T.O. 1L-2A-1




The KB-18 strike camera (see figure 4-15) is of the moving film, panoramic type used for daylight low- level photography. It is mounted in the vertical position on the cabin floor to the right of the pilot, and provides fore and aft photographic coverage of 180 o along the line of flight and 40 o laterally. The major components of the camera system are the camera body, magazine, and camera control. The camera operates on 28-volts DC through a circuit breaker on the pilot's circuit breaker panel.

Camera Body.

The camera body contains a double-dove rotary prism, lens, automatic exposure control and motor , feedback potentiometer, variable slit width and diaphragm, and the scan drive motor and its associated gear mechanism. The camera body supports the magazine and provides the linkage gear which couples the drive mechanism to the magazine for film drive. Three trunnions enable the camera body to be rigidly mounted within the aircraft.


The magazine is a light-tight container and provides chambers for the film supply and take-up spools. Two light-tight covers are attached to the supply and take-up chambers by hinged fasteners. The covers provide access to the supply and take-up spool chambers during film loading and threading. The spools are capable of storing 250 feet of 70 mm perforated standard base film (350 feet of light weight film) . Two spool knobs, lock pins, and two keyed shafts support and lock the film supply and take-up spools. The magazine base contains the film keeper, supply and takeup sprockets, pressure roller, and magazine input gear. The magazine is secured to the camera body by four hinged fasteners and couples the input gear with the camera body linkage gear box for film drive.

Camera Control.

The camera control contains switches and electronic components necessary for operating the camera system. The switches determine camera operating time, cycling rate and film exposure, and are pre- set on the ground. The camera is ready for operation when a remotely-located camera power switch is positioned ON, and operates when a camera run switch button is depressed. The camera will continue to operate after the camera button is released for the overrun time (2-32 seconds) preset on the camera control OVERRUN switch.

Camera Power Switch

The camera power switch (5, figure 1-6) is a two- position toggle switch labeled ON and OFF. Placing the switch in the ON position provides electrical power to the camera control.

Camera Run Switch.

The camera run switch (4, figure 1-6) is a spring- loaded switch labeled CAMERA and ON. Depressing the button provides starting voltage to the camera. When the button is released, the camera will continue to operate for the preset overrun time as deter- mined by the switch setting on the camera control.

Film Out light.

The film out light (3, figure 1-6) is an amber light which illuminates when the last of the film is exposed. The light is marked FILM OUT .


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