Quote:
Originally Posted by j-c-c
At highway speeds regarding mpg, in a full upright ride posture and at what point is a windscreen too big for mpg improvement?
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It will depend mostly on the shape and inclination of the windscreen, but it's still most often way more efficient than having no windscreen at all. Even if the windscreen is a little more upright, like you'll be more likely to see on a Harley, if it's quite curved, may deflect better the air than the rider's torso would when directly exposed to the air flow.