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GPS's and Racing
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Yellowhammer



Joined: 06 Jul 2005
Posts: 46

PostPosted: Wed May 17, 2006 11:41 pm    Post subject: Reply with quote

I use my gps for racing and tuning. While tuning you must keep good notes. How much fuel, what is the air temperature, what impeller, flow of river, how much wedge, what nozzle, etc, and then start taking gps mph readings at the same point on a given river. This way you have some constants in the equation and can tell if making changes helps or scrubs any speed. I have used this method to calibrate my boats and the accessories that go on it.

While racing I use it to tell how hard I am driving and if my boat has any issues. My gps has a top speed function that you can check at the end of the run. It also has distance and average speed. This can help with fuel mileages and how hard you ran a given leg. It is also good to keep notes of these speeds at the different race courses to compare from year to year.

I would say the gps is one of the most important tools available to the marine industry since radar guns are too expensive and the manual keller speedos are too inaccurate. My navigator holds the gps while racing so I can see it when I ask for it. I always want to know what my boat is doing and the gps won't lie. I can't count how many times I felt I was going fast but the gps said I was a dog. Hate when that happens!

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Itsworthit



Joined: 15 Jun 2005
Posts: 432
Location: Whitecourt

PostPosted: Sun May 21, 2006 5:12 pm    Post subject: Reply with quote

We use the GPS mainly for testing purposes, although we do run it in the boat while racing, we use it as a general guide, we try to make a good track and if we get off the track, it is mearly an indicator as to what direction we should try to work our way to get back in the main channel, we tried to use it solely in NZ, but with 4 channels going left in 50' and it tells you you should be going left, at race speed good luck trying to find the right one with the GPS, there is no substitute for a good navigator, wide open throttle and your arsehole tightened up.
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ntjetboater



Joined: 15 Jun 2005
Posts: 401
Location: Land of many rivers

PostPosted: Mon May 29, 2006 11:38 am    Post subject: Reply with quote

Now thats what I thought..So who wants to cough up their GPS for few minutes after each race. I want to get the track logs for the video. The track will have all kinds of good info we can use. Each track point has data with it so we would be able to figure out exactly how far you travelled, the change in elevation, fatest speed and what your average speed was etc.
Just stop by the beer gardens after the race, because thats where I'll be after hanging out of the chopper all day and I can download the tracks to my laptop. Or if you can isolate the race track just email it to me. I only have garmin patch cables so if you want to provide your race data and have a different GPS then I will need your cable to download the data. It only takes a minute to get the track log Cool

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