Top Speed??

Just as an FYI my Yamaha manual says 4500 -5500 as the WOT setting. Seems very strange to have such a wide range on RPM for WOT.

Ran my boat a local lake this last weekend with the Navman system and a Lowrance 350 GPS/FF/Plotter, full fuel ( 60 gal ) 1 person, no T-top, med load of gear.
Using the Boating Mag test profile ( 90% of fuel cap 54 gal.) Boat had maximum range of 186 statute miles.

Test results are as follows.

RPM * * * * *MPH * * * * *GPH * * * * *Range * * * * *MPG
1000 * * * * *5.3 * * * * * *2.4 * * * * * *119 * * * * * * 2.2
2000 * * * * *8.2 * * * * * *4.5 * * * * * * *98 * * * * * * 1.8
2500 * * * *13.0 * * * * * *6.1 * * * * * *115 * * * * * * 2.1
3000 * * * *20.5 * * * * * *7.1 * * * * * *156 * * * * * * 2.9
3500 * * * *28.3 * * * * * *8.2 * * * * * *186 * * * * * * 3.4
4000 * * * *33.5 * * * * *10.3 * * * * * *176 * * * * * * 3.2
4500 * * * *38.6 * * * * *12.0 * * * * * *174 * * * * * * 3.2
5000 * * * *43.4 * * * * *15.6 * * * * * *150 * * * * * * 2.8
5400 * * * *48.5 * * * * *20.1 * * * * * *130 * * * * * * 2.4

It's nice to know I can get a 150 mile range with a wide range of speeds. *After looking at the numbers I am going to add a 19 gal permanent tank under the console. We regularly fish 30-50 miles offshore for tuna and will need the extra fuel for trolling and saftey margin.
I ordered a T-top to be made locally and that will increase fuel usage also. *
These tests were made under ideal conditions, no wind, 75 degrees and on a lake with no swell or chop. Please do not use these numbers for your boat. *

I can say that I have been very satisfied with the Navman unit so far. It says to mount sensor in a vertical position for best results but I mounted mine right above the gas tank in a horizontal position and put a small fuel filter right in front of it, seems to work great. The features are much better than the FloScan that I had in my last boat.
You get current consumption,total, trip & fuel remaining w/alarm. You do have to reset the fuel remaining after each fillup. You can also set it to read Liters, Imp. gallons and US gallons and also has a calibration mode if readings are not exact. My Floscan system was consistently off by about 3-5 % over and under.
This thing a great buy at $149.00 from outerbanks.com
no tax and no shipping charges.
No I don't work there but I would if I could get a big discount ;D

Charlie Buzzetti