Don't know exactly Thom... but I believe it has something to do with wakes,
cut of the blade and Hydrodynamic stuff that is supposed to deliver better
power to twin outboards. Maybe some of the engineers here can enlighten us.
I know the boat I drove with the counter-rotating props was a dream to
maneuver.

CM

"Thom Stewart" wrote in message
...
| CM,
|
| You must be over doing it on the "Overproof!" Jeff has "Zero" prop
| walking.
| Why in the world does he need a counter rotating engine?
|
| OT
|