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The Norfolk Broads Forum / General Chat / Tide Calculater Clock ?????
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Posted By Discussion Topic: Tide Calculater Clock ?????

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boat-mad
May-03-2016 @ 2:26 PM                           Permalink
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Hi all,

The attached photo is of some sort of clock looking tide dial thingy that was on Royall Velvet 2.

Does anyone no what it is, how it works and how to read it.  Question

Kind Regards
Alan...
www.mynorfolkbroadsboating.co.uk/

boat-mad
May-03-2016 @ 2:28 PM                           Permalink
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Sorry!

Forgot to attach photo dunce

Kind Regards
Alan...
www.mynorfolkbroadsboating.co.uk/


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LeoMagill
May-03-2016 @ 2:36 PM                           Permalink
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I believe you either set it at hw or lw and it runs like a normal clock except with 24hours 50 minutes to a full turn instead of just 24 hours.
You still have to do your offsets for different places along the rivers and tides can be quite a bit late or early with the wrong weather conditions.

If you don't like what I say don't hurl abuse at the boat, I've sold it...

Speleologist
May-03-2016 @ 2:39 PM                           Permalink
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It's a stadard tide clock. The extra hand moves approximately with a tide cycle, which is a bit more than 12 hours. Of course they will only tell the tide time for the location to which they have been set (e.g. Gorleston Bar), not for your actual location if you are on the move.

Robin
www.robin.me.uk
"Posthabui tamen illorum mea seria ludo"

16E
May-03-2016 @ 2:42 PM                           Permalink
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It's a generic tide clock.  You still need tide tables to set it.

You set the clock as a normal clock.
The background bezel can be turned so that the red high tide pointer can be set to the appropriate hour.
You can then read what the tide is doing and going to do over the next period.

However, it is a generic clock working on a 6 hour flood then 6 hour ebb cycle, as experienced on most coastal waters.  As you will be aware move about one hour each 24 hour cycle so you only see what is predicted for up to 12 hours ahead.

Remember tidal rivers including the broads, the Solent and other coastal locations do not follow the 6 hours flood / 6 hours ebb rule so the clock is no good for these area.

In summary very pretty, impresses the visitors, but is actually of little use as you have to be able to work things out yourself from proper tide tables.

Mal
16E

Life isn't about waiting for the rain to stop.

It's about learning to dance in the rain.

boat-mad
May-03-2016 @ 2:47 PM                           Permalink
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Thanks for clearing that up for me guys. Cheers

I couldn't see anything to adjust but I guess you would have to remove it from the wall and change the settings on the back.

Kind Regards
Alan...
www.mynorfolkbroadsboating.co.uk/


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