The Aircraft Version of the Madsen
The Danish Recoil Rifle Syndicate of Copenhagen in 1023 assigned its chief engineer, a Mr. Hamhroc, the job of redesigning the existing Madsen rifle-caliber infantry-type machine gun to aircraft use. Because of its flat profile, the weapon was comparatively easy to adapt to plane installation. The only significant change made was the addition of a muzzle booster with considerable restriction in its throat and a heavy spring buffer to dampen out the shock of the accelerated recoil the booster gave to the operating parts.
The rifle-caliber aircraft version weighed 181/2 pounds and had a cyclic speed of 1.000 rounds a minute. One of the main selling points with this machine oiiti was that it could be svnehro-
o j nized for fixed installations and still be light and mancuvcrahlc enough for successful flexible mounting.
The Junkers aircraft plant in Denmark, which assembled its planes from components made in Germany, bought thousands of the weapons for use in its products. This firm was German-owned but in order to operate and be free of Allied control, it had assembly plants in Denmark and Sweden. It sold fighter craft equipped with Madsen machine guns of varying calibers to any countrv interested.
Chambering the barrels to handle any rifle-
caliber ammunition desired was comparatively easy for the Danish gun company, as it had already produced over a hundred different models
Madsen Aircraft Machine Gun, 7.92 mm, Flexible Twin Mount
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