Trade-off between higher and lower Aspect Ratios?

[rtfm]

Hi guys,
Are there any compelling reasons to go with either high AR wings or low AR wings? The reason I'm asking is that I really can't see any significant difference if I plug in an AR of 6 or an AR of 9 (into the Roncz spreadsheet).

Basically, because I can't see any significant performance differences, I was wondering what other factors I should be taking into consideration.

I've appended screenshots of the figures for your consideration and comment.

Regards,
Duncan

 

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