Square gears?

Gareth Branwyn

Gareth Branwyn is a freelance writer and the former Editorial Director of Maker Media. He is the author or editor of over a dozen books on technology, DIY, and geek culture. He is currently a contributor to Boing Boing, Wink Books, and Wink Fun. And he has a new best-of writing collection and "lazy person's memoir," called Borg Like Me.

4021 Articles

By Gareth Branwyn

Gareth Branwyn is a freelance writer and the former Editorial Director of Maker Media. He is the author or editor of over a dozen books on technology, DIY, and geek culture. He is currently a contributor to Boing Boing, Wink Books, and Wink Fun. And he has a new best-of writing collection and "lazy person's memoir," called Borg Like Me.

4021 Articles

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squaregears2.jpg

Richard Kline writes:

Non circular gears are strange. When the topic of square gear trains appears in casual conversation, people tend to think a joke is being made, that it is ‘impossible’ to make a square gear that actually meshes properly. After being drawn into a vicious debate with a co-worker about the existence and plausibility of such gears, I realized I had no choice but to resort to an actual demonstration to sway his view. In the not-too distant past this would have been a virtual impossibility, at the very least I would have had to spend an indeterminate amount of time hunched over a scroll saw, trying to cut splintery wooden gear prototypes by hand. Fortunately, this is the pushbutton world of 2009, a Google search turns up dozens of laser/waterjet cutting services and MakerBots are squeezing out ABS plastic Darth Vader helmets in every good nerd’s house this Christmas. And thus, a project was born…

Gears Squared