Thom Stewart wrote:
Jeff,

I may be wrong but I do believe you're making the same error Neal is?
Aspect Sail Ratio is Chord distance compared to distance from luff to
leech measured horizontally. I don't understand how you're getting that
from the line drawing?

I can't e-mail you but you can use my addy to reply off line if you'd
like?

Ole Thom


Sorry Thom, the aspect ratio of a sail, as used by sailors, is the luff
to foot ratio. More properly, however, its the height squared divided
by the sail area. This number will be half what is normally given for a
triangular sail, but then increases as the roach is increased.

The wing sail of Spitfire has a luff to foot ratio of over 3 to 1, but
since it is nearly rectangular, its effective aspect ratio is much
higher than that of a triangular sail.

Is it possible you're thinking of the Camber Ratio, the depth of the
maximum draft over the luff to leech length?