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Yamaha Fuel Management Gauges
Richard Casady wrote:
On Fri, 4 Jul 2008 06:29:26 -0400, "Jim" wrote: "Graham" wrote in message news:ypjbk.54744$Jx.31786@pd7urf1no... Does anyone know if these gauges display miles per gallon (or litres per km) or just miles travelled and gallons consumed? Do they need any special interface to work with standard GPS's like a Raytheon chart plotter? Thanks, Graham The GPS reports miles per hour over land. It would be useless to use those calculations in determining real miles per gallon over the surface of the water. It reports MPH everywhere equally well. It doesn't know sea from land unless you get it wet. It reports speed over the land and if the land is flooded, at sea or on a river, there may be an effect from currents. Casady I keep my eye on the water, not on the gauges, unless I'm heading into shallows, and then I watch out for diminishing depth. If I were "voyaging" over more complicated waters than Chesapeake Bay, I'd pay more attention to the electronics, I suppose, but I know the land sights on both sides from Baltimore down to the mouth of the Potomac, so on a reasonably clear day, I know where I am in space. This is no great accomplishment...anyone who pays attention while out on the boat around here can do the same. |
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