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In Memoriam

Klaas Willem Jonker
(Wilko)
† April 30, 2018

On Monday 30 April 2018, Wilko Jonker died after a long illness at the age of 58. He leaves behind a wife and two children. The Dutch military aviation and plastic modeling were his hobby and on this website he shared all the knowledge he has collected over the years. His hobby has been able to distract him from the persistent disease in his body until the last week of his life. The contacts with other hobbyists were a major support for him.

This website will be maintained by different people for as long as possible, so that other enthusiasts can continue to benefit from extensive content.

Created: Tuesday, 21 June 2011 09:24 | Last Updated: Monday, 05 October 2015 18:19 | Published: Tuesday, 21 June 2011 09:24 | Print | | Hits: 8545
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History

Early 1917 IDFlieg released a specification for a new aircraft type, CL. This type was meant to escort reconnaissance aircraft an for ground attacks.
Halberstadt developed an CL type based upon the rather unsuccessful Halberstadt D.IV fighter.
It was a wooden single engined biplane, with a machine gun for the gunner/observer. The Cl.II was approved in may 1917 and entered production.
Halberstadt built about 700 examples and BFW, Bayerische Flugzeug-Werke, built 200 examples.

Versions.

  • CL.II: main production version, equipped with a 150 hp Mercedes D.III engine.
    • CL.IIa: equipped with a BMW IIIa engine. Few were built for testing purposes.

 

Technical information
Dimensions:
Length: 7,5 m Wingspan: 10,77 m
Height: 2,75 m Wing area: - m2
Weights:
Empty weight: 773 kg Max. start weight: 1133 kg
Performances:
Max. speed: 165 km/hr Climbing speed: 5 min to 100 m
Cruising speed: - km/hr    
Range: 3 hours Service ceiling: 5100 m
Miscellaneous:
Engine type: Rated Mercedes D-III van 160 hp
Crew: Two men; one aviator plus one observer/air gunner
Armament: One or two fixed forward firing 7,9 mm Spandau LMG 08/15 machine gun plus one movable 7,9 mm Parabellum MG 14 machine gun.