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The excerpt represents the core issue or deciding factor on which you must meditate, and is drawn from Aeroplanes and Dirigibles of War by Frederick A. Talbot: gearing must be adapted to the circumstances.
Motor-mounted anti-aircraft weapons, however, have not proved an
unqualified success. The fact that the vehicles are condemned to
the high roads, or at least to comparatively smooth and level
ground, constitutes a severe handicap. Again, when travelling at
high speed, and this is essential when pursuing a fast aeroplane,
the accurate laying of the weapon is extremely difficult, owing
to the oscillation of the vehicle itself, especially if the road
surface is in a bad condition. The sighting arrangements are of
a wonderfully complete character, as described elsewhere, but the
irregular rolling movement arising from high speed is a
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