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Toy Dump Truck
The dump truck, Figs, 6, 8, 9, and 10, is the largest of the four toys. The chassis is built somewhat differently from the others, in order to allow the body to be raised to a better position for dumping. A very good truck of this kind may also be built on one of the simpler chassis previously described. The chassis requires two beamlike pieces 7/8 by 17/8 by 25, 5/8 inch. These are held 4, 1/2 inch apart at the front end by a piece 7/8 by 4, 1/4 by 11, 7/8 inch; this runs to back of the cab. The dummy springs arc spring-shaped pieces of wood screwed to the underside of the chassis as shown. Between the two front springs is fastened a piece 7/8 by 1 by 4, 1/4 inch to represent the front axle, and between the two rear ones is a piece of wood cut from a piece 7/8 by 2, 1/8 by 4, 1/4 inch to represent the rear axle and differential housing (See Fig 6).
The body rests on three cross members, notched out as shown. Two of them are 7/8 by 2, 1/4 by 6 inch and the forward one is 7/8 by 1, 3/8 by 6 inch. The body is hinged to the rear crosspiece with a common steel butt hinge. The running boards or steps are made by gluing and screwing a length of wood 1/4 by 3, 3/8 by 8 inch under the chassis. The hood is shaped from a block 3, 3/4 inch high, 4, 3/4 inch wide and 5, 5/8 inch long. The radiator block is 1, 1/8 inch thick, 4, 5/16 in. high, and 6 in. wide. The filler cap is a screw cap from a shaving cream tube, fastened to the block with a roundheaded screw. Two green rhinestone buttons are set into 5/16 inch holes board in the front of this piece for side lights, and a red one is set in the rear end of one of the chasis beams. The buttons are cemented in with shellac.
The headlights are made of a spool as in the preceding models, and a green or yellow rhinestone button is pushed or cemented in each. The cab consists of a front and rear piece 3/8 by 5, 1/4 by 7, 1/4 inch, and two side pieces 3/8 by 5, 1/2 by 7, 1/4 inch, cut with a coping saw. The top is made a thicker piece of wood (7/8 by 6 by 6 inches), planed and sanded to give the characteristic curve at the top. The front end may be made, if preferred, by gluing and nailing two uprights to the radiator block with a cross member between to support the roof. The steering wheel and seat are made as before. The hoist is made of two wooden uprights shaped and mounted on the chassis and to the cab back as shown in Fig. 10. Bolt holes are bored at the top for the bolt on which the spool pulley turns. The crank handle may be made of thick laminated wood or of soft wood. The holes in it should be bored before the crank shape is sawn out; then the crank and shaft are glued in. Deep saw cuts are made in each end of the crank and part way into the dowels so that a piece of thin berry-box wood can be glued in each cut, across the grain, to prevent the handle from splitting. One end of a strong linen tape is screwed to the lower part of the front end of the truck body with short screws passing through a narrow strip of tin across the end of the tape, which also may be glued to the body. The other end of the tape is secured to the crank shaft, between the hoist, in the same way. The body is a strong box of 1/2 inch, wood, 4, 1/4 by 6 by 13, 5/8 inch in outside dimensions. The rear end is left open. A sliding tailboard fits in between narrow strips of wood, or slides may be nailed and glued in place so that this tailboard may be pulled up or reuioved for dumping. Along the top of each sidepiece is a simi)le molding made of a planed strip of wood (sec Fig. 6). The wheels are 4, 7/8 inch in diameter of white wood, birch, or mai)le, turned to represent disk wheels with large truck tires, but excellent ones may be made of plain sawn disks. Notice that double wheels are used on the rear end (Fig. 6). These wheels are secured to the chassis by large, strong round-headed screws, two or three iron washers being placed between each wheel and the chassis, and one under each screw head. Extra strong axles may be made for this truck by using lengths of 1/4 or 5/16 inch diameter soft steel rod to run across the chassis and through the wheels. Steel washers are used as before and the ends of each axle arc riveted over to hold the wheels on, an iron washer being under each rivet head thus made and the wheel. In this event the wooden front and rear axles may be set forward slightly to clear the steel rod, or a hole may be bored clear through each to take the axle. The chassis of the truck is painted red, as are the wheels, steering wheel, hoist, and headlights. The liood, radiator, cab, and body are painted black; the inside of the cab is jade green, and the inside of the body, khaki color. Silver paint is used to stripe the wheels, for the crank and pulley, on the sides of the radiator, front of the headlights, filler cap, and bolt heads on the hoist. The top of the scat inside the cab is painted black, antl the tires on the wooden wheels, a dark gray or rubber color.
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