[alberg30] Re: raising masts

[George Dinwiddie]

From: George Dinwiddie <gdinwiddie at min.net>

Tom,

That sounds pretty scary.  We have an A-frame setup in Annapolis that
we use.  This consists of two sectional aluminum pipes bolted together
at one end.  This end also has a 4-part tackle attached.

The A-frame is erected on deck with the feet just aft of the upper
shroud chainplates.  It's guyed fore and aft to cleats.  A loop
of dacron line is tied around the mast and hoisted just under the
spreaders with the tackle.  The tail of this loop is tied to the 
halyard winch to provide the lifting power without putting any pressure 
on the spreaders.

The free end of the tackle is brought down to deck, through a block,
and back to the primary winch.  The stays and shrouds are detached,
the mast is lifted slightly, and then lowered to the deck with
someone walking the foot aft.

It takes care, especially after the standing rigging is removed,
but three people can drop (or raise) an A30 mast with this rig.

 - George

> Tom Sutherland said:
> 
>      We tie the boat with the mast to be raised to a mooring and raft two other
> boats one on each side. It is best to use two like boats  so they will resist
> healing about the same, use the stiffest  boats  available ... we have two
> Catalina 30's we like to use.


-- 
 ----------------------------------------------------------------------
  George Dinwiddie                                  gdinwiddie at min.net
  The gods do not deduct from man's allotted span those hours spent in
  sailing.          http://ourworld.compuserve.com/homepages/Alberg30/
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