Encyclopedia > Rpm

Article Content

Rpm

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

Sakhalin

... the Daurian larch[?] are the chief trees; on the upper parts of the mountains are the Siberian rampant cedar[?] (Cembra pumila) and the Kurilian bamboo[?] (Arundinaria ...