Spreader size effect

• Subject: Spreader size effect
• From: moishi@herman.cs.uoguelph.ca (Maurice Y Oishi)
• Date: 30 Sep 1993 00:55:43 GMT

Marty Sasaki (sasaki@netop3.harvard.edu) wrote:

: I think the greatest effect of lengthening the lower spreader is to
: increase the projected wing area. This increases the pull as well as
: the speed. Several kite manufacturers used to sell kits that would
: lengthen the lower spreader which almost compensates for the sail
: stretch of a well flown kite...

Marty, my follow-up question is: Would the loss of slack in the sail
reduce the camber created by the wind, decreasing the airfoil
(Bernoulli (sp?) lift) effect of the sail? Also, wouldn't the increased
tension on the sail reduce its smooth tracking?

Mo

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