I have copied over some numbers from BassCat's Website.
The numbers posted is with a light load but with full 30-35 gallon livewells. Boat was run during break in but not dialed in. Only 3-5 hours on the engine. The new Eyra is a 20' boat with Yamaha's 200HP VmaxSHO.
For me detailed info: http://basscatowners.yuku.com/topic/13562
Data:
2010 Eyra and Yamaha 200 SHO
June 22 2010 - Temp 82 to 88 degrees
3300 RPM - 35.1 MPH @ 7.6 GPH (gallons per hour)
3800 RPM - 40.0 MPH @ 9.1GPH
4200 RPM -50.2 MPH @ 11.3gph - Down wind with a breeze
(Numbers from here on are noted with wind direction - breeze was only a few MPH this day, no real chop)
4300 RPM - 50.2 MPH @ 11.4gph - < Head wind
4400 RPM - 54.6 MPH @ 12.4gph - > Down Wind
4600 RPM - 58.0 MPH @ 13.3gph - < Head Wind
4700 RPM - 60.2 MPH @ 13.5gph - > Down wind
4900 RPM - 61.6 MPH @ 14.8gph - < Head Wind
5000 RPM - 63.6 MPH @ 15.0gph - < Head Wind
5100 RPM - 64.5 MPH @ 14.5gph - > Down Wind
5500 RPM - 70.3 MPH @ 18.2gph - < Head Wind / With livewell water
5600 RPM - 70.8 MPH @ 18.2gph - < Head Wind
5700 RPM - 72.3 MPH @ 18.3gph - No Wind, no chop slight, slight breeze chipping water surface
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