Parker Yahoo Group Archived Messages

ID From Subject Date
314 rangertimbo Re: Planing speed and more... 2/14/2005 16:11:00

Mega,

Boiling water is probably exactly what you were doing. When the prop loses the
grip on
the water like that there is a severe drop in water pressure on certain areas of
the prop,
enough to cause the water to actually boil away, possibly causing micro-pitting
or other
prop damage. This may be why there's not much paint left on that prop you've
got.

It sounds like you should at least try a four blade. They claim to be better
under heavy
loads at reducing slip and improving low speed performance. If you're like me
you don't
give a rat's tookus about top end speed, as long as you can stay in the right
cruise zone
for good fuel economy. I'm interested in some of the cheaper aluminum four
blades. You
never know, they may be the ticket (and at a reduced price). I don't think I'm
crazy enough
to buy one of those adjustable composite four bladers.

Ranger Tim
--------------

--- In <a href="/group/parkerboats/post?postID=4BL90uiFPX4hyv7wk-eyOr09tDnRP7tV4gvJjtYr_ylJjpt3txpB70q2Z2Y3cw52xjcS-hM9MlJjHLqQc4bX_B_O">parkerboats@yahoogroups.com</a>, "megabyte2520" <captfarrell@m...>
wrote:
>
> I should have added that my fuel burn at cruise runs between 10 and
> 12 gph, as indicated by my Navman 2100.
>
> --- In <a href="/group/parkerboats/post?postID=4BL90uiFPX4hyv7wk-eyOr09tDnRP7tV4gvJjtYr_ylJjpt3txpB70q2Z2Y3cw52xjcS-hM9MlJjHLqQc4bX_B_O">parkerboats@yahoogroups.com</a>, "megabyte2520" wrote:
> >
> > Normal cruise for me is 20 to 23 kts running 4000 to 4300 rpm.