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<P>I experienced a similar problem with hull flexing, but on land. The yard put the aft jack stands in the wrong place and put to much weight on them. The result was "oil-canning" around the stands. I made them change the stands...when they wanted to charge me for blocking twice, I threathened to move them myself, we had an argument, they changed the stands, I did not get charged, I do not use that yard any more. The lesson is...when the boat is out for the winter, sight down the hull from bow or stern, and be sure she looks right, if not fix it.<BR><BR>Mike Lehman </P></DIV>
<DIV></DIV>"Gilleleje" #505
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<DIV></DIV>"What is the use of a house if you haven't got a tolerable planet to put it on?" Henry David Thoreau
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<DIV></DIV>
<DIV></DIV>----Original Message Follows----
<DIV></DIV>From: Gordon LACO <MAINSTAY@CSOLVE.NET>
<DIV></DIV>Reply-To: Alberg 30 public list <PUBLIC-LIST@ALBERG30.ORG>
<DIV></DIV>To: Alberg 30 public list <PUBLIC-LIST@ALBERG30.ORG>
<DIV></DIV>Subject: Re: [Alberg30] hull flexing
<DIV></DIV>Date: Wed, 11 Sep 2002 00:48:28 -0400
<DIV></DIV>
<DIV></DIV>on 9/11/02 2:26 PM, Dave Terrell at DTERRELL.GWSTAFF.GWNMC@message.nmc.edu
<DIV></DIV>wrote:
<DIV></DIV>
<DIV></DIV>the hull number is 432. the head door does not stick. The bulk heads appear
<DIV></DIV>to be securely attached to the inner liner. The deck beam appears to be have
<DIV></DIV>been originally encapsulated in fiberglass. If not the fix job was very good
<DIV></DIV>and professional. What I am noticing is a flexing of the hull below the
<DIV></DIV>waterline sometimes when I encounter a larger wave.
<DIV></DIV>
<DIV></DIV>>>> gdinwiddie@alberg30.org 09/10/02 05:07PM >>>
<DIV></DIV>Dave,
<DIV></DIV>
<DIV></DIV>You don't say what hull number boat you have. If you have a wooden
<DIV></DIV>beam, is it in good shape or starting to sag? If a newer boat, does the
<DIV></DIV>head door stick on the overhead?
<DIV></DIV>
<DIV></DIV>Are your bulkheads still attached tightly all around?
<DIV></DIV>
<DIV></DIV>Everything flexes a little, but the A30 is a pretty stiffly built boat.
<DIV></DIV>What specifically are you noticing?
<DIV></DIV>
<DIV></DIV>- George
<DIV></DIV>
<DIV></DIV>Dave Terrell wrote:
<DIV></DIV>
<DIV></DIV>> 2. I notice that the hull on my boat flexes when I hit a wave sometimes.
<DIV></DIV>> Is this normal? I am not sure it is consistent with the A30's reputation
<DIV></DIV>> as a s olidly built boat. Am I missing something or do I need to reshape
<DIV></DIV>> my thinking on this matter?
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<DIV></DIV>
<DIV></DIV>Hi guys -
<DIV></DIV>
<DIV></DIV>I have A30 #426 and she exhibits hull flexing as well. The problem is that
<DIV></DIV>our boats were heavily glassed up but with no core material in the hull.
<DIV></DIV>This means that they are not as stiff as they might be; but on the positive
<DIV></DIV>side there is no chance of water destroying the hull via water rotting the
<DIV></DIV>core as we get in decks.
<DIV></DIV>
<DIV></DIV>It is a bad idea to try to bolster the hull with interior stiffening as it
<DIV></DIV>is very easy to create hard spots that the hull can then crack around. Best
<DIV></DIV>just live with it.
<DIV></DIV>
<DIV></DIV>Gord Laco
<DIV></DIV>Sojourning in Mexico at Fox Studios
<DIV></DIV>A30 #426 Surprise
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