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

By Mike Rigsby

Combining enjoyable and interactive actions, this consultant could have little ones captivated for hours developing incredible racing autos with the fundamentals of simply rubber bands, cardboard, and glue. those uncomplicated directions with templates permit budding engineers to achieve hands-on event as they research not just how one can construct a easy racer, yet the way to make differences equivalent to aluminum foil axle bearings, guidance mechanisms, hinges, cam shafts, and wheels produced from previous CDs. This helpful source has step by step directions for creating a uncomplicated rubber-band version, a railroad push-car, and a high-speed racer. different particular 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. young ones may find out how to construct a rubber band automobile sufficiently big for a human. Exploring wheels, bearings, and friction, little ones will examine not just find out how to make quick racers but additionally the technology that makes the method work.

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

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Until now. You can reduce friction with a simple aluminum foil bearing. 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.

Decorating the Car Materials and Tools Red and yellow acrylic paint Glitter paint Paintbrushes Water Thin ribbon Scissors Aluminum foil White glue Posterboard Hole punch 01 (001-056) chapters 01-07 22 9/7/07 1:39 PM Page 22 Amazing Rubber Band Cars First, if you want the car to be operational, add rubber bands and battery, following the instructions in chapter 1. Decorate the cardboard frame and wheels of your car using acrylic paint, glitter paint, and ribbon. To make the foil spinners, cut circles—any size you like—from aluminum foil and glue them to circles cut from posterboard.

01 (001-056) chapters 01-07 9/7/07 1:38 PM Page 17 3 Bearings and Friction To make a car roll more easily, you must reduce the friction between the bearings and the axles. Bearings are the part of a machine in which an axle turns. The bearings on your car have been nothing more than a hole in a piece of cardboard . . until now. You can reduce friction with a simple aluminum foil bearing. 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.

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