On Sunday, December 2, 2012 12:14:06 PM UTC-5, Bob Kuykendall wrote:
... was used as a
plug to pull a set of molds for a certain composite sailplane kit that
appeared in about 1990.

That wouldn't be the same crew that:
- didn't understand the torque loads the SH offset spar
design resolves through the root rib,
- didn't do any proof-load tests prior delivering kits
- had unfortunate results for these and other reasons ?

I wouldn't expect anybody involved to admit it,
at least not prior to many beers...

See ya, Dave