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Topic: Are electric cars the future
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12/2/2022 at 2:57pm
Location: East Herts Outfit: 1992 Elddis Wisp 450CT + X Trail
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One of the following comments mentioned drag and I have always said that this would probably have a more detrimental effect than weight. Weight has more effect from a standing start than it does when you are travelling at a constant speed whereas with drag the opposite is true. Drag, especially that from the air resistance from the front of the caravan, increases with speed, and at a constant speed it has a constant effect. When moving off from a stand, drag has very little effect but weight does, but once you are moving that reverses, and drag has the greatest effect. The frontal area of a relatively small light-weight caravan like mine is virtually the same as that of the largest twin-axle vans, but as it is light and well below the maximum towing weight of my car, I hardly notice it when moving off.
Would weight be the factor that reduces the range of an EV when towing, or would it be drag? I suspect drag would be the biggest factor unless the driver kept the speed very low.
------------- Best Regards,
Colin
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