Just so everyone is talking about the same thing, here's John's trapezoid link (was in another post):
http://www.abyc.org/upload/2009YouthWorldQualifierSIs.pdfI've seen a finish line set up at Mark 5 at some Opti and Laser events (including Olympic Trials). This works well when the boats are of somewhat comparable speed, you send the first fleet(s) around the "other loop" and the later ones around the "inner loop." They all finish at the Mark 5 finish line, and this keeps the starting line clear and ready.
Not sure that this would work with spins and Waves, because I think eventually, the spinnakers are going to catch the Waves, but I suppose with some practice, we could get it to work.
If I'm understanding Matt correctly, he plans to send the Waves off first, over to the "outer loop" and eventually down to a finish line at Mark 5. The 17s and 18s would stay on the "inner loop" and do standard W/L courses, finishing at the signal boat. Or, are you thinking of another arrangement Matt?
Mike