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Go Back   SailNet Community > On Board > Gear & Maintenance
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  #1  
Old 12-18-2009
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Tell-tail ideas

OK, when John (JRD22) was on my boat this summer he commented on my tell-tails that I invented, so I thought I would post a how to on shroud tell-tales and encourage anyone else with other ideas to post.

I used green and red ripstop left over from my skydiving years and cut them into thin strips. I took off my white shroud protectors (I don't like those) and I cut off a short piece and put it on the shroud. Then I take one of those special black wire/zip ties with the hole in it and I secure it with a little play to the shroud so it will spin. I tie the rip-stop and I'm done. I would have used a single piece of rip-stop and doubled up but these are the longest pieces I had.



To adjust them, simply slide the shroud protector up and down. Because I have a pilot house, I have 4 of these. I have a set up high so I can see them from the cockpit and a set down low so I can see from the wheelhouse. And of course, I have green to starboard and red to port. These have worked well and much better than yarn which is what I was using prior to this. Yarn gets wet up here and clings to the shroud. These ones I built always spin and rarely stick to the shroud except in heavy rains combined with very light or no winds but they eventually free themselves.

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Last edited by Bilgewater; 12-19-2009 at 04:14 PM.
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Old 12-19-2009
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I am constantly bedevilled in coming up with a decent stay mounted tell tale. This is simply a super idea and like the best ideas such a simple solution.

Thanks for that. A shiny gold star for you.
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Old 12-19-2009
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Any wind direction measurement instrument including telltales should be on the top of main mast. The wind is deflected by the sails and this deflected wind direction is sensed from any direction indicator that is affected from the sails. These telltales will nearly always be parallel to your sails maybe only a few degrees off parallel. In tihsi case you will only have some idea of wind speed but not wind direction.
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Old 12-19-2009
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Quote:
Originally Posted by celenoglu View Post
Any wind direction measurement instrument including telltales should be on the top of main mast. The wind is deflected by the sails and this deflected wind direction is sensed from any direction indicator that is affected from the sails. These telltales will nearly always be parallel to your sails maybe only a few degrees off parallel. In tihsi case you will only have some idea of wind speed but not wind direction.
Just to be clear, shroud tell-tales are very common and they can be purchased commercially. This idea is simply a do-it-yourself method of making them. Downwind is when these are used and they definately would not be parallel to the headsail or main. All indicators of apparent wind direction are helpful.

Here's a commercial version of shroud tell-tales: Shroud Telltales, 1/8" (Pr) - 221 from DAVIS INSTRUMENTS

Rather than repeat what has been said by others, there is some good information on it's application/use here:
http://www.anything-sailing.com/tell...82.html?t=4982
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Old 12-19-2009
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I am constantly bedevilled in coming up with a decent stay mounted tell tale. This is simply a super idea and like the best ideas such a simple solution.

Thanks for that. A shiny gold star for you.
Thanks Fuzzy, glad you found this helpful and thanks for the star.
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Old 12-19-2009
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I've got the Davis ones--I like yours more. Excellent idea. Thanks!
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Old 12-19-2009
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Ok Bilge, now come up with a pennant on a pigstick that I can hoist at the top of my mast in lieu of the wind indicator/ bird purch I have now.
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Old 12-20-2009
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Originally Posted by arf145 View Post
I've got the Davis ones--I like yours more. Excellent idea. Thanks!
I would imagine you could also use slightly undersized surgical tube instead of the shroud protector and with the added benifit of being clear it may look nicer. I'm pleased you like it, you will be happy with the results.

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Ok Bilge, now come up with a pennant on a pigstick that I can hoist at the top of my mast in lieu of the wind indicator/ bird purch I have now.
Pappy...the standard or bird poking model??
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Old 12-20-2009
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The wind is deflected by the sails and this deflected wind direction is sensed from any direction indicator that is affected from the sails.
That's a good reason to look at the ones on the windward shrouds.
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Old 12-20-2009
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Originally Posted by seayalatermoonglow View Post
Thanks Fuzzy, glad you found this helpful and thanks for the star.
The Davis type ones are what we had until the last one disintegrated and fell off a couple of months back. They simply do not last. Pain in the butt really.
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Last edited by tdw; 12-20-2009 at 07:24 PM.
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