Operation and Tactical Use of the Lewis Automatic Machine Rifle; Based on the Experience of the European War - Softcover

Inhaltsangabe

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1917. Excerpt: ... CHAPTER II THE PARTS OF THE GUN The parts of the gun may be conveniently divided into four headings or " Groups": 1. Barrel group (six parts). 2. Receiver group (four parts). 3. Working parts (nine parts). 4. Buttstock (two parts). 1. Barrel Group 1. The Barrel is round in section, tapering towards the muzzle, where it is threaded to allow of the barrel mouthpiece being screwed on. The chamber end of the barrel is also threaded, to permit its being screwed into the receiver. About four inches from the muzzle the barrel has a small hole, called the "gas port," on its underside to allow the gas to pass through into the gas cylinder. 2. Barrel Mouthpiece.---This screws on. to the muzzle and is a tubular nut of special shape. It is so designed that it causes the gases to produce the draught (referred to in Chapter I) for cooling purposes, and also to check the recoil. It also secures the radiator in position. 3. Radiator is made of aluminium, a very light metal, but a good conductor of heat. It fits closely over the barrel, and has fins running the length of the barrel, along which the cooling air is drawn. 4. Radiator Casing.--This consists of three parts. Parts 1 and 2 are made of thin tubular steel, slightly checked to prevent it shining in the sun. 1. The front radiator casing, which in conjunction with the barrel mouthpiece aids in the cooling system. 2. The rear radiator casing, which covers the aluminium radiator, and confines the cooling air to the radiator fins. This part is permanently fixed to: 3. The rear locking piece, which on the top has a flat platform over which the magazine passes, and underneath a recess for the receiver locking pin, which by this means locks the barrel group. It also has a hole underneath, into which the gas cylinder fits,...

Die Inhaltsangabe kann sich auf eine andere Ausgabe dieses Titels beziehen.