UltraJohn wrote:

Mark Smith wrote:

exactly what stresses increase due to adding the outer sleeve of steel,
assuming your 'steel' adds no weight or inertia to the problem,,,,,,,


For starters all your flexing is now done on the end instead of gradually
over the length of the pipe. IE willow verses oak!
John


does the reduced flexing with the sleeve increase or reduce the stresses
at the wing root ?
--
Mark Smith
Tri-State Kite Sales
1121 N Locust St
Mt Vernon, IN 47620
1-812-838-6351
http://www.trikite.com