While the boat is in its cradle and you can see the prop, mark the prop shaft inside the boat when the prop is properly folded or feathered. A feathering or folding prop is worth major savings in drag and gives your boat instant speed. Get the bottom cleaned before each race. It has to be clean to be fast. Hire a bottom diver who knows how to service a race bottom and uses light duty cleaning methods.
Good divers know how to preserve a race bottom.
Listen to them. With the sails, rig and bottom in the best shape possible, you re almost ready to go racing. But first, you should get the crew out to practice. Practicing WILL make you faster. Practice your roundings.