Originally Posted By nick w
As inventor (and copyright holder) of the "twelve o'clock" system I remind you that the inner flap should hinge from 12 o'clock so that the flap is out of the way, that is, not interfering with the air trying to escape.
Tsk, tsk................
Nick smile


Nick is of course right...the flap hinge has to be at the top!

Peter,
66, 2016 Porsche Boxster S
No longer driving Tarka, the 2014 Plus 8...