Thanks SMH. Sounds like we would have an interesting conversation over a table littered with rum glasses and scraps of paper showing stability and strength calculations. Perhaps I am attributing more effect than I should to the weight aloft.
What would be interesting would be to see the impact the weight aloft and below has on the roll moment of inertia, and ultimately some of the boat's comfort. For those who wonder what I am talking about, try moving around your boat before the mast is stepped. The roll period of the boat (that is, the rate at which it tries to return to level) is much faster than it is when the mast is stepped.
Here is a practical thought on 350 pounds of ballast: These boats are weight sensitive (hard to believe on a 5500 pound boat but there it is. Note the height of the cockpit sole above the waterline. Add 350 pounds of lead, fill all the tanks and take on all the gear for the adventure and I am all but certain that the cockpit sole will be awash due to backflow from the cockpit drains. Since I have not yet installed the watertight seals that have been discussed elsewhere, leakage at my engine panel would be a real problem.
(Hey Christian -- you recently loaded your boat like this -- was scupper backflow a problem?)
I believe Christian's point on preparation is on track. Know oneself and the boat, and try everything before you leave.
It seems to me that the trick with this adventure voyage is to not pretend that one is going to set a speed record doing it. By following a stepping-stone path and sailing in fair weather this trip could be made with relative ease. Much as it is tempting to head to sea for a 5,000 mile passage, when one is exhausted and sick and generally fed up, a calm anchorage, a dry bed, a warm meal and a good night's sleep can radically change one's outlook. Daysailing may not get you from A to B quickly but it is likely to keep one safer and happier!
Also, I agree that these boat are far from perfect. My soggy poopdeck is a good example. All boats have their faults -- that is part of the appeal I think. It gives one something about which to daydream. If someone knows of a perfect boat let me know.