The more drag between the pedals and the smart trainer, the slower the virtual rider will go for the same energy input.

The bracket to hold all this and the very large pulley on the wheel are all 3D printed in PLA-carbon fiber mix. When it’s assembled, it runs the bike from a small lithium ion pack. That’s not ...

The more pulley wheels you add to the mechanism ... ln the example below, the larger gear is twice as big as the smaller gear, with twice as many teeth. The smaller gear will rotate twice for ...

This method could be accomplished without the wheel pulley's or hundreds of men. Perhaps they even made a ravine filled with water to move the large stones using beasts of burden over (below ...

Danish artist Jeannette Ehlers has produced an ominous, rough-hewn, wooden wheel reminiscent of the human-powered pulleys ...

when he filled a large container with water and fixed a paddle wheel inside it. The wheel was held in place by an axle with a string around it and then looped over a pulley and attached to a ...

R: The black ducts behind the front wheels are functional extractors ... This, and a 51/49 percent front/rear weight ...

Certain skeletal features of archaic whales, particularly their large, triangular cheek teeth ... bottom of the bone like the grooves on a pulley wheel that holds a rope. The shape gives ...

Slide the drive wheel over the shaft ... Then trace and cut a large notch out of the underside to fit the pulleys and the ...

A car engine belt that's squealing or chirping indicates a problem that needs to be fixed. The post If Your Car’s Belts Are ...