Ted,
Autozine Technical School has a reasonable write-up of how the number of
cylinders and the packaging affects the balance... See:
http://www.autozine.org/technical_school/tech_index.html#Engine and follow the
links under the Engine Smoothness heading to go through the different packages
(I6, V6, V8, etc, etc). BTW, they also have an interesting bit about the VW
VR6, W8, etc, etc under Engine Packaging...
HTH,
Frank Biedermann
69 Triumph TR6 PI
Adelaide, Australia
> Found the below quote interesting.
>
> What makes a straight six or V12 naturally balanced vs. I4s,
> V6s, and V8s.?
>
> TL
>
> One car that has intrigued me for a while is the 1968 Triumph
> TR250 aka the
> TR5 outside of the U.S. These cars combine the body of the
> TR4A and the six
> cylinder engine of the TR6. They are somewhat rare and my
> client want list
> has always had several people on it who invariably list their
> requirements
> as, "TR250, must be British Racing Green and have wire
> wheels." My standard
> response is, "I'll enter your request in my data base but
> since I've never
> had one in *any* color, don't hold your breath." I like the
> look of the
> TR4A and the idea of a smooth straight six. By the way, a
> straight six
> design is naturally balanced. Same with a V12. This cannot
> be said of
> V8's, V6's or 4's.
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