the method is fully applicable to back-ing movements of four-wheel trailer outfits, one musttake cognizance of the practice so far followed, consist-ing in locking the front wheels when the outfit is to bebacked up while unlocking the rear wheels and steeringthem by hand. The steering by hand… … TRAILINGCURVE C Fig. 14—Diagram showing how the tracks of trail-ing wheels can be easily plotted, when the curvedescribed by leading wheels or by a relatively fixedpoint, such as a coupling hook, is known or as-sumed. By this method and symbolic figures forthe vehicles (the figures drawn to scale)…
Automobiles · Aeronautics
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