One of the better justifications for 70 mph benchmark

Discussion in 'General' started by bwilson4web, Nov 22, 2020.

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  1. bwilson4web

    bwilson4web Well-Known Member Subscriber


    Some handy conversions:
    • 90 kph / 181 Wh/km ~= 56 mph / 290 Wh/mi
    • 100 kph / 192 Wh/km ~= 62 mph / 307 Wh/mi
    • 110 kph / 207 Wh/km ~= 69 mph / 331 Wh/mi
    • 120 kph / 229 Wh/km ~= 75 mph / 366 Wh/mi
    My typical cross country speed is "I follow trucks" which tend to be in the 65-70 mph speed range. There is some minor efficiency gain from letting the truck handle part of the aerodynamic drag but the real savings are: (1) minimum tailgating, and (2) cost-effective block-to-block time.

    Bob Wilson
     
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  3. Recoil45

    Recoil45 Active Member

    It really is state dependent. If you live in Virginia your highway speeds are likely never more than 65 mph and there are no trade winds to deal with. If you lice in Texas your highway speeds are likely 80-90mph and you are often heading into 15mph winds.


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