Hugh Fraser, who built Scotia, his 50-foot steel boat, listed some useful tips that could be easily accommodated on a production boat. "For lightning protection, a spike on the masthead seems to work," he said. "Stow a spare GPS and radio in a tin box in case your boat is hit. For your safety and comfort, make a combined stainless-steel security grate and mosquito screen for the companionway hatch, so you can lock yourself in at night and keep cool. Carry a spare computer and a separate hard drive loaded with all your programs. Among the things to avoid are deep freezers, because they're too power hungry, and certainly spade rudders, because if they break, you may lose your boat," Fraser added.