viewtopic.php?f=21&t=57192&start=30look down this page they show some very good examples
this site is all about those windows.
Michael from Sydney Australia has helped me the most, and Andrew is best at lilistrating it.
my plan it so have a pc of sheel metal at the bottom I should cut the angle side on one side a little shorter so drip pan is higher at on end and will run out on the other The door is not made yet so you have reminded me to make the window hole to accomidate the wiley window run off.
Thanks for the tap on the shoulder

Ron