At 01:06 PM 3/11/2011, Richard A Jones wrote:
>If this has been posted, my search didn't uncover it.  It is
>pretty interesting--ex-VW engineer, boxer engine.  Our Vanagons
>should last long enough to get one of these.

I don't remember if it's been posted here, but it isn't totally
new.  The principle is well tested in service from at least the '40s
- here's a link to an animation of a Napier Deltic marine engine,
accompanied by the sound of a Deltic-powered locomotive:
http://rowla.dyndns.org/justin/img/piston_deltic320.mpg

Yours,
d