HI Dennis:

 

I'd like to see that arrangement, I'm looking to do something with the top
of my mast in the spring.  I was looking at the masthead rigs on the new
C&C's like the 115 and 121...they are also quite interesting but would
require more work than yours.

 

Thanks,  

Ron C.

Impromptu

C&C 38MKIIC...'77

 

  _____  

From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Dennis C.
Sent: Friday, November 09, 2012 5:35 PM
To: Cn Clist
Subject: Stus-List 35-1 Masthead and spinnaker block attachment improvements

 

Touche's masthead does not have a crane or cranes or a bail from which to
hang the two spinnaker halyard blocks.  Instead it has an ear about 1 inch
wide through which a 1/2 inch high-load shackle was placed.  Two spinnaker
halyard blocks hung from the shackle.  The masthead arrangement was very
tight.  The two blocks hung down and contacted the top of the furler
extrusion.  As the furler turned, the blocks were knocked outward with each
revolution.  Not an ideal situation.

 

The wind instrument on the very forward part of the masthead deterred
installation of a plate or bail.  I focused on using the existing ear.

 

As part of a general tweaking and upgrading of the furler, forestay and
masthead, I came up with a better configuration.  The shackle was replaced
with a 2100 lb load eyebolt with an eyenut on the other end.  The eye bolt
passes through the ear, the eyenut is screwed on the other side and secured
with a cotter key through a hole drilled through the eyenut and eyebolt
shaft.  Two new 75 mm Harken ESP 2200 lb load blocks now hang from either
eye.  Their screwpin is secured with Monel seizing wire.  The blocks are now
spaced 3-4 inches apart and no longer contact the furler extrusion.

 

I also removed an extra toggle at the top of the forestay,  installed a new
longer forestay and extended the furler extrusion above the masthead sheaves
that hold the genoa halyards.  The furler extrusion was cutting those
halyards.  The Harken furler had to be disassembled and reassembled with the
new forestay.

 

The mast rake is now closer to the 1 degree thought to be near optimum for
the boat.  A sea trial in 10-13 the other day showed a helm near neutral.

 

If any listers have a similar masthead arrangement, I can send pics.  

 

Dennis C.

Touche' 35-1 #83

Mandeville, LA

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