Hello,
Had quite a struggle getting the Quad sail to set correctly.
The Quad sail is not a triangle like the Jib, the Quad is shaped like this " /_____\ " with the tops joined.
So the sheeting on the top and bottom has to be just right for the sail to set correctly.
I have a alloy tube, an old Mast, which I fastened to a 3 foot piece of wood, to make a very large "L", which I then used as the front of a "Dummy boat", and set the Quad and the Jib on it.
I could then stand in the wind with the sails set as they were on the boat, and adjust the sails very easily, no weighty boat to turn from side to side - - very nice !!.
A couple of my neighbours saw me doing this!,- - thought I was cracking up !.
Well worth it, walking the frame into the wind gave me the effect of a gust of wind, going the other way gave me calm conditions.
A DIY Wind Tunnel !!!.
John.