Encyclopedia > Rotations per minute

Article Content

Rpm

Redirected from Rotations per minute

Short for revolutions per minute, rpm is a unit for rotational speed. Gramophone or analogue disc records typically rotate with 33, 45, or 78 rpm. Aircraft motors can rotate with 8000 rpm. An automobile's motor typically makes between 1000 and 4000 rpm.

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

Great River, New York

... and 417 families residing in the town. The population density is 129.8/km² (336.2/mi²). There are 519 housing units at an average density of ...