View source for Straight-nine engine

{{Short description|Piston engine with nine cylinders in a straight configuration}}
{{notability |date=January 2025}}
The '''straight-nine engine''' (also referred to as an '''inline-nine engine'''; abbreviated I9 or L9) is a [[piston engine]] with nine cylinders arranged in a straight line along the [[crankshaft]]. The most common application is for large [[diesel engine]]s used by [[ship]]s.

Examples of straight-nine engines include:
*Rolls-Royce [[Bergen Engines|Bergen]] B, C and K series<ref>{{cite web |url=https://archive.today/20120730153647/http://www.ffklubben.com/Om%20bedriften/Om%20bedriften.htm |title=Historie om bedriften |trans-title=Company history |language=Norwegian |access-date=2025-01-24}}</ref>
*[[Wärtsilä]] RT-flex60C-B,<ref>{{cite web |url=https://www.dieselduck.info/machine/01%20prime%20movers/rt_flex/2004%20Wartsila%20RT%20Flex%20desc.pdf |title=The Sulzer RT-fl ex Common-Rail System Described |page=2 |publisher=Wärtsilä |via=Martin's Marine Engineering Page |access-date=2025-01-24 |year=2004}}</ref> RT-flex82C, RTA84T-D, RTA84C, RTA96C, 20, 26, 32, Wasa32LN, 38, 46 and 46F series

==References==
{{Reflist}}

{{Piston engine configurations}}

[[Category:Piston engine configurations|Straight-09]]
[[Category:Nine-cylinder engines]]
[[Category:Straight engines|09]]


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