By the way the BGA's 2013 safety review is here:
http://www.gliding.co.uk/bgainfo/doc...iew2013web.pdf
One example caught my eye - "Glider took off with the elevator disconnected; the glider was rigged by a group of visitors without any single person taking responsibility; no positive control checks and no DI."
Also from the BGA website dated Mar 14:
In the last four years 10 flights have been made in gliders with disconnected controls (three elevator, four aileron, one flap, one airbrake, one trim). Two flights have been made with an insecure tailplane and one flight with an insecure main pin. Other flights with improperly rigged gliders include two with missing drag pins, a disconnected hotelier, missing shims, a drag pin inserted with the handle instead of the barrel, and a missing wing tip. These events led to one fatality. There could easily have been more. One glider was taken to the launch point with the wing main pin on the pilot's seat. One insecure tailplane was detected just prior to launch. 29 canopies detached in flight. There were 19 other instances of inadequate preparation for flight, mainly unlocked airbrakes, and loose articles
Can you imagine the outcry if this happened on a VGS? The Coroner and media would have a lot to say. Please, I am not trying to point-score between VGS and BGA, but this indicates why your proposed use of BGA clubs would not work without radical change.