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PY / Top Speed formula?
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Charlie 8835 View Drop Down
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Posts: 5 		Post Options Post Options   Quote Charlie 8835 Quote  Post ReplyReply Direct Link To This Post Topic: PY / Top Speed formula?
    Posted: 10 Apr 13 at 4:51pm
I like the thought of anything big (Osprey / 505 / FD etc) which can go for speed in a 30 knot breeze.  I also like the comment about a spinnaker being a bit too unstable in top breezes.
 
So stable and able to travel with just 2 sails up.
I presume that sailrocket doens't actually have a PN numbner....coz de-rigging for each tack would be slow!!
 
A Cherub or a 12-footer from down under is probably quite a good bet.  Isn't the h/cap similar to a 420?
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iGRF View Drop Down
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Posts: 6499 		Post Options Post Options   Quote iGRF Quote  Post ReplyReply Direct Link To This Post Posted: 10 Apr 13 at 5:07pm
That little V3k can get quite a lick on with a half decent puff up it's ass.

Reckon that could be good for 20kts
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Rupert View Drop Down
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Posts: 8956 		Post Options Post Options   Quote Rupert Quote  Post ReplyReply Direct Link To This Post Posted: 10 Apr 13 at 5:12pm
Forum speeds are creeping up again...
Firefly 2324, Puffin 229, Minisail 3446 Mirror 70686
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Reuben T View Drop Down
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Posts: 74 		Post Options Post Options   Quote Reuben T Quote  Post ReplyReply Direct Link To This Post Posted: 10 Apr 13 at 9:07pm
I dont see 20 knots being that unreasonable, I have had 15knots on GPS from a laser 2 single handed, a 3k being lighter with more sail is probably capable of 20 in a very good wind
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iGRF View Drop Down
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Posts: 6499 		Post Options Post Options   Quote iGRF Quote  Post ReplyReply Direct Link To This Post Posted: 10 Apr 13 at 10:01pm
Originally posted by Rupert

Forum speeds are creeping up again...



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Mark Jardine View Drop Down
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Posts: 1028 		Post Options Post Options   Quote Mark Jardine Quote  Post ReplyReply Direct Link To This Post Posted: 18 Apr 13 at 10:03am
What a week for launching new stuff and making new announcements on YachtsandYachting.com! Today we've launched the Wildwind Speed Freaks Challenge!

http://www.yachtsandyachting.com/news/168927/Wildwind-Speed-Freaks-Challenge-launched!

THREE prizes of Wildwind sailing holidays and £250 for the winner's clubs!

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RS400atC View Drop Down
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Posts: 3011 		Post Options Post Options   Quote RS400atC Quote  Post ReplyReply Direct Link To This Post Posted: 18 Apr 13 at 11:45am
gps 30 second overall speed.
I think 30 seconds feels like quite a long time in 'top speed' conditions.
 
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gbrspratt View Drop Down
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Posts: 170 		Post Options Post Options   Quote gbrspratt Quote  Post ReplyReply Direct Link To This Post Posted: 18 Apr 13 at 1:42pm
Stupid question time..... How do you get a GPS to do 30 second average?
I think im having a senior moment...
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RS400atC View Drop Down
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Posts: 3011 		Post Options Post Options   Quote RS400atC Quote  Post ReplyReply Direct Link To This Post Posted: 18 Apr 13 at 1:53pm
Originally posted by gbrspratt

Stupid question time..... How do you get a GPS to do 30 second average?
I think im having a senior moment...
Not a stupid question at all.
I have two GPS units that don't do it.
One Magellan, one Garmin, both over ten years old.
 
I have two others collecting raw NMEA data on a PC,
I can feed that into a spreadsheet.
Just need a waterproof PC now...
 
It would not be hard to 'simulate' the data.
I guess I've just DSQ'd myself....
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gbrspratt View Drop Down
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Posts: 170 		Post Options Post Options   Quote gbrspratt Quote  Post ReplyReply Direct Link To This Post Posted: 18 Apr 13 at 1:56pm
Looking at the gt31..... Will this do the trick then?
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