[Sonar] [Norton AntiSpam] Re: Help needed with Spreader Repair

Wed Apr 18 20:04:10 UTC 2007

You get the through bar and plates from Shumway.  What you have is the
"saddle and tangs" system.  That bends back and gives really bad mast
control.

At least two of the holes on the plates will fit where the saddle goes in.
You can then use the plates as a guide for cutting the hole.  Cutting the
hole is a real leap of faith.  If you can wait until I get back the the Twin
Cities late next week I will help you.  I also have a pop rivet puller which
will pull stainless steel rivets with a minimum of effort.

Ernest
  -----Original Message-----
  From: sonar-bounces at lists.wyc.org [mailto:sonar-bounces at lists.wyc.org]On
Behalf Of Mark Kochendorfer
  Sent: Tuesday, April 17, 2007 9:09 AM
  To: Howard Noreen
  Cc: sonar
  Subject: [Norton AntiSpam] Re: [Sonar] Help needed with Spreader Repair

  Howard

  If you can keep the currently plate - that would be best.

  You also have the option of using the existing holes.  I did this by
making two aluminum plates instead of using the factory stainless.  Then you
can drill holes to match the existing ones in the mast.  The aluminum plates
won't cut into the thru bar.  Any hardware store can sell you a strip of
aluminum that you can bend to the mast shape.  Mine are about 1/8 thick.

  Whatever you decide to do, it is important to use a pair of clamps to
slightly compress the mast side to side while you drill the holes through
the spreaders into the thru bar.  The bolts or clevis pins should fit
tightly and exactly into the spreaders and the bar.  Sand and file the base
of the spreaders first so that they fit snugly to the side plates with the
new angles that the thru bar give you.  Then when you release the clamps the
mast will expand against the base of the spreaders giving you a tight fit
and preventing any motion that will cause wear in the future.

  Mark

  On 4/17/07, David Olson <David.Olson at toro.com> wrote:
    Howard,

    Does yours look like this?

    http://www.rigrite.com/Spars/Kenyon_Spars/2740-MORC.html#Retrofit%20Spre
ader%20Bar%20&%20Plate%20Kit%20for%20Sonar%20Mast:%20K-11867K:

    Is the stainless plate chewed up or do you just need to replace the
through bar?

    David Olson

    Commercial Engineering

    The Toro Company

    952.887.8697 (Direct)

    david.olson at toro.com

----------------------------------------------------------------------------

    From: sonar-bounces at lists.wyc.org [mailto:sonar-bounces at lists.wyc.org]
On Behalf Of Howard Noreen
    Sent: Monday, April 16, 2007 7:47 AM
    To: sonar
    Subject: [Sonar] Help needed with Spreader Repair

    Hello all

    I see that we already have one Sonar in the water.
    I am working diligently to get Soñar in the water.

    I noticed last year that my spreaders were loose and ordered the kit
from Shumway this winter.
    I just got my boat out of storage this Saturday and now that I can look
at the mast, I see that I currently have a different set up than what I have
seen on most other boats.
    My mast is the original mast but I believe someone made a repair to the
spreaders earlier.
    I currently have a single plate that wraps around the front of the mast
in stead of the two separate plates in the repair kit.
    Has anyone else had this?
    I am concerned that if I remove this plate, that is riveted on with pop
rivets, and now replace it with the new plates from Shumway that I will be
adding additional holes in the mast at a place that is already a weak link.
    Does anyone have any experience with this or can anyone offer any
opinion.

    Thanks for your help with this.

    Howard
    ________________________

    Howard Noreen
    Director of Early Adopter Programs
    ________________________
    Lawson Software
    380 St. Peter Street
    St. Paul, MN 55102-1302
    Office (651)767-6209
    Cell (612) 804-8498
    Fax (651) 767-7209
    howard.noreen at us.lawson.com
    http://www.lawson.com

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  --
  Mark
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