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Old 10-02-2021, 16:05   #16
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Re: Diesel - Two Cylinder vs Three Cylinder

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Originally Posted by manitu View Post
The reason a 2cyl 4stroke has more vibration than any other engine constructions is easy to explain. if you wanted the duty cycles to be 180 cam degrees apart, the pistons would have to be paralell. wich wouldn't work. So to get the crank balanced, the duty cycles has to be 90 and 270 cam degrees apart, wich makes the engine go bang bang pause, bang bang pause....
Interesting, I have alway thought the single cylinder, four stroke engine vibrated more than all others but maybe I need to rethink this...
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Old 10-02-2021, 18:06   #17
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Re: Diesel - Two Cylinder vs Three Cylinder

My bad. I dunno how i managed to post on this..



Note to myself : max two glasses of red wine mid week..


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Old 11-02-2021, 16:38   #18
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Re: Diesel - Two Cylinder vs Three Cylinder

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Interesting, I have alway thought the single cylinder, four stroke engine vibrated more than all others but maybe I need to rethink this...


It does. One power stroke ever other rotation. A 12 cylinder is smooth as butter
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