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Old 10-10-2008
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Lewmar Synchro blocks

Has anyone had a similar experience with this year's batch of Lewmar Synchro blocks. I have had four blocks fail, two loosing there balls and two jamming up. They are the sized for 10mm - 3/8" and rated at 800 kg. They were used with 8 and 6 mm lines and never saw anything like an 800 kg load.
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Old 10-14-2008
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I'd contact Lewmar and the company you bought the blocks from. They could be counterfeits.
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Old 10-14-2008
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Good point SD. I don't expect Lewmar kit to fail.
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Old 10-14-2008
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Even if they are genuine... they could have been a manufacturing defect... and if you got them all at once, just a bad run of blocks. That said, I am pretty sure Lewmar would replace them for you out of goodwill to a customer.
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Old 10-15-2008
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Certainly a manufacturing defect. What every the balls in the bearing were made out of, it was two soft. Lewmar pointed me to my suppliers, so the offending items are in their hands now.
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Old 10-15-2008
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Quote:
Originally Posted by Idiens View Post
Certainly a manufacturing defect. What every the balls in the bearing were made out of, it was two soft. Lewmar pointed me to my suppliers, so the offending items are in their hands now.

DId they replace the one's you had, free of charge ?
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Old 10-16-2008
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Not so far, they didn't have the same ones in stock, and I had to wait 6 weeks for the delivery of the first pair.
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Old 10-17-2008
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Lewmar failure

Interestingly, I had a problem with Lewmar this year. While single handing close hauled in a moderate breeze (about 17 knots apparent) one of the shackles on the mainsheet simply failed. I was astonished when the boom just suddenly shot out to leeward about 6 feet (measured at boom end) until the remainder of the main sheet assembly caught it. I could not imagine what the cause of failure was until I looked at the block on the boom and discovered half of the shackle still attached. The other half was lying on deck. And when I say half, I mean a big fat metal failure, in conditions that should not have stressed nearly as much as it should be designed for. I wrote to Lewmar, who promptly said they would replace it and volunteered to replace every one of the blocks and shackles in my main sheet assembly. I thought that was surprising, since there was no problem with any of the blocks, but this post may explain why. They sent it right out to me. I do find failures of this kind quite unnerving, as there are plenty of times one trusts his life to the equipment.










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Old 10-17-2008
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That looks like cheap chinese steel.
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You know what the first rule of sailing is? ...Love. You can learn all the math in the 'verse, but you take
a boat to the sea you don't love, she'll shake you off just as sure as the turning of the worlds. Love keeps
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—Cpt. Mal Reynolds, Serenity (edited)

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Old 10-17-2008
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I have nothing but good to say about them...

So far have allways been really nice and helpfull with me and what I need ...

They designed my oneoff traveller and a bolt bent, they promptly sent me a replacement and fixed it..

That is really weird....they don't make stuff in China SD..
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