FUZE n.
until required for action are then brought into contact, and uniting chemically, produce explosion. -- Concussion fuze, a fuze ignited by the striking of the projectile. -- Electric fuze, a fuze which is ignited by heat or a spark produced by an electric current. -- Friction fuze, a fuze which is ignited by the hea…
GUN n.
ropels a missile to a distance; any firearm or instrument for throwing projectiles by the explosion of gunpowder, consisting of a tube or barrel closed at one end, in which the projectile is placed, with an explosive charge behind, which is ignited by various means. Muskets, rifles, carbines, and fowling pieces are sma…
INTERNAL-COMBUSTION; INTERNAL-COMBUSTION ENGINE a. 2 definitions
ressure energy necessary to produce motion is developed in the engine cylinder, as by the explosion of a gas, and not in a separate chamber, as in a steam- engine boiler. The gas used may be a fixed gas, or one derived from alcohol, ether, gasoline (petrol), naphtha, oil (petroleum), etc. There are three main classes:…
OTTO CYCLE n.
ylinder of explosive charge, as of gas and air; second stroke, compression, ignition, and explosion of this charge; third stroke (the working stroke), expansion of the gases; fourth stroke, expulsion of the products of combustion from the cylinder. This is the cycle invented by Beau de Rochas in 1862 and applied by Dr.…
PILE n.
gh frame, with suitable appliances for raising to a height (by animal or steam power, the explosion of gunpowder, etc.) a heavy mass of iron, which falls upon the pile. -- Pile dwelling. See Lake dwelling, under Lake. -- Pile plank (Hydraul. Eng.), a thick plank used as a pile in sheet piling. See Sheet piling, under…
PROPERTY n.
properties, or those which are conditioned by affinity and composition; thus, combustion, explosion, and certain solutions are reactions occasioned by chemical properties. Chemical properties are identical when there is identity of composition and structure, and change according as the composition changes. 3. Organolep…
RAPID-FIRE; RAPID-FIRING a.
of not less than one inch caliber, firing a shell of not less than one pound weight, the explosion of each cartridge operating the mechanism for ejecting the empty shell, loading, and firing the next shot, the latter being guns that require one operation of the hand at each discharge, to load the gun. (2)…