[Alberg30] Props

[Brian and Elaine Timmins]

You know, When I was on the south side, she'd back down towards the
Chesapeake, and now on the north side she backs toward Whitby, Ontario.
Maybe there is something to this theory!!
Brian
----- Original Message -----
From: "David Swanson" <zira at bellsouth.net>
To: <public-list at alberg30.org>
Sent: Sunday, February 03, 2002 1:53 PM
Subject: Re: [Alberg30] Props


> Actually, the boat is attempting to back northwest & return to its
birthplace in
> Ontario.  That's my story & I'm sticking to it.
>
> David Swanson
> Strayaway Child
> Alberg 30 #229
>
> Mike Lehman wrote:
>
> > I think it is the magnetic pull of the earth.
> >
> > ----Original Message Follows----
> > From: Brian and Elaine Timmins <timmins at optonline.net>
> > Reply-To: public-list at alberg30.org
> > To: public-list at alberg30.org
> > Subject: Re: [Alberg30] Props
> > Date: Sat, 02 Feb 2002 07:12:49 -0500
> >
> >    OK, so explain to me. When my slip was on the south side of the
east-west
> > pier, with a predominant southwest to west wind, and I reverse out to
the
> > south,the stern would always go to port. Last season, I moved to the
north
> > side of that same east-west pier, still predominant southwest to west
wind,
> > and now when I reverse out to the north, the stern always goes to
starbord.
> > Same boat, same engine, same prop, same procedures, same operator, same
> > predominant wind, different direction, different result. (Protected
marina,
> > no real current to contend with)
> >     It appears obvious to me that the direction the boat backs to has
more
> > factors controlling it than just prop rotation direction induced prop
walk.
> > Regards,
> > Brian   #497
> >    ----- Original Message -----
> >    From: James Davis
> >    To: Alberg30 General List
> >    Sent: Friday, February 01, 2002 9:34 PM
> >    Subject: [Alberg30] Props
> >
> >    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
> >
> > Mike Lehman
> > "Gilleleje" #505
> > (410) 544-9067
> >
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