to follow, note that certain numbers have been circled, to show that each
represents a group of vehicles that could fit on a car.
Analyzing your table, you note that three 1/4ton trucks can fit on
either car and still leave enough brake wheel clearance12 inches. You
circle the total length for the three trucks (359.4) to show it is a
possible combination. Only one 2 1/2ton truck will go on either flatcar.
Although two 2 1/2's fit on a 50ton car, not enough clearance remains for
the brake wheel. Circle the (266.8). The length of the personnel carrier
is 191 1/2 inches. Twice that length, (383), could fit on either car, so
that you circle it tentatively, remembering a possible weight or center of
How about vehicle weight? Again you make a table, this time showing
the combined weights of multiples of the same kind of vehicle:
WEIGHT OF VEHICLES, POUNDS
Three 1/4ton trucks are still a good combination on either flatcar.
Circle (7,050) because its weight is under both load limits. Since not more
than one 2 1/2ton truck can fit on either car, as you have seen, circle
(12,840). And now for the personnel carriers. Even though, as you can see
in the table, the weigh of three of them (59,265) does not exceed the load
limit of either the 40 or 50ton flatcar, their length, 574.5 inches, would
be too much for a 40ton car. Circle (39,510). Now, on paper, start
loading your flatcars, filling up the 40ton ones, for economy, before going
to the 50ton.