In a message dated 1/2/02 3:16:28 AM Eastern Standard Time,
andrew.grebneff@STONEBOW.OTAGO.AC.NZ writes:

<< A boxer MUST have a central crankshaft with paired cylinders, one of
 each pair on each side of the crank ie 180 degrees apart.  >>

OR...The opposing pistons of the dual crankshaft Fairbanks-Morris as used in
locomotives and diesel subs, now THAT is a "true" boxer!
The claim to "boxer" is that the pistons seem to be "duking it out" IE
trading punches, as it were....In light aircraft it is the norm...BTW the
GROB 105 motor-glider uses a modified 2.0 vanagon engine....
Steve

"Hey! nice Jeep, Mister! "
"Look kid, it's NOTAJEEP! "