Dave Hyde wrote:

I think you have a fundamental misunderstanding of the basics here.
An infinte (span) wing has an aspect ratio of INFINITY, not zero.
LARGER aspect ratio is less drag.
Dave, to be fair to Jay, you did type

:The _definition_ of aspect ratio is chord/span

Of course, you immediately contradicted that by typing

r span^2/aero (they're equivalent)

which should have clued anyone in that you had inverted the first
expression.

--
Alex
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