I don't think length is the spin bail issue,I doubt they'd shorten the mast. I'm guessing it's strength above the hounds, i.e. lower bail gets it closer to the supported section.There was word floating around awhile ago about double spreaders for support,but that's alot of weight aloft.
Todd


"I said, now, I said ,pay attention boy!"

The cure for anything is salt water - sweat, tears, or the sea
Isak Dinesen
If a man is to be obsessed by something.... I suppose a boat is as good as anything... perhaps a bit better than most.
E. B. White