roger, roger ... my #2 on roller furling as well ... works well to 25 with full crew weight on high side. Sail maker is supposed to measure all this stuff out and then run it through computer to figure out the "best" cut ... but if they don't know how wacky J30 guys sail ... duh.
Picture of Vee Jay with reefed #2 at
http://captainvic.com/veejay/veejay1.jpg.So ok the boat was still overpowered ... but no rooster tails off the stantion bases.
The lead would have been at the forward end of the main track.