In article >, Tha Ghee
> writes
>no on the V-12 vs. W-12, the V-12 is second most if not smoothest engine on
>the planet.

I suspect a good straight six engine such as a BMW one would be smoother
than a V12, purely because the pistons are all moving in one plane and
can therefore cancel out each other's momentum more easily than they can
in a Vee engine.

--
Toby