Harvey,

I was going to ask a question which you may have touched on in your second 
paragraph.  Mast pumping.  When I'm sitting on my boat at the dock while just a 
moderate breeze blows, the boat occassionally vibrates from the rigging.  I was 
wondering if this is normal and if the rigging might be too tight or loose or 
out of adjustment.  The standing rigging seems tight, all shrouds and stays, 
and the mast stands straight if not for a slight forward tilt (not noticable 
unless you hang a plumb bob).  I've gazed at the rigging while this vibration 
is happening on several occassions and noticed, I think, the mast vibrating 
fore and aft around the spreaders which leads me to believe the lowers are 
loose, but they are tight like a violin string.  Is this what you mean by mast 
pumping?

Brad

  ----- Original Message ----- 
  From: Harvey Rosenberg 
  To: [email protected] 
  Sent: Saturday, July 05, 2008 7:58 AM
  Subject: [Norton AntiSpam] Re: catalina27-talk: Re: Quick Question on Shroud 
Hook-up Locations


  Hi Andy, 
  Who is doing the shrouds? Is it George over at Samalot Marine? I can't 
believe he would do that.   He must be thinking of Hunter B&R rigs.  Our mast 
is not a bendable mast. You can adjust shoud tension and rake, but not bending 
it.   It has to stay in column in all four directions. The foreward shrouds 
supports this. Leading it aft would put more stress on the leading edge of the 
mast when going upwind. 

  C-27's are known for their mast pumping at dock in high winds and this would 
certainly aggravate this condition. 

  Take him on a walk over at the South docks and look at the other C-27's.  . 

  Where is your boat. I couldn't find it? 

  Regards Harvey Rosenberg C-27TR #6023, 1985 M-18 

  Harvey Rosenberg C-27TR    


  ------ Original Message ------ 
  Received: Fri, 04 Jul 2008 08:59:07 PM EDT 
  From: [EMAIL PROTECTED] 
  To: [email protected] 
  Subject: catalina27-talk: Re: Quick Question on Shroud Hook-up Locations 




    To List 
    I have a quick question.  I am having the shrouds change on my boat 
(....along with a great deal of other work, Boat fell off its stanchions this 
past March) and while the marina was setting up the new shrouds,  he placed the 
lower forward shroud at the same spot as the upper  shroud.  He now had the 
forward lower and the center upper on the same spot where I thought the upper 
should be alone, and the stern lower in the correct spot.  I questioned him on 
this and he said that the center was designed to take the forward lower shroud 
and the center shroud and the stern lower shroud stands alone.  I always though 
that all three had their on spot for hook-up.  Am I wrong?  The marina guy 
seemed to be sure of his answer and mentioned that he has done this hook-up on 
several Catalina 27's before.  I hope this explanation makes sense with all the 
upper and lower words used!!! 
    Thanks 
    Andy 
    Slow "MO" tion #6038 
    Nyack, NY 



      

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