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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. Subject to disclaimers.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue

• 2008-08-10 21:04 Cuddlyable3 254×384× (366295 bytes) {{Information |Description=Animation of a 4-stroke engine showing airflows |Source=I created this work using as engine block Image:4-Stroke-Engine.gif under GNU Free Documentation license by UtzOnBike. Inspired by Scheinwerfermann. |Date=10 aug 2008 |Auth
• 2008-08-10 15:39 Cuddlyable3 254×384× (366276 bytes) {{Information |Description=Animation of a 4-stroke engine showing airflows |Source=I created this work using as engine block Image:4-Stroke-Engine.gif under GNU Free Documentation license by UtzOnBike. Inspired by Scheinwerfermann. |Date=10 aug 2008 |Au
• 2008-08-05 17:17 Cuddlyable3 254×384× (371821 bytes) {{Information |Description=Animation of a 4-stroke engine showing airflows |Source=I created this work using as engine block Image:4-Stroke-Engine.gif under GNU Free Documentation license by UtzOnBike. Inspired by Scheinwerfermann. |Date=5 aug 2008 |Autho

This image is a derivative work of the following images:

• File:4-Stroke-Engine.gif licensed with Cc-by-sa-3.0-migrated, GFDL
  • 2008-08-15T23:04:51Z Bub's 154x334 (364033 Bytes) {{Information |Description=Slowed down animation a bit + even though there are usually 3 segments on a piston, the previous animation showed sometimes 2 sometimes 3, this has been levelled down to always 2. |Date=AUG-2008 }}
  • 2005-08-27T10:21:39Z UtzOnBike 154x334 (413532 Bytes) animated scheme of a four stroke internal combustion engine, Otto principle Source: self-made: [[:de:Benutzer:UtzOnBike|UtzOnBike]] (3D-model & animation: Autodesk Inventor) {{GFDL}} \

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