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Old 06-24-2020, 05:58 PM   #45 (permalink)
Engeu1
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Quote:
Originally Posted by aerohead View Post
. This tail, however, was optimized for a 'box' or 'van' which already had upper edge radii, something not seen typically in commercial vehicles, due to the intrusion into the cargo volume.
I have radii on the sides at the top, but all rear edges are square.

Quote:
Originally Posted by aerohead View Post
Hucho tested vanes and measured no benefits. Only box-cavities and boat-tails made any difference.
If fairly or unfairly we put the following in the category of vanes, how would you put the respective fuel economy or drag reduction claims in context vis-a-vis Hucho?

See II Air Foils | School Buses

https://rocketail.com

https://www.researchgate.net/publica...al_Guide_Vanes

(there are full copies of the last paper available online via search)

Last edited by Engeu1; 06-24-2020 at 06:10 PM.. Reason: access
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