[Public-List] Mast Rake

[Jeffrey via Public-List]

If 90 degrees to the water is the goal, then why not just hold a 48"
carpenters level up against the mast?

Not that I've done this. I usually use the halyard plumbob trick.

Jeff

Seagrass. #116
Boothbay Harbor, Maine
http://sailboatseagrass.com/

<http://instagram.com/jfongemie>

On Sun, Feb 14, 2016 at 10:22 AM, Lawrence Morris via Public-List <
public-list at lists.alberg30.org> wrote:

> The plumb bob is a reference.  Just be careful that big uncle frank is not
> standing in the cockpit at the time or on the bow.
>
> The best method is to measure the back stay with the measuring tape
> hoisted with main halyard.  I don't remember the measurement, but I am sure
> it is on the website somewhere.  George, help!!!!
>
>
>
> Larry
>
> Sent from my iPad
>
> > On Feb 14, 2016, at 10:01 AM, John Birch via Public-List <
> public-list at lists.alberg30.org> wrote:
> >
> > 90 degrees to the water. Hang the loose main halyard down, sometimes a
> light weight is required to get it to act like a plumb bob. It should not
> be hanging aft of the mast. If it is, that is rake. The more it hangs aft
> of the mast, the more rake. The more rake, the more load being put on the
> aft part of the mast step which is not particularly well supported as it is
> not over the mast beam.
> >
> > Cheers,
> >
> > JB
> >
> > Re:
> >
> > I remember our A-30 had this problem (KC-544) until we started tuning
> our rig like the Chesapeake racers. Mast vertical, no rake, or virtually no
> rake. That took the loading off the deck at the back of the mast foot,
> which is not supported particularly well by the Aluminium deck beam,
> putting most of the downward force under the front of the mast step
> directly over the deck beam.
> >
> > Problem solved. Our decks were dry with no delam. It was a simple
> compression issue on the back of the step.
> >
> > Hope that is a help.
> >
> > Cheers from Western Lake Ontario, y'all
> >
> > JB
> >
> >
> > ----- Original Message ----- From: "Anders Bro via Public-List" <
> public-list at lists.alberg30.org>
> > To: "Greg Bover" <gregbover at cbfisk.com>; "Alberg 30 Public List -- open
> to all" <public-list at lists.alberg30.org>
> > Sent: Sunday, February 14, 2016 8:46 AM
> > Subject: Re: [Public-List] Mast Rake
> >
> >
> >> Now why didn't I think of that? (I guess I just don't think?)
> >> Thanks,
> >> Anders
> >>
> >> Sent from my iPhone
> >>
> >>> On Feb 14, 2016, at 8:31 AM, Greg Bover via Public-List <
> public-list at lists.alberg30.org> wrote:
> >>>
> >>> Use your main halyard as a plumb bob.
> >>>
> >>>> I was wondering if someone would clarify for me what "vertical" means
> on a
> >>> sailboat which doesn't have any reference lines (except perhaps the
> vague
> >>> plane of the waterline). If you are setting the mast rake wrt the
> waterline,
> >>> how do you assess this angle (since it is difficult to see the
> waterline
> >>> from the deck where a person is making the adjustments). Maybe Instead
> you
> >>> establish this angle wrt the lowers? (splitting the angle?) Or maybe
> on a
> >>> calm day afar with a level while the boat is afloat? Or maybe just
> trial and
> >>> error???
> >>>
> >>>
> >>>
> >>>
> >>>
> >>> Greg Bover
> >>> A-30 #114
> >>> PENSIVE FLYER
> >>> Gloucester
> >>>
> >>>
> >>>
> >>>
> >>> ---
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-- 
______________

Jeffrey Fongemie

<http://instagram.com/jfongemie>