Well, maybe it's not that germane for us vanagon owners, but ol' Einstein's equation (E=MC squared) (don't know how to make my computer put that little 2 above the C) is the basis of this. So that's Energy equals Mass times Velocity squared, and since the mass is a constant regardless of the speed, you can easily see why it costs more to go faster. For the math impaired, here's a chart: E = M(25 X 25) 625M E = M(35 X 35) 1225M E = M(45 X 45) 2025M (that's over 3X the energy required at 25 mph E = M(55 X 55) 3025M E = M(65 X 65) 4225M E = M(75 X 75) 5625M (that's 9X @ 25 mph) So, going 75 takes almost double the energy as going 55. As fuel prices go up, this is more and more relevant. We're lucky that we've got a built-in governor, eh? The "eh" is for the Canadian list members, since I didn't do kph. :>) Gabriel At 10:35 AM 8/17/2005 -0400, Roger Sisler wrote: >I just heard on the radio that driving over 60 mph is like paying .15 cents >for each mile per hour over this figure.If gas is $2,50/gallon(dont we >wish), driving 75 mph is like paying $4.75/gallon.I havent tried this >myself,but it think it might be a bit high.75mph is a place I only approach >by passing slower vehicles,and this only takes about 5 minutes. |
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