Chapter 15

Making Metal Parts Pretty

IN THIS CHAPTER

check Digging abrasives

check Shopping for the right shapes

check Bonding abrasives together

check Going straight (line)

check Shining up and blasting off

check Putting the metal to the metal

Fortune favors the prepared mind.

— LOUIS PASTEUR

In the awesomely classic movie Back to the Future, Doctor Emmett Brown had but one reason for choosing to build his time machine from a DeLorean DMC-12. It wasn’t in the interests of style, as he told young Marty McFly. It wasn’t the car’s streamlined body style or gullwing doors. No, the decision was based on a very selfish motive: He knew that its stainless-steel body would need very little maintenance, giving him more time to focus on his scientific studies.

Seriously. The motor was woefully underpowered for rapid acceleration to 88 miles per hour, a fact that almost left Marty McFly stranded in the 1950s. The electrical system ...

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