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Replacment main halyard sheave. #259387
05/07/13 07:26 AM
05/07/13 07:26 AM
Joined: May 2010
Posts: 24
Nova Scotia Canada
O
old salt Offline OP
stranger
old salt  Offline OP
stranger
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Joined: May 2010
Posts: 24
Nova Scotia Canada
I'm getting ready for when the warm weather arrives, and I've got a damaged main halyard sheave on my Capricorn mast - missing bearings and a small chunk taken out of one edge. I've been trying to find a replacement online, but I can't find one that matches all of the dimensions. It looks like a Harken bullet block or Ronstan sheave, but the closest matches I could find are the Harken H160, Ronstan RF1020, and the Holt Allen HA4086, and even on these, two out of three measures are only close to correct but won't fit (too wide, bore too small/large). The sheave dimensions are 1 1/8 dia., 3/8 width, and 5/16 bore. The manual calls it a GYS012...is that an custom size just made for AHPC?

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Re: Replacment main halyard sheave. [Re: old salt] #259393
05/07/13 10:08 AM
05/07/13 10:08 AM
Joined: Jul 2010
Posts: 172
Anacortes
Sloansailing Offline
member
Sloansailing  Offline
member

Joined: Jul 2010
Posts: 172
Anacortes
Go to your local machine shop and have them make you one out of Delrin or aluminum. Should be pretty cheap and easy and fit perfect.


Anacortes Rigging.com
Rigging and Yacht Services
Re: Replacment main halyard sheave. [Re: old salt] #259395
05/07/13 11:13 AM
05/07/13 11:13 AM
Joined: Oct 2002
Posts: 43
Falmouth, MA, USA
RTodd Offline
newbie
RTodd  Offline
newbie

Joined: Oct 2002
Posts: 43
Falmouth, MA, USA
I just replaced the main halyard sheave at the base of my Capricorn mast with the Ronstan RF1020. Seems to work fine. Tried the Harken last year, and it didn't last long. I believe the GYS012 part is custom.


Robert Todd
Capricorn F18 #151
Falmouth, MA
Re: Replacment main halyard sheave. [Re: old salt] #259402
05/07/13 04:28 PM
05/07/13 04:28 PM
Joined: Feb 2012
Posts: 54
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dr5e14w Offline
journeyman
dr5e14w  Offline
journeyman
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Joined: Feb 2012
Posts: 54
It's a hk160 between the two metal brackets now. Use to be some other brand. The harken one isn't exactly the same but fits with no problems.

Re: Replacment main halyard sheave. [Re: old salt] #259434
05/09/13 04:05 AM
05/09/13 04:05 AM
Joined: May 2010
Posts: 24
Nova Scotia Canada
O
old salt Offline OP
stranger
old salt  Offline OP
stranger
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Joined: May 2010
Posts: 24
Nova Scotia Canada
Well, there doesn't seem to be a local supplier of Ronstan sheaves so I'll give the Harken a try.

Re: Replacment main halyard sheave. [Re: old salt] #259456
05/09/13 10:12 AM
05/09/13 10:12 AM
Joined: Oct 2012
Posts: 186
wildtsail7 Offline
member
wildtsail7  Offline
member

Joined: Oct 2012
Posts: 186
Have you tried the Binnacle in Halifax? If not Reckord Marine in Vancouver is the Ronstan distributor for Canada they could tell you where to get it.

Re: Replacment main halyard sheave. [Re: old salt] #259513
05/10/13 07:38 AM
05/10/13 07:38 AM
Joined: May 2010
Posts: 24
Nova Scotia Canada
O
old salt Offline OP
stranger
old salt  Offline OP
stranger
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Joined: May 2010
Posts: 24
Nova Scotia Canada
I did check the Binnacle first - my order from them is just in. I'm picking up a bag of goodies tomorrow to get the boat ready for launch day. Thanks!


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