Amazing Rubber Band Cars: Easy-to-Build Wind-Up Racers, by Mike Rigsby

Crafts Games

By Mike Rigsby

Combining enjoyable and interactive actions, this consultant could have young children captivated for hours developing outstanding racing autos with the fundamentals of in basic terms rubber bands, cardboard, and glue. those basic directions with templates permit budding engineers to realize hands-on adventure as they study not just find out how to construct a easy racer, yet find out how to make alterations comparable to aluminum foil axle bearings, steerage mechanisms, hinges, cam shafts, and wheels produced from outdated CDs. This helpful source has step by step directions for creating a simple rubber-band version, a railroad push-car, and a high-speed racer. different exact tasks comprise Oscar the giggling Clown, which has a jaw mechanism that opens and closes whilst it strikes, and notice the puppy, which has a relocating tail. teenagers may how to construct a rubber band automobile sufficiently big for a human. Exploring wheels, bearings, and friction, children will study not just easy methods to make quick racers but in addition the technological know-how that makes the method work.

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Extra info for Amazing Rubber Band Cars: Easy-to-Build Wind-Up Racers, Models, and Toys

Sample text

To make the basic rubber band car roll, raise the foamboard. Raising the foamboard at 01 (001-056) chapters 01-07 9/7/07 1:39 PM Page 21 Bearings and Friction 21 an angle causes the car to react in two ways. First, the force of gravity still wants to pull the car downward, toward the foamboard. When the foamboard was flat, it pushed back up with the same force, and the car sat still. But at an angle, the foamboard pushes back on the car in a slightly forward direction. Gravity pulls down while the foamboard pushes forward, and the car moves.

Materials and Tools Scissors Ruler Aluminum foil 2 round pencils 17 01 (001-056) chapters 01-07 18 9/7/07 1:38 PM Page 18 Amazing Rubber Band Cars Start with the cardboard car frame from chapter 1. Insert the scissors into the axle holes and rotate left and right to enlarge each until both are about 1⁄ 2 inch across. Take a piece of aluminum foil, about the size of a sheet of notebook paper, and fold it lengthwise, over and over in layers, into a strip that is about 1 inch wide. The completed strip should look like the photo here.

Take a piece of aluminum foil, about the size of a sheet of notebook paper, and fold it lengthwise, over and over in layers, into a strip that is about 1 inch wide. The completed strip should look like the photo here. 01 (001-056) chapters 01-07 9/7/07 1:39 PM Page 19 Bearings and Friction 19 Wrap the folded foil strip around a round pencil. Insert the pencil with the foil tube into the cardboard frame. Depending on how large you made the hole with the scissors, it may be necessary to remove some layers of the foil, but the foil should fit snugly.

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