[Rhodes22-list] Subject: Re: Re design of Rhodes Interior andelimination of compressi...

Alan Robertson bigal_61 at msn.com
Fri Jun 5 20:30:53 EDT 2009


Huh!  We never loosened any stays when not in use and after 25 years no signs of any kind of deflection or any other problem. Maybe Stan "don't build them like he useta?"

THOR IV NY
  ----- Original Message ----- 
  From: David Culp<mailto:dculp at hsbtx.com> 
  To: rhodes22-list at rhodes22.org<mailto:rhodes22-list at rhodes22.org> 
  Sent: Thursday, June 04, 2009 2:27 PM
  Subject: Re: [Rhodes22-list] Subject: Re: Re design of Rhodes Interior andelimination of compressi...


  John:

  Email is impersonal sometimes-just don't want anyone I don't know in person
  to get the wrong impression.  We are all just trying to have fun here and
  learn something.

  Communication is key and I just picked up on something in your last post and
  that was that you had compression problems on the port side of the boat.  My
  problem was also on the port side.  The port side is also where the aft stay
  tensioner line is tightened and secured on my boat.  Is it the same on your
  boat?

  That port aft stay has a lot of tension on it when in use.  I have been
  guessing that the aft stays were over-tighten on my boat and left that way
  which caused the cabin top to start bending over the top of the support
  bulkhead.  Roger tuned his boat very tightly but cautioned that he always
  released the aft stay tension when the boat was not in use.  Maybe now we
  know why.  There is a huge mechanical advantage with the aft stays that you
  don't have with the sides.  Rodger's example was tying both ends of a
   "banana" but this boat is no banana.   In my simple mind it is more like a
  crossbow and arrow... and the mast is the arrow.

  I checked the upper side shrouds yesterday and I am carrying 180 lbs on the
  Loos gauge so closer to your numbers then I thought but well below Rodger's.
   What I should have checked is how much tension I have on the aft stays when
  they are tightened.  Just by feel, I am guessing 240 but it may be more.

  The lesson here MAY BE and I caution it's only a MAYBE is that you must
  always make sure to release the aft stay tension when the boat is not in use
  or you may face a compression problem over time.   Boats get pounded by chop
  even in the slip and I can see something is eventually going to flex under
  constant high tension.   I would assume that everyone is already doing that.
   I always have.

  David


  Date: Wed, 3 Jun 2009 18:50:18 -0700 (PDT)
  From: John Shulick <jsbudda at verizon.net<mailto:jsbudda at verizon.net>>
  Subject: Re: [Rhodes22-list] Subject: Re: Re design of Rhodes Interior
         and elimination of compressi...
  To: rhodes22-list at rhodes22.org<mailto:rhodes22-list at rhodes22.org>
  Message-ID: <23862507.post at talk.nabble.com<mailto:23862507.post at talk.nabble.com>>
  Content-Type: text/plain; charset=us-ascii


  Dave,

  You have nothing to apologize for, I came to this forum to learn from others
  and to report my observations about how my boat responds to various settings
  and configurations in the hope of increasing the pool of knowledge about our
  boat. I would like to see your settings and would encourage others familiar
  with a loos gauge to chime in with their numbers as well. The Roger piece
  was the only writing I had found that had any numbers to go on when it came
  time rig my boat last year so at first I duplicated his settings and did not
  like what I saw inside the cabin so I backed them down to what I have now
  and the cabin eased up some. My boat also had the port side of the cabin
  compressed due to probable over tension by previous owners. In the
  companionway on the port side the fiberglas has buckled. When I installed
  the port side bulkhead I jacked up the ceiling to force fit the bulkhead in
  place and that straightened out the buckling in the companionway by a large
  degree. The first week the boat was in the water the rigging had the slack
  taken out but was loose otherwise. We got hit at night by a cold front with
  30 mph wind gusting to 50 the inside of the cabin creaked and groaned and I
  wondered if my modifications were a mistake. Week 2 I snugged the rigging up
  some more relying on feel and not using the gauge yet. Then went out in 10
  to 15 mph with gusts. Boat seemed fine. Week 3
  brought the rigging to present tension checking with gauge. Sailing in same
  conditions boat has no problems. Over night we were hit again with 30 mph +
  winds and the cabin noise was much less. I will continue to monitor the
  situation and will chime in on this if something happens.

  John Shulick
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