The puzzler got me thinking about flat fan belts. They are used today where ever ultra high speed and low friction are required. (They are the blades in bandsaws, for example.) Ever wonder about the contour of the pulley face, and what keeps the flat belt centered on the pulley? For the curious, t…

Internal friction. That’s what I figured you meant. It didn’t come out clear.

"" Ever wonder about the contour of the pulley face, and what keeps the flat belt centered on the pulley?"" Honestly, I never have wondered!!

Some of us are more curious than others.

I wonder about it, and looked it up, many years ago. So far back I don’t even remember. I have an enquiring mind…

Monkeys are curious too. JUST KIDDING!!!

I am hoping Ober made it past the front lines before they discovered a twist in the belt would make it wear faster.

There’s no way the mobius strip answer would work. The belt would not rotate around leaving the twist in one spot between pulleys, but the tiwst would rotate with the belt and go over the pulleys, doing nothing to extend the life of the belt. Now if something could be engineered in to keep the twist…

nickpang — "There's no way the mobius strip answer would work. The belt would not rotate around leaving the twist in one spot between pulleys, but the tiwst would rotate with the belt and go over the pulleys"And you know this how? Gut feel? Twisted belts were often used on old farm equipment, either…

RE the fan belt puzzler

The Show

MBStever February 11, 2012, 8:33pm 9

Give me a break: Moe B. Usse? Hummm…Mobius?

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RE the fan belt puzzler

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