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 Need help identifying deck block
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sixandchange
Deckhand

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USA
2 Posts

Initially Posted - 05/21/2012 :  12:34:08  Show Profile
This block was at the base of my mast sending the lines back towards the cockpit on a 85 Catalina 25'. Obviously its old, chewed up and needs replacing. I simply dont know the name of it and am having a hard time finding a replacement. Im hoping that the bolt spacing is standardized (ha!) because there are already holes drilled on the deck with locking bolts inside the cabin.

Any help would be appreciated, the name, a website or even a link to a similar product. Thanks!




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John Russell
Master Marine Consultant

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USA
3444 Posts

Response Posted - 05/21/2012 :  12:40:37  Show Profile
Haven't a clue but, if the sheaves are removable, maybe you could simply buy new sheaves and rebuild the thing cheaper than replacing it? It looks like the castings are in pretty good shape.

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Davy J
Master Marine Consultant

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USA
1511 Posts

Response Posted - 05/21/2012 :  12:54:02  Show Profile
Maybe this:



Harken 206 Upright block. There is a smaller version available as well.

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awetmore
Master Marine Consultant

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USA
1144 Posts

Response Posted - 05/21/2012 :  12:57:05  Show Profile
There is a name on the side, but I can't read it in your photo.

Have you tried taking it to the boat store and comparing with others?

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Steve Milby
Past Commodore

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USA
5902 Posts

Response Posted - 05/21/2012 :  13:24:16  Show Profile
Rather than replace it, I'd suggest you either cut off the pin with a grinder, or take it to a machine shop, and they can remove it for you. Then I'd replace the pin with an appropriate sized pin or bolt and nut, and install new sheaves. Sheaves aren't expensive. If the new pin can be easily removed, then you'll be able to replace the sheaves again, if it ever becomes necessary.

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sixandchange
Deckhand

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USA
2 Posts

Response Posted - 05/21/2012 :  16:06:10  Show Profile
Its made by Merriman, but it seems they are not making much these days. I think its called a Double Halyard lift, or an upright double bullet block?




edit: I just took did a bit of grinding and removed the sheave. It looks pretty well put together. Im looking at a replacement such as this...


The length and width of mine is 3x2"... Im assuming if the baseplate is a standard size that the bolt spacing must be as well? Can anyone advise on this?

Edited by - sixandchange on 05/21/2012 16:16:15
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JohnP
Master Marine Consultant

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1520 Posts

Response Posted - 05/22/2012 :  12:01:25  Show Profile
Most of our boats have swivel blocks at the base of the mast for bringing the halyards and other lines aft to a deck organizer and to the cockpit. That interesting block you have could be replaced by one of several types of blocks, if you have a mast plate with holes on the port and starboard sides to attach other equipment.

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pastmember
Master Marine Consultant

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2402 Posts

Response Posted - 05/23/2012 :  08:47:18  Show Profile
Get a mast plate and never look back. I took my deck mounted turning blocks of and tossed them.

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awetmore
Master Marine Consultant

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USA
1144 Posts

Response Posted - 05/23/2012 :  10:30:19  Show Profile
I agree with Frank. The base plate is a very nice upgrade. The best thing is being able to experiment with different deck line setups without having to make new holes in the deck. It is very easy to move blocks around now.

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OJ
Master Marine Consultant

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USA
4382 Posts

Response Posted - 05/23/2012 :  10:50:18  Show Profile
<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by awetmore</i>
<br />I agree with Frank. The base plate is a very nice upgrade. The best thing is being able to experiment with different deck line setups without having to make new holes in the deck. It is very easy to move blocks around now.
<hr height="1" noshade id="quote"></font id="quote"></blockquote id="quote">ditto

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Prospector
Master Marine Consultant

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Canada
3159 Posts

Response Posted - 05/23/2012 :  11:41:14  Show Profile  Visit Prospector's Homepage
If you really want to match it, send your photos to Garhauer. I bet they can set you up. Any time I have talked to them they have been very helpful. http://garhauermarine.com/catalog.cfm

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redeye
Master Marine Consultant

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3476 Posts

Response Posted - 05/23/2012 :  12:08:45  Show Profile
Yepper... it took me two years to get the mast plate on.. AllYaGottaDo is... and then the wiring and then the deck connector and as long as your up there...etcetc..

Then by the time it was over the halyards rub on the stays.. so ..

more than one way to setup a boat..

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pastmember
Master Marine Consultant

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2402 Posts

Response Posted - 05/23/2012 :  16:42:25  Show Profile
<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by redeye</i>
<br />Yepper... it took me two years to get the mast plate on.. AllYaGottaDo is... and then the wiring and then the deck connector and as long as your up there...etcetc..

Then by the time it was over the halyards rub on the stays.. so ..

more than one way to setup a boat..
<hr height="1" noshade id="quote"></font id="quote"></blockquote id="quote">

We lake sailors take our masts down at least once a year if we keep our boats at home. I think it is a nice boon to being a lake sailor, our masts are kept updated because of access.

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