Turned metal barrels for the 20 mm Colt Mk 12 cannon for the A-4 Skyhawk model in 1:72 scale replace the small plastic stubs in the wing root with accurate parts with a real bore. An accessory for a build, not an aircraft kit.
Responsibility details are not available.
A set of turned metal parts from Master intended to improve the model of the light carrier attack aircraft A-4 Skyhawk in 1:72 scale. It is not an aircraft kit but an accessory that replaces the plastic muzzles of the cannon housed in the wing roots.
The smaller the scale, the harder it is to produce armament detail in injection-molded plastic. In 1:72 scale the barrel of a 20 mm cannon is thinner than a pin, and in kits it is usually represented only by a short stub or a dimple. Drilling such a diameter by hand means a high risk that the bit will break off inside the part and damage the surrounding surface. Turned metal gets around this problem: the part has a finished bore, it is perfectly straight and its wall stays thin even once fitted, which is exactly what cannot be done in plastic.
The A-4 Skyhawk is an American single-engine carrier attack aircraft with a delta wing, designed as a light and simple machine able to operate from the decks of aircraft carriers. The armament consisted of two 20 mm Colt Mk 12 cannon housed in the wing roots; the main armament was carried on external pylons. The aircraft was in service with a number of users for several decades.
Parts of this size are handled with fine-jawed tweezers and over a light-colored surface on which a dropped part can be found. The hole in the wing root is opened up with a micro drill, the part is slid in dry and fixed with a minimal drop of gel cyanoacrylate applied with a pin. Degrease the metal with alcohol before painting and go over it with a primer for metal. When dusting the finished model off at the end, keep a soft brush away from the barrels — a fine bristle catches on them easily and pulls them out of the hole.
This is an accessory for building a model, not a standalone kit. The basic model, glue and paints are not included in the package.
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