Cog, gear or toothed wheels are now made on a large scale and kept in sizes, so that you have only to send the pitch and size of the wheel you want, and you will receive from the foundry or ...

The difficulty encountered due to the variation of the torque as the gear-tooth rolls into and out of engagement with the grinding-wheel is overcome by applying the power to the spindle carrying the ...

More especially with regard to geared wheels have their studies been found ... the primary object aimed at in the construction ef toothed gear is the uniform transmission of the power, supposing ...

where N C and N S are the tooth counts on the chain and sprocket gears respectively. The ratio gives the number of sprocket revolutions per chainwheel revolution. The road advance of the bike per ...