[Alberg30] Help-Big Problem

[Alan P. Kefauver]

Yes, numbers please.
Alan
Andante#152

*********** REPLY SEPARATOR  ***********

On 4/30/2001 at 8:28 AM Mike Lehman wrote:

>The main beam deflection is common on all A30s with wooded main beams.
>The 
>repair is straight forward and simple and takes about 10 hours of work
>start 
>to finish. Once complete, the boat is actually stronger that it was 
>originally.
>
>I have some comment on tension. A few years ago, at a large A30 raft-up I 
>took a Loos tension guage and checked the rig tension on about 26 boats. I 
>found a huge variation, from extremely loose to extremely tight. Many
>people 
>feel they are being kind to the boat by having a loose rig - I disagree. I 
>think a loose rig is as harmful, maybe more, than a tight rig because in 
>heavy air and choppy water the mast will "pump" with a loose rig causing 
>short bursts of heavy shock to the boat. I am not suggesting a over 
>tightened rig, rather proper tension. As a general rule the uppers should
>be 
>about equal in tension with the top of the mast positioned directly over
>the 
>base. The forward lowers should be taught and should actually pull the
>mast 
>forward slightly at the spreaders when you sight up the mast. The after 
>lowers show be loose, almost sloppy. I have the actual numbers at home and 
>will put them in a separate email, if anyone is interested.
>
>
>----Original Message Follows----
>From: "T. Kevin Blanc" <tkevinblanc at yahoo.com>
>Reply-To: public-list at alberg30.org
>To: public-list at alberg30.org
>Subject: Re: [Alberg30] Help-Big Problem
>Date: Sun, 29 Apr 2001 15:53:32 -0700 (PDT)
>
>I doubt there is an A30 afloat that hasn't experienced
>this (I've heard that the newer ones are better in
>this regard). There are proven ways to fix this. I'm
>sure you'll get help on this list from someone that
>has completed the project recently (mine was done
>before I purchased it).
>
>You may want to consider easing the tension on the rig
>if all the stays seem really tight. Mike Lehman,
>guidance on rig tension?
>
>--- SwiftLaw at aol.com wrote:
> > I am in the process of completing my acquisition of
> > hull #222.  Today I had
> > the yard boss engineer on board. BIG PROBLEM -  the
> > main bracing beam under
> > the deck mount of the Main mast is indented
> > downward, It appears as if the
> > mast is trying to come through the deck. Not too
> > much delamination, but, for
> > illustration, the forward cabin door is about 3/4
> > inch from closing due to
> > the depression of the beam.
> >
> > Any experience with this? Can I shore it up or
> > should I not complete this
> > purchase and give up on a boat I am already in love
> > with ????
> > Help-Advice-comments please.
> >
> > Thanks
> >
> > Tom Swift- Chicago
> >
>
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