| Rossiter Pintail Mortagne sur Gironde, near Bordeaux |
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| Laser 28 - Excellent example of this great design Hamble le rice |
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| Laser 140101 Tynemouth |
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List classes of boat for sale |
Sailing GPS/Compass |
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Stefan Lloyd 
Really should get out more 
Joined: 03 Aug 04 Online Status: Offline Posts: 1599 |
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 Topic: Sailing GPS/CompassPosted: 08 Sep 06 at 1:17pm |
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So has anyone actually tried the Velocitek, or are we all relying on "celebrity endorsement" here?
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far canal
Posting king 
Joined: 01 Feb 06 Location: Micronesia Online Status: Offline Posts: 110 |
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Posted: 08 Sep 06 at 12:47pm |
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with the velocitek you set it up before the start and it does the rest , knows when beating or running.
with gps if you set a waypoint 100 miles away you would only get vmg one way - usefull undeniably but as you would never reach the waypoint it wouldn't switch to other direction without fiddlin with buttons which prob would loose you more than you gain.or would it show negative vmg ???, never tried it - anyone ?? |
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Guest
Newbie 
Joined: 21 May 04 Location: United Kingdom Online Status: Offline Posts: 0 |
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Posted: 07 Sep 06 at 5:17pm |
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Is a GPS system like that really any use for boat tuning? I would not have though the GPS accurate enough ... Also - can't you do this by setting a way point a long way upwind (i.e. 100 miles) and tracking your speed towards that waypoint? Rick Edited by Guest#260 |
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29er397
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Joined: 02 Feb 06 Location: United Kingdom Online Status: Offline Posts: 505 |
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Posted: 07 Sep 06 at 4:57pm |
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known as a Velocitek it is probably cheaper than buying both a gps and a tacktick as suggested. |
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catmandoo
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Joined: 16 Mar 04 Online Status: Offline Posts: 545 |
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Posted: 07 Sep 06 at 1:58pm |
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got a foretrex 201 last year , just used it for fun mainly and strapped to boom with pvc tape - safer that way ,
anyway mounted it on a bracket on spin pole last night and could see it most of the time , left it set on speed and didn't see any great fluctuations as described , numbers seemed to flow pretty smoothly in line with percieved by the seat o pants device.
was good at showing when you hit adverse tide ie numbers would drop without apparent change in speed thro water and in oppo scenario good too .
what really need is the vmg device from sailing anarchy as used by rohan veal etc |
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Stefan Lloyd
Really should get out more
Joined: 03 Aug 04 Online Status: Offline Posts: 1599 |
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Posted: 07 Sep 06 at 7:46am |
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Is anyone getting good results from using a GPS as a tactical compass? All my experience indicates otherwise; that you get large spurious short-term fluctuations in speed and heading from GPS. There is another thread on this board which shows the same as far as speed goes. However I haven't tried the particular unit being suggested here.
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Worthy
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Joined: 07 Dec 05 Location: United Kingdom Online Status: Offline Posts: 511 |
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Posted: 06 Sep 06 at 11:06pm |
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I like mine, I bought the battery operated version rather than the one with the in-built battery so I don't have a problem of charging it when camping in a field. |
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les5269
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Joined: 11 Oct 05 Location: United Kingdom Online Status: Offline Posts: 1530 |
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Posted: 06 Sep 06 at 9:10pm |
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I've just bought a Garmin foretrax so if you give me a few weeks I'll give you some feedback on that. I have a couple of friends who have them and they swear by them (which is why I bought mine !) Edited by les5269 |
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49er 531 & 5000 5025 and a mirror(now gone to mirror heaven)!
Grafham water Sailing Club The greatest inland sailing in the country |
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49erGBR735HSC
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Joined: 30 Mar 05 Location: United Kingdom Online Status: Offline Posts: 1991 |
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Posted: 06 Sep 06 at 9:01pm |
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Why not just buy a Tacktick micro compass and hunt for a Garmin Foretrax on E-Bay, seen 101s going for £60(ish). Dedicated compass for the boat and you can use the Garmin for cycling and other activities too.
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29er397
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Joined: 02 Feb 06 Location: United Kingdom Online Status: Offline Posts: 505 |
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Posted: 06 Sep 06 at 8:44pm |
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i wouldn't mind sailing round the marks once before the races start, but as soon as the OOD changes the course you would have to do it again! bit too much effort for my liking!
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