[Alberg30] Help-Big Problem

[Mike Lehman]

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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