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Post by colin on Oct 27, 2013 17:11:03 GMT
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Post by graham7 on Oct 28, 2013 14:50:01 GMT
Love the big sigh just as you start the beat Graham
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Post by rupert on Oct 29, 2013 10:14:18 GMT
When you gybed, and made it look easy, I thought - oh, it can't be that windy, then - but then the Phantom gybed behind you and was all over the place, and you blasted past an upside down Laser (I think) on the reach, which flipped again, so hats off to you for making it look so calm!
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Post by jonathantwite on Oct 29, 2013 13:23:04 GMT
Even more impressive, I think the Laser is a Radial
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Post by the black pig on Oct 29, 2013 16:55:12 GMT
Think the laser radial could be a comet.
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Post by casablanca on Oct 29, 2013 17:28:00 GMT
I thought it was a Comet, it's not a radial, the window in the sail is the wrong shape.
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Post by rupert on Oct 29, 2013 20:38:49 GMT
I wasn't watching too closely, but Comets are amazingly unstable in a blow, so wouldn't surprise me.
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Post by the black pig on Oct 29, 2013 22:25:25 GMT
Comets are nice boats until it gets windy. Once it's gets windy I would much rather sail a moth or lightning or even a standard laser!
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Post by jonathantwite on Oct 29, 2013 22:33:13 GMT
I hadn't studied the window shapes of comets and radials. Now I have I agree, it's definitely more likely to be a comet than a radial.
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Post by colin on Oct 30, 2013 15:01:31 GMT
Yes, it was a Comet and sailed by Ian Coppenhall who has been their National Champion for a number of years.
Out of interest, I made an estimate of the distance between the two flags on the long reach and coupled with the time of flight from the camera to come up with an average velocity of 5.8m/s or 11.3knots. Must see if I can borrow a speed puck the next time it gets windy.
Colin
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Post by MothHombre on Nov 3, 2013 20:19:55 GMT
I think you make it look a bit too easy in that video Colin!
If you can borrow a speed puck it would be interesting to see what speeds you can manage!
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Post by colin on Nov 5, 2013 9:43:21 GMT
Abby kindly lent me here speed puck last Sunday. Unfortunately, the wind was lumpy and the water choppy – not a good combination - so a rather miserable 9+knots.
I am running a new rudder foil that seems to overcome some of the steering sensitivity issues at higher speeds. Video footage of the rudder wake confirms good control. However, I have a nagging doubt that the rudder may be partially running in the centreboard tip vortex at high planing speeds (there is not a lot of distance between the trailing tip of the centreboard and the rudder). I have a centreboard blank ready to be cut and have a good idea of what I wish to achieve. Before I commit I want to see if I can mount the video camera under the boat and get to see what is going on. Unfortunately, the water is a very murky green half a meter down, especially when it’s windy.
Ah, so much to do……
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Post by abby on Nov 5, 2013 18:51:01 GMT
Even if you could see through the water won't the water be so disturbed by a lumpy camera that you won't be able to see the vortex? You need one of those ....o dear. senior moment - camera like wot they stick inside a people to see wots rong - on a cable?
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Post by MothHombre on Nov 5, 2013 20:00:14 GMT
9+ knots is a benchmark at least. That 10 knot barrier must be appealing though. Anyone have any thoughts on what the top speed of a BM could be? Can anyone claim to have gone faster already?
Sounds like an interesting rudder arrangement. You will have to keep us posted and maybe share some pictures or videos.
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Post by colin on Nov 5, 2013 21:01:16 GMT
I kind of had it mind that it would sit a little way behind the rudder and looking forward. There is also the amount of scaffolding to fix it.
But I might tape it onto the transom looking down .....
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