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Old 11-03-2012, 01:20 PM   #3548
ragtoplvr
Beastly Adventurer
 
Joined: Oct 2007
Location: S. W. Mssouri
Oddometer: 5,854
you guys do not visualize the boxer correctly. A knike and fork like you suggest would have one piston moving in while he other is moving out. In a boxer, both move out together, an d in together. Knife and fork would not do this.

Perhaps this will help

http://www.animatedpiston.com/BMW.htm

Rod
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