I'm building machine that needs to pull a rope at 10 ft/s. I did the math to figure out what size pulley I need and I don't like the answer. I've seen similar machines in the past and I seem to ...

We’ve seen this one time and time again: water pump pulley ratio, meaning crank pulley and water pump pulley sizing. The ratio in size between the pulleys on the crankshaft and water pump must be what ...