| Answer | Crossword Clue |
|---|---|
| RPM | Wheel speed: Abbr. |
| RPM | Wheel speed. |
| RPM | Wheel-speed meas. |
| RPM | Speed measurement of a wheel. |
| pulley | A wheel or drum fixed on a shaft and turned by a belt, used esp. to increase speed or power |
| pulleys | A wheel or drum fixed on a shaft and turned by a belt, used esp. to increase speed or power |
| wormgear | mechanism consisting of a worm engaging with and driving a worm wheel, the two axes usually being at right angles, used where a relatively low speed and a relatively large amplification of power are desired |
