This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: one position copied in SVG; +kinematic diagram. The original can be viewed here: 4StrokeEngine Ortho 3D Small.gif: . Modifications made by Cdang.
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Original upload log
This image is a derivative work of the following images:
2010-07-20T07:37:35Z Zephyris 225x300 (3813194 Bytes) Added in/out arrows for fuel and exhaust, replaced numbers with serif'd font and slowed animation.
2010-07-15T18:33:44Z Zephyris 225x300 (3788076 Bytes) {{Information |Description={{en|1={{ca|Motor de 4 tampon: # Admisió. # Compresió. # Explosió. # Escapament.}} {{cs|Animace pracovního cyklu čtyřdobého spalovacího motoru: # Sání - Píst se pohybuje směrem do DÚ (d