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Catalina/Capri 25/250 Sailor's Forums

Catalina 250 Specific Forum

Masthead sheaves.

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Tahoe Cruiser
1st Mate

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USA
72 Posts

Initially Posted - 11/06/2013 : 21:38:06

So I noticed I have four sheaves in my masthead. I am only using the aft one for main halyard. I have a rigid furler up front so those are free as well. I think the PO has a beat up spare forward halyard for spinnaker but no block on top. Do you all use the internal forward halyard for the assymetrical spinnaker or do you run both ends outside of mast to a block? What else can u do with the spare aft sheave? Is this meant for topping lift and if so how is the line run? I want to replace all for sheaves before next season as they are stock and chipping.

1998 250 WK/TR #355 "Trail Break"
Lake Tahoe California

Edited by - Tahoe Cruiser on 11/06/2013 21:39:37

zebra50
Captain

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USA
408 Posts

Response Posted - 11/09/2013 : 08:36:43

On my masthead forward, I have one spot taken up by my furler, the other is "open", and the jib halyard is used for my light air sail. It is tied off when not in use. See pg 17 of the owners manual which you can get here on this site.

Edited by - on

TakeFive
Master Marine Consultant

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2272 Posts

Response Posted - 11/09/2013 : 08:44:10

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by Tahoe Cruiser
 So I noticed I have four sheaves in my masthead. I am only using the aft one for main halyard. I have a rigid furler up front so those are free as well. I think the PO has a beat up spare forward halyard for spinnaker but no block on top. Do you all use the internal forward halyard for the assymetrical spinnaker or do you run both ends outside of mast to a block? What else can u do with the spare aft sheave? Is this meant for topping lift and if so how is the line run? I want to replace all for sheaves before next season as they are stock and chipping.
<hr height="1" noshade id="quote"></blockquote id="quote">
It sounds like you have a different masthead than most of us. There are relatively few tall rig C250's and the early ones had a masthead with four sheaves. Most have only two. So be careful that the advice you get is relevant to your own masthead.

Here's a pic of the bottom of the four-sheave masthead:

<center>[url="http://www.catalinadirect.com/index.cfm?fuseaction=product.display&product_ID=1913&ParentCat=631"]

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Tahoe Cruiser
1st Mate

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USA
72 Posts

Response Posted - 11/09/2013 : 19:45:35

I was confused when I saw the forward sheaves free. I would think an internal forward halyard for my assymetrical spinnaker would foul if I tried to run it through a block at the stock spinnaker crane. I would prefer an internal run then tie off the unused halyard to the forward pulpuirt so I don't have the annoying line slap on the mast. That picture above is my masthead.

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TakeFive
Master Marine Consultant

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2272 Posts

Response Posted - 11/09/2013 : 22:58:33

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by Tahoe Cruiser
 ...I would prefer an internal run then tie off the unused halyard to the forward pulpuirt so I don't have the annoying line slap on the mast. That picture above is my masthead.
<hr height="1" noshade id="quote"></blockquote id="quote">
For my unused halyard, I give it two wraps around a lower shroud then attach to the bails at the base of the stanchion. With mild tension, there is no slapping on the mast. I so the same with my mainsail halyard when at the dock.

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