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<br />Turning Track Plot <br /> <br />eo Intersection of a-a and semitrailer wheelbase arc marks new location of BL or BLz <br />f. From point BLz erect a perpendicular to a-a. <br />g. From point BLz' 48 inches (Y2 semitrailer width) down on perpendicular from part f, mark point <br />IT. <br />h. Continue advance around angle of turn of interest (drawing a1 -aI, from P3 through BLz' etc.) <br />and finally correct all points IT to obtain a semitrailer turning track plot. <br /> <br />Plots for Doubles are made in a manner similar to tractor-semitrailer plots. For Doubles plots the pintle hook <br />pivot center path and dolly fifth wheel pivot center path must also be plotted in a manner similar to plotting <br />semitrailer path, before the rear semitrailer path can be plotted. <br /> <br />Doubles <br /> <br />o <br /> <br /> <br />Pintle hook pivot <br /> <br /> <br />o <br /> <br />dolly fifth wheel pivot <br /> <br />Plots for Truck-Full Trailer are made in a manner similar to tractor-semitrailer plots. For Truck-Full Trailer <br />plots the pintle hook pivot center path is plotted in a manner similar to plotting a tractOr fifth wheel pivot <br />path. Both the Full Trailer steering axle pivot path and Full Trailer Track path are plotted in a manner <br />similar to plotting semitrailer path. <br /> <br />Truck-Full Trailer <br /> <br /> <br /> <br /> <br />o <br /> <br />pintle hook pivot <br /> <br />Full Trailer steering <br />axle pivot <br />