Editing Starter (engine) (section)

===Spring starter===
[[File:Spring Starter.JPG|thumb|Modern spring starter]]
A spring starter uses [[potential energy]] stored in a [[spring (device)|spring]] wound up with a crank to start an engine without a battery or [[alternator (automotive)|alternator]]. Turning the crank moves the pinion into mesh with the engine's [[ring gear]], then winds up the spring. Pulling the release lever then applies the spring tension to the pinion, turning the ring gear to start the engine. The pinion automatically disengages from the flywheel after operation. Provision is also made to allow the engine to be slowly turned over by hand for engine maintenance. This is achieved by operating the trip lever just after the pinion has engaged with the flywheel. Subsequent turning of the winding handle during this operation will not load the starter. Spring starters can be found in [[engine-generator]]s and [[hydraulic power pack]]s, and on [[Vincent lifeboat engine|lifeboat engine]]s, with the most common application being backup starting system on seagoing vessels. Many [[Briggs & Stratton]] [[lawn mower]]s in the 1960s had hand-cranked spring starters.<ref>{{cite AV media |title=1963 Briggs Wind-up Starter |website=YouTube |url=https://www.youtube.com/watch?v=KsxwHnc7GFs}}</ref>