At 14:26 13 February 2018, Michael Opitz wrote:
At 04:15 13 February 2018, Paul Agnew wrote:

Paul A.
Jupiter, FL
ASW-19 (basic un-modded speed brakes...for now.)

Paul,

Get on the phone with Rex Mayes at Williams Soaring and
order that kit today. It's a big landing safety improvement,
and it's pretty easy to install with pre-fab clamps, etc. Just
get it done....

RO


I finally remembered the guy's name. It was Stich. IIRC, he was
an engineer with the DVFLR (German flight research institute).
He also made other mods to his ASW-19 (re-profile of the wing
leading edge, etc?), but the two stage dive brake mod was his
contribution to glider safety. Because of his work position, the
regulatory approvals came very quickly. Now, his invention is
pretty much standard issue on new gliders, and retrofit kits have
been made for older ones that were produced without the rear
plates.

RO