Prone foil wing size ratios based on weight?

[Matt]

Tying this back to the Fast Ratio, which seems to generally match ratio of 10 being Safe, and 7 being Fast.

Aspect ratio of boards and foils

[Thursday Thoughts | The Fast Ratio] James Casey discusses the idea of a foil ratio, with attached spreadsheet. Seems like a good idea but probably needs to be locked for similar AR or reconsidered with AR in mind