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Catalina/Capri 25/250 Sailor's Forums

Catalina 25 Specific Forum

Mast exit blocks

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iwillnotsubmit
1st Mate

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64 Posts

Initially Posted - 08/13/2011 : 05:27:11

I am converting my wire halyards to all line, internal, ran back to the cockpit. I would like some advice on where to mount the exit blocks. Do I also need to use blocks attached to the halyard plate before the lines go to the deck organizers? I have been reading posts on this site since I purchased my c-25 last fall. The information that is provided has been very much appreciated, thanks to all! Hopefully next spring she will be on the water again!

1980 Catalina 25 TR, FK, Traditional. Sailing on the Mississippi River, Portage Des Souix, MO.

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dmpilc
Master Marine Consultant

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USA
4593 Posts

Response Posted - 08/13/2011 : 12:00:51

Do you already have the mast plate with holes for attaching swivel blocks? If so, you may not need exit blocks. I've seen masts with an exit slot, about 2-3 inches long at different locations on the mast for the halyard to exit the mast and continue down to a turning block at the base of the mast.
Most exit blocks I've seen have been installed at or very close (about 1" above the <s>bottom</s> mast step) to the base of the mast.
What you want to avoid is placement that creates a tripping hazard by the line running from the mast to the turning block at the edge of the cabin top.

Edited by - dmpilc on 08/13/2011 16:54:01

OJ
Master Marine Consultant

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USA
4382 Posts

Response Posted - 08/13/2011 : 14:26:14

Picture compliments of pastmember

Edited by - OJ on 08/13/2011 14:28:22

Stinkpotter
Master Marine Consultant

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Djibouti
9014 Posts

Response Posted - 08/13/2011 : 15:03:34

Why internal?

BTW, Frank used swivel blocks on the mast base plate to make the halyards less of a tripping hazard. It doesn't look like you can make the exits much lower--the factory position appears to be just above the tabernacle.

Edited by - Stinkpotter on 08/13/2011 15:10:05

dlucier
Master Marine Consultant

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Virgin Islands (United Kingdom)
7583 Posts

Response Posted - 08/14/2011 : 05:55:56

Do you have, or ever plan to have, a furler? If so, I wouldn't bother leading the jib halyard aft to the cockpit.

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Stinkpotter
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Djibouti
9014 Posts

Response Posted - 08/14/2011 : 06:52:18

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by dlucier
 Do you have, or ever plan to have, a furler? If so, I wouldn't bother leading the jib halyard aft to the cockpit.<hr height="1" noshade id="quote"></blockquote id="quote">...unless, as discussed on another thread, it's a Snapfurl, which reportedly wants to be de-tensioned a little before rolling or unrolling the sail. Otherwise, yes--I led my main halyard back and left the jib halyard on the mast cleat. But my Hood furler was happy under pretty high tension.

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iwillnotsubmit
1st Mate

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64 Posts

Response Posted - 08/14/2011 : 16:03:16

I have the halyard plate that goes under the tabernacle and exit blocks, they just need to be installed. I decided to go with internal halyards, just my preference. I have a CDI Flex furler, but will run a jib halyard for future options (Changing to a hank-on jib or to fly a spinnaker). The boat is in my backyard, with the stick down, so I have run conduit and new wire, replaced nav lights, and installed new spreader boots. When the mast is all squared away I will turn my attention to the bottom paint and replacing through-hulls and ball valves. Thank you all for the fast responses and pictures, they are very much appreciated.

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OJ
Master Marine Consultant

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USA
4382 Posts

Response Posted - 08/15/2011 : 10:40:22

Be prepared to elongate 1 or 2 (or more) of the holes in the mast plate to get things to line up. Many here have had to do this. Given the thickness and toughness of the grade of the stainless - it is a difficult process when done by hand.

My machinist friend even complained and he used an end mill!

Good luck!

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pastmember
Master Marine Consultant

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2402 Posts

Response Posted - 08/15/2011 : 14:48:25

I ordered my mast plate direct from Garhauer and ordered it without holes so I could drill my own.

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The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.