+1 for Zephyrwerks.  This past spring, he made up three masthead sheaves to 
replace the aging aluminum ones that came original to the boat.  He actually 
mis-made one; when I measured and found the mistake, he remade it and shipped 
the replacement priority, as I needed to get the mast put back together and 
re-stepped.  The new acetal sheaves are beautifully made, and work just as 
beautifully.

Be prepared to make extremely precise measurements for him before he’ll make up 
your sheaves; I used my digital calipers and gave him dimensions to the 
thousandth of an inch for the sheave pin diameter, sheave shoulder width and 
diameter, and the clearance between the sheave and the box, both for width and 
for line clearance.  The results are worth it.

— Fred

Fred Street -- Minneapolis
S/V Oceanis (1979 C&C Landfall 38) -- Bayfield, WI

> On Aug 8, 2016, at 7:08 PM, Josh Muckley via CnC-List <[email protected]> 
> wrote:
> 
> Most people here accept www.zephyrwerks.com <http://www.zephyrwerks.com/> as 
> the premier source of custom sheaves.  He makes a quality product to exacting 
> standards.  I was satisfied with the 3 sheaves I had made for my boom end 
> fitting.  It was about $45 per sheave.  Each had a pressed in sintered bronze 
> bushing
> 
> Josh Muckley
> S/V Sea Hawk
> 1989 C&C 37+
> Solomons, MD
> 
> 
> On Aug 8, 2016 6:51 PM, "Free Girls Sailing via CnC-List" 
> <[email protected] <mailto:[email protected]>> wrote:
> We have a main halyard sheave at the top of the mast that needs replacing. 
> Anyone ever done this? Not sure where to look for parts and if it can be done 
> without stepping the mast. Any advice is appreciated. I have a picture if 
> it's allowed. 
> 
> Jessica 
> 1975 C&C 33
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