Can't find Mast Sheaves replacement - SailNet Community
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post #1 of 14 Old 03-09-2012 Thread Starter
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Can't find Mast Sheaves replacement

I need to replace the 4 aluminum mast sheaves on my Dufour 31. They're so worn I'm surprised they even spin. Each measures 55mm x 15mm x 13mm as best as I can measure. Can't find anything close to that or even a single source with a good selection to choose from via Google. Mauri Pro Sailing are the only site that shows any kind of selection. But nothing close.
Any ideas of where to look or who to call would be very appreciated.
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post #2 of 14 Old 03-09-2012
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Re: Can't find Mast Sheaves replacement

Not aluminum but ... might look at ... Zephyrwerks - The Sheave Factory
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post #3 of 14 Old 03-09-2012
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Can't find Mast Sheaves replacement

Defender has a few. Look at pyacht.com also

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post #4 of 14 Old 03-09-2012
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Re: Can't find Mast Sheaves replacement

Did you check at McMaster-Carr ? McMaster-Carr
They have an amazing variety of stuff.
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post #5 of 14 Old 03-09-2012
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Re: Can't find Mast Sheaves replacement

Rig Rite has for Selden, Isomat
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post #6 of 14 Old 03-09-2012
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Re: Can't find Mast Sheaves replacement

Any decent machine shop should be able to make a set with the old ones as a guide...

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post #7 of 14 Old 03-09-2012
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Re: Can't find Mast Sheaves replacement

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Originally Posted by talbot View Post
I need to replace the 4 aluminum mast sheaves on my Dufour 31. They're so worn I'm surprised they even spin. Each measures 55mm x 15mm x 13mm as best as I can measure. Can't find anything close to that or even a single source with a good selection to choose from via Google. Mauri Pro Sailing are the only site that shows any kind of selection. But nothing close.
Any ideas of where to look or who to call would be very appreciated.
Talbot
Are the sheaves themselves worn? By that I mean the outer grooves where the halyards run.

If it is only the axle holes that are worn, they can be drilled oversize and bushed with bronze or S/S.

I, myself, personally intend to continue being outspoken and opinionated, intolerant of all fanatics, fools and ignoramuses, deeply suspicious of all those who have "found the answer" and on my bad days, downright rude.
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post #8 of 14 Old 03-10-2012 Thread Starter
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Re: Can't find Mast Sheaves replacement

Thanks, micheck- they don't have to be aluminum since I am changing to all rope halyards anyway. I will check this site.
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Re: Can't find Mast Sheaves replacement

Thanks for all the suggestions. SloopJonB, the axle holes are the only unworn part left, likely because they are already fitted with an integral bushing. The outsides look like they've been gnawed on!
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post #10 of 14 Old 03-10-2012
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Re: Can't find Mast Sheaves replacement

Talbot,

As mentioned above, give Rig Rite a call. We've used them for sheaves and traveler stops. Best to know what you want when you call. Not the friendliest people in the world, but they do have aluminum sheaves and they turned around our order in 2 days.

Z-Spar Sheaves

Francespar Replacement Sheaves

Isomat Sheaves & Rollers

Joe
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