Fractured Axel

May be a bit late in this discussion, but isn't it true, that a spar wil react diferently, when NOT attached to any solid base?
You may consider a test with both ends of a spar loosely lying on 2 points.
Anyway keep up the research "Kite-Brainiac".

You seem to missing the biggest factor in all of this:

MARKETING

Zippy8 wrote:

Not sure where this leaves us.

Having to do a stress test?

mobius wrote:

Zippy8 wrote:

Not sure where this leaves us.

Having to do a stress test?

The pilots or the spars ??