Originally posted by majestic
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Im lost without the PW thread!!!!
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Originally posted by majestic View Post
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Originally posted by skippabcool View PostI just checked that out. Didn't seem too bad. I saw another that has one huge mud flap all the way across. Others have strands of mud flaps or the material like a broom hanging down.
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Originally posted by Ewok View PostI'm having trouble trying to figure out how a gps helps to make a consistent wake. The gps will measure ground speed relative to a stationary surface on the earth. It will not take into effect the current of the water. While it may be insignificant in a stable lake, it will be off a little in a river to maintain the same wake.
The wake of the boat is generated when the hull moves through the water and displaces water. The rebound of the displaced water is the wake. We all know that 1-2 mph difference in the speed makes a little bit of difference in the wake. So if you are using a gps to go upstream in 2 mph current and the speed is set at 22, then the relative speed of water across the hull is 24 mph. Going downstream with the same speed would be 22 mph minus 2 mph for going with the current, so the relative speed of water over the hull is 20 mph, a 4 mph difference from upstream to downstream.
This example is not unreasonable for a river and we had a 1-2 mph current in Lake Amistad since it was formed by 3 rivers and had a steady flow through the dam.
This is why I think a paddle wheel is better, since it measures the relative flow of the water across the surface of the hull and is not influenced by currents. The paddle wheel is way more accurate than the pitot tube my I/O had built into the stern drive.
Also, he addresses what you are talking about.
http://www.nauticlaugic.com/nl5.html
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Originally posted by skippabcool View PostThey would probably work for me too. I would need a new hitch. I will have to stop in and check out what the RV places have up north. High prices.
http://www.andersenhitches.com/Produ...-mud-flap.aspx
Last edited by Ewok; 04-12-2012, 04:34 AM.2009 RZ2, PCM 343, MLA Surf Ballast, Premium Sound.
2013 Toyota Sequoia 4WD W/Timbren SES
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Originally posted by hyphen79 View PostEwok, I am looking into this because of my ballast install. My starboard inlet is in front of the transducer and could possible affect my cruise control. So I am looking into alternatives in the event my inlet really does affect my paddlewheel.
Also, he addresses what you are talking about.
http://www.nauticlaugic.com/nl5.html
Unfortunately my experience with GPS makes me ask annoying questions like that, I'm trying to work on it though2009 RZ2, PCM 343, MLA Surf Ballast, Premium Sound.
2013 Toyota Sequoia 4WD W/Timbren SES
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Originally posted by Ewok View PostLooks like a cool product and will help you out if your concerned about turbulence across the paddlewheel. I like that it's a blended speed solution. In my airplane we have 4 gps units backing up 2 inertial navigation systems which help us determine the winds aloft by comparing what the INU says we are doing vs what the gps says we are doing, in the most basic explanation.
Unfortunately my experience with GPS makes me ask annoying questions like that, I'm trying to work on it though
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