Dutch Modelling and Aviation

In Memoriam

Klaas Willem Jonker
(Wilko)
† April 30, 2018

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

Halberstadt CL.IV

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History

The CL.IV was designed as successor of the CL.II, an effective ground support aircraft. The design was specially focused on this task.
The CL.IV had a shorter, strengthened fuselage and an enlarged horizontal tail. These modifications gave the aircraft an improved manoeuvrability compared with the CL.II.
450 examples were built by Halberstadt and LFG (Roland) built another 250 examples.

 

Technical information
Dimensions:
Length: 6,53 m Wingspan: 10,74 m
Height: 2,67 m Wing area: 27,6 m2
Weights:
Empty weight: 726 kg Max. start weight: 1057 kg
Performances:
Max. speed: 186 km/hr Climbing speed: 32 min to 5000 m
Cruising speed: - km/hr    
Range: 3,5 hours Service ceiling: - m
Miscellaneous:
Engine type: One Mercedes D-III rated 160 hp
Crew: Two men: one aviator plus one observer/air gunner
Armament: Two fixed forward firing 7,9 mm Spandau LMG 08/15 machine guns; one movable 7,9 mm Parabellum MG 14 machine gun. Maximum of 5x10 kg bombs

 

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