[Bruce_Sailboatdata]

Looking a little further, the foot of a J24 main is only 9’9″. About the same as the J measurement on the MacGregor. Hoisting that sail at the angle of the forestay would mean cutting the foot of the main far enough up the leech to make the sail about 90% (rough guess). So now, not only is it expensive to do but the sail ends out too small.