On Thu, 19 Jan 2006 06:15:27 -0700, Trevor Jones
wrote:

If ya think that's cool, search "Deltic Diesel"

Three banks of cylinders arranged in a triangle, with a crankshaft at
each point and pistons at each end of each cylinder.

That's not cool (and Junkers had already done it)

Realising that if you contra-rotated one shaft then you only needed 3
banks not 4, now _that_ was cool.