter project - the design rejected by German authorities.
Authored By: Staff Writer | Last Edited: 7/31/2019
The Halberstadt D.IV mark was a short-lived biplane fighter following the earlier D.II design. The D.IV was developed to a German Air Service contract that was awarded on March 9th, 1916 calling for a twin-gunned fighter of strong performance and dogfighting qualities. The resulting aircraft failed to meet expectations and only three were built by the company - authorities citing poor cabane design obstructing critical views for the pilot.

The aircraft was given many traditional biplane fighter qualities of the period - a single-seat open-air cockpit, a biplane (over-under) wing arrangement and fixed wheeled undercarriage (tail-dragger). Power was to come from an engine outputting 150 to 160 horsepower so the Benz Bz.III series engine of 150 horsepower was used to drive the two-bladed wooden propeller. The engine sat under a cowl which added some aerodynamic efficiency at the nose. Armament was to be 2 x 7.92mm synchronized machine guns firing through the spinning propeller blades.

Three D.IV aircraft were contracted for to serve in various levels of testing. The design was formally showcased to German authorities during October of 1916 but was rejected. Nevertheless, the company moved the design forward and produced the successful CL.II two-seat escort/fighter / ground attack biplane. 800 of this mark were built before war's end.






Specifications



Year:
1916
Status
Cancelled
Crew
1
[ 3 Units ] :
Halberstadt - German Empire
National flag of German Empire German Empire (cancelled)
- Fighter
- X-Plane / Developmental
Length:
23.62 ft (7.2 m)
Width/Span:
27.56 ft (8.4 m)
Height:
8.37 ft (2.55 m)
(Showcased structural dimension values pertain to the Halberstadt D.IV production model)
Empty Weight:
1,367 lb (620 kg)
MTOW:
1,830 lb (830 kg)
(Diff: +463lb)
(Showcased weight values pertain to the Halberstadt D.IV production model)
1 x Benz Bz.III engine developing 150 horsepower and driving a two-bladed propeller at the nose.
(Showcased powerplant information pertains to the Halberstadt D.IV production model)
Maximum Speed:
92 mph (148 kph; 80 kts)
Service Ceiling:
11,811 feet (3,600 m; 2.24 miles)
Rate-of-Climb:
650 ft/min (198 m/min)
(Showcased performance values pertain to the Halberstadt D.IV production model; Compare this aircraft entry against any other in our database)
PROPOSED:
2 x 7.92mm LMG 08/15 machine guns synchronized to fire through the spinning propeller blades.
(Showcased armament details pertain to the Halberstadt D.IV production model)
D.IV - Base Series Designation; three prototypes completed.

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