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GPS Speedo? |
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91SN 
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Joined: August-24-2008 Location: United Kingdom Status: Offline Points: 38 |
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 Topic: GPS Speedo?Posted: November-23-2008 at 8:46pm |
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anyone used a GPS speedo?
are they any good/ accurate? |
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SkiBum
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Joined: November-17-2006 Location: United States Status: Offline Points: 587 |
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Posted: November-24-2008 at 8:49am |
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I use only Perfect Pass. I imagine the cost of a digital speedo is very close to the cost of a Perfect Pass 6.5ng system. Still get digital display of speed plus speed control.
If you are really spendy, you can go with Stargazer. I know Stargazer is spot on in the slalom course. |
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RainDog
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Joined: February-21-2007 Location: Mke/Grn Lake WI Status: Offline Points: 1387 |
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Posted: November-24-2008 at 1:42pm |
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91,
In what regard are you looking to use a GPS Speedo. Is it as part of Perfect Pass/speed control or just for speed reference? In Billy's Redneck Perfect Pass thread, I posted information about a GPS receiver designed to drive analog electric speedometer. Still hoping to put this into the Classic this spring. |
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91SN
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Joined: August-24-2008 Location: United Kingdom Status: Offline Points: 38 |
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Posted: November-24-2008 at 5:58pm |
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speed references - not convinced my speedos are that good any more, looking for a quick fix!
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TRBenj
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Joined: June-29-2005 Location: NWCT Status: Offline Points: 21138 |
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Posted: November-24-2008 at 6:16pm |
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You know theyre adjustable, right? Ive actually found all of my Airguides to be pretty darn accurate- both at skiing speeds and top end. You do need something reliable to verify them against though. Either borrow a handheld GPS receiver, or time yourself through the slalom course.
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ski196
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Joined: November-26-2008 Location: United States Status: Offline Points: 5 |
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Posted: November-26-2008 at 11:36am |
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If you are just looking for a GPS speedo, we have used the Livorsi GPS "ski" model in our show ski boats for several years. Units are accurate and very reliable.
Here is the link: http://www.livorsi.com/catalog/gps.htm |
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SNobsessed
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Joined: October-21-2007 Location: IA Status: Offline Points: 7102 |
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Posted: November-26-2008 at 8:57pm |
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If you use a GPS Speedo & are on a river with current, won't you have different water speed upstream vs downstream?
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“Beer is proof that God loves us and wants us to be happy.”
Ben Franklin |
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JoeinNY
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Joined: October-19-2005 Location: United States Status: Offline Points: 5697 |
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Posted: November-26-2008 at 9:11pm |
Yes but if you are skiing a course and the bouys are anchored down your still cool, now if you are free skiing or boarding then it will feel different and you might as well adjust speed for it. |
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86BFN
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Joined: July-28-2008 Location: Indiana Status: Offline Points: 882 |
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Posted: November-29-2008 at 9:43pm |
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I've used my portable to double check my airgluides, it seems to be right on. It also give you a nice lake map.
But it doesn't tell you where the sand bars are at. LOL 
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SNobsessed wrote: