It's called hydroplaning. Just like a boat the vehicle tires get up on plane and ride on top of the water at higher speeds. It takes less power to push forward, but you do lose some control and stopping becomes more iffy.
VIN # B0985
VIN # B0985
Effect of rain and speed on the efficiency...
This morning, we got a heavy downpour. I know already that my effective range is really reduced by more than 20% when it is raining hard. So I turned on the MPGe display to watch closely. My informal observation shows that I got very very bad MPGe <68, when driving at speeds of 35 mph and lower. The slower I get, the worse off the MPGe is on the display. When I go faster, the MPGe increased to about 90, in the heavy rain. The MPGe increased as I drove at 35 to 50 mph, then it starts to go steady from 50-60 mph and starts to go down again after 60 mph.
The MPGe pattern is dramatically different when the road is dry. The optimum speed is at 25 mph when I can get the highest possible MPGe and a bonus of 22% extra range compared to that at 55 mph.
Anyone else observed this?
The MPGe pattern is dramatically different when the road is dry. The optimum speed is at 25 mph when I can get the highest possible MPGe and a bonus of 22% extra range compared to that at 55 mph.
Anyone else observed this?
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