VT BOMB AND ROCKET FUSES Part 4

Description

Reel 1 explains differences between time, or contact fuses and the VT fuse. The arming distance and the zone of sensitivity of the VT fuse are diagramed. The advantage of an air burst and of a steep angle of approach to the target are diagramed. Demonstrates how to assemble the fuse. Reel 2, fuses are fitted into rockets and bombs which are then loaded onto planes. The action of the VT fuse is demonstrated in a practice bombing. Reel 3 explains the importance of a time interval between bombs to prevent premature explosions. Diagrams explain the necessity for delaying automatic arming when bombing from flying formations.

Collection

Records of the Office of the Chief Signal Officer

Series

Film Bulletins