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23/07/03 14:51:33Login ] [ Contact Forum Admin ] [ Main index ] [ Post a new message ] [ Search | Check update time | Archives: 123456[7]89 ]
Subject: Limescale on propshaft


Author:
nick
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Date Posted: 18/03/04 19:38:02

I'm sure all you good people use your boats far more than I do so never have this problem but it was a surprise to me.

Last winter I had a vibration on the shaft which I took to mean I needed a new cutlass bearing.

However I was chatting to a Bukh service agent about it who is also a member of the yacht club (I was going to scrounge his cutlass bearing removing kit for taking them out without removing the shaft) and he told me it was limescale.

I expressed surprise but took the shaft out anyway to have a look. As he said, there was a build up of lime on the shaft.

Now this winter I was showing someone round the boat and he asked me to put her in gear. A God awful noise ensued and my prospective purchaser went pale.

I said Oh I know what that is, it's limescale.

I'm not sure he believed me but I know that noise, when she comes out it will be easily fixed.

My real question though is why do I get limescale? The boat has been in the marina for 7 months now and that's the first time I've turned the prop (you can see why I'm selling now) but is that all it takes?

I know you get limescale round the miniscus of the water in a toilet if you don't disturb it, but this is in a cutlass bearing underwater.

Any chemists out there?

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Replies:
Subject Author Date
Re: Limescale on propshaftFrank Marsden19/03/04 10:06:21
Re: Limescale on propshaftjohn templar20/03/04 20:38:05
Re: Limescale on propshaftJohn Templar20/03/04 20:51:18


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