[Alberg30] Props

chrishardy chrishardy at tds.net
Sun Feb 3 13:08:04 PST 2002


Direction of prop walk is a funtion of  shaft rotation direction not gas
or diesel or rpm or blade quantity.

James Davis wrote:

> Don't blame the prop walk on two blades.  The increased prop walk is
> more from being able to spin it faster.  Those that have converted to
> diesels and get even more RPM on the prop in reverse get some very
> usable prop walk.  In fact the prop walk effect is probably the best
> way to steer when backing.  Assuming your boat backs to port (this can
> be different with a diesel) keep the tiller hard over for a right turn
> and by backing and filling, you can do a 360 in little more than the
> boats length.  Back - the stern goes to port.  Give it a goose ahead -
> the prop wash against the rudder nudges the bow to the right.  As soon
> as she starts going ahead, back hard for a few seconds - the stern
> jumps to port.  Keep it up and it is easy to turn around.   Note that
> this can be slow with the Atomic 4 and the original prop.Jim Davis
> Isa Lei
> A30 240
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