Making a Gear: A gear is basically a cylinder with teeth all around it. Figure A 1. The easiest way to make cardboard gears is to separate the outer layer of cardboard from the corrugated bit (fig. a). Usually one side is easier to remove than the other. Do a test on a scrap piece to see which side comes off easy and clean. 2. Once you have a long section of exposed corrugation, wrap it around your circular pieces to see if the teeth match up (fig. b). Figure B 3. In this case, they don’t. There’s a bit of overlap. This is easy to fix. 4. Basically, you just add a thin layer of material to try and make the circle a little bit larger in order to get the teeth spacing correct. You can use the thin piece of cardboard that you just peeled off, or a strip of cereal box might work as well. Figure E 5. Once you add the paper layer (essentially creating a cylinder), then you can wrap the corrugation around it again to see if the teeth are properly spaced. Once they are, mark where you cut and give it a snip (fig. e). Figure H 6. I find it’s easier to join the two ends together to make a loop (fig. f), and then slide that onto the cylinder (fig. g). 7. When it’s about halfway on, add glue around the inside and push it on the rest of the way (fig. h). Build Your Own Chain Reaction Machines Machines For Your Room These machines are a perfect way to spice up some of the ordinary, everyday things you do in your room. While the outcome is practical, the means for getting there are anything but. Machines For Around The House While not as convenient as your own personal robot, these machines take the monotony out of simple chores that you do every day. You’ll never see your toothbrush as boring and ordinary again! Machines For Fun and Nonsense Not all chain-reaction machines serve a specific purpose. The four machines featured in this chapter aren’t just fun to build, they’re also sure to amuse!
✔ Author(s): Mr. Paul Long
✔ Title: Build Your Own Chain Reaction Machines: How to Make Crazy Contraptions Using Everyday Stuff--Creative Kid-Powered Projects!
✔ Rating : 4.4 out of 5 base on (193 reviews)
✔ ISBN-10: 1631595261
✔ ISBN-13: 9781631595264
✔ Language: English
✔ Format ebook: PDF, EPUB, Kindle, Audio, HTML and MOBI
✔ Device compatibles: Android, iOS, PC and Amazon Kindle
Readers' opinions about Build Your Own Chain Reaction Machines by Mr. Paul Long
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