[C320-list] UK Halsey Mast Centering Method

[pat reynolds]

so was lazarus or so we thought :)

--- On Tue, 6/9/09, Jeff Church <jc387 at att.net> wrote:

> From: Jeff Church <jc387 at att.net>
> Subject: Re: [C320-list] UK Halsey Mast Centering Method
> To: C320-List at Catalina320.com
> Date: Tuesday, June 9, 2009, 10:57 AM
> Irv,
> 
> I know this sounds far-fetched, but after I started
> compensating by 
> about 3/4" the port list (or was it starboard?) was cured.
> 
> JeffC
> 
> 
> 
> Irving Grunes wrote:
> > UK Halsey has a video on centering a mast. It uses a
> person in a bosuns
> > chair with a tape just above the seat. Then moving
> from side to side placing
> > a matching tape on each shroud.  Then its a short
> measurement from the tape
> > to the deck on each side to determine mast
> straightness.
> >
> > This presupposes that the halyard exits the mast at
> its center.
> >
> > >From the UK reply below, the answer was that there
> is insignificant
> > difference if halyard does not exit from the center.
> >
> > What correction should be made to compensate for
> the  2 inch or so offset
> > that I think the C320 main halyard has from the mast
> centerline.
> >
> > Irv Grunes
> > #851
> >
> > ---------- Forwarded message ----------
> > From: Butch Ulmer <Butch at ukhalsey.com>
> > Date: Tue, Jun 9, 2009 at 11:17 AM
> > Subject: Re: UK-Halsey 'Contact Us' Email from: Irv
> Grunes
> > To: igrunes at gmail.com
> >
> >
> > It does not compensate for a difference such as you
> described however, I
> > suspect that the differential would be so small as to
> be insignificant.
> >
> > Charles "Butch" Ulmer
> > UK-Halsey International
> > 175 City Island Ave.
> > Bronx, NY 10464
> > Tel: 718-885-2028
> > Fax: 718-885-9236
> >
> >
> >
> > On Jun 4, 2009, at 5:53 PM, <igrunes at gmail.com>
> <igrunes at gmail.com>
> wrote:
> >
> > Re video-Center mast over the boat using a bosun chair
> and tape. Usually the
> > Halyard does not exit the mast at its center but from
> a sheave on one side
> > or the other. How does one compensate for that
> difference? The video was
> > excellent in that the system of measurement quite
> simple and accurate. Irv
> > Grunes
> >   
>