Boat Lift Improvements

Hey, in my engineering class my group is working to make a boat lift that is designed specifically for catamarans. We have a short survey we made to find out what features are most wanted by people who own these boats. If you can fill it out, it would be greatly appreciated!
https://docs.google.com/spreadsheet/viewform?formkey=dENzNjZ2T281dnY4OG9BMFR6cHgzZVE6MQ#gid=0
.....ole, getting a little old now, u need to respond to your previous posts..... bomb