On Monday, October 31, 2016 at 11:48:34 AM UTC-7, Dave Nadler wrote:
On Monday, October 31, 2016 at 2:35:26 PM UTC-4, JS wrote:
Using excess force with a Schempp dump valve misalignment may end in tears.

Oh dear, how do we know this???

Someone gave rigging in "dump" position a try on one of the club's Discus 2s.
Seems like a wing panel makes a good hammer.
Jim