In addition
many semi-armoured weapons of this character are in operation,
some specially built for the work, while others have been
improvised. In the semi-armoured motor-car the carriage follows
the usual lines; it has an open top, the armouring comprising the
body of the tonneau and the diskwheels, which are made of light
bullet-proof steel. Here again the prevailing practice is to
mount the gun as nearly above the rear axle as possible, and
to work it from the tonneau. The maximum elevation is also 75
degrees, with training throughout the entire circle.
Another type comprises a very light machine gun of rifle calibre,
and this is intended for attachment to an ordinary motor car.
There is a pedestal mounting which can be set within the tonneau,
while the weapon is pivoted in an outrigger, the latter being
free to rotate in its pivot jack. This arrangement enables the
arm to cover a wide range,while it also admits of training
through an extensive angle of elevation.
The Allied forces improvised travelling anti-aircraft offences
by mounting the latest types of Vickers, Hotchkiss, and other
machine guns in armoured motor cars.
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