Category:Electromechanical Sirens

From airraidsirens.net, the Internet's premiere site for siren information and discussion
Revision as of 02:24, 13 December 2013 by Ziginox (talk | contribs) (Created page, quick blurb about how they work)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search

Electromechanical sirens generally use a cylindrical, slotted rotor inside of a similar stator. The rotor spins inside the nonmoving stator, causing air to be forced out like a squirrel cage blower. The slots are alternately blocked and opened as the rotor spins, causing vibration and sound.