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Old 08-28-2023, 11:39 AM   #47 (permalink)
JSH
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Join Date: May 2009
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Adventure Seeker - '04 Chevy Astro - Campervan
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Quote:
Originally Posted by j-c-c View Post
Originally Posted by j-c-c
This is from the opening post: "At highway speeds regarding mpg, in a full upright ride posture and at what point is a windscreen too big for mpg improvement?"

Your above IHPAVA reference is not likely highway speeds related, nor an upright position, nor sustainable for long in most cases being it's a crouched riding position behind a windscreen or maybe an obscure fairing.

I think this whole discussion should not lose sight of the "measurable vs significant" symmetry here.
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I gave you real world data in post #15. A barn door windshield is good for about 5% improvement in fuel economy.
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