Description
This fuze is of the instantaneous, mechanical type. It consists of an electromagnetic arming contact and a vibratory circuit-closer mechanism mounted on a cylindrical metal base. A brass bell shaped hood covers the mechanism and is bolted to the base. The fuze is sealed and may be used under water. The fuze is 4 inches in diameter and 8 1/8 inches in height. It weighs 6.1 pounds. The mechanism is known to consist of a spring-suspended weight, the tension of which may be adjusted by a regulating knob; an electromagnet; a spring-loaded arming contact lever; and a spring-loaded actuating contact lever. Two electric leads project from the base of the fuze.
The fuze is normally used in mining railroads and is usually laid with a chemical delay or clockwork delay fuze connected to the circuit. The fuze is normally buried about 3 feet below the railroad bed.
Functioning
Vibrations from a train running over the railroad bed in which the fuze is laid cause the spring-suspended weight to move downward, forcing down the actuating contact lever, closing the contact, and completing the circuit. The circuit remains closed until broken by explosion of the charge or by breaking or cutting the electric wires, when all parts of the fuze returned to their original position. Since the fuze is usually laid at a distance from the charge, it may be reused.
Hazardous Components
No information about hazardous components.
Physical Data
No additional physical data available.
See Also
Nothing else to see.
Source(s)
