How do you make salling boats fast?

Does fluid friction move a submarine through water? What is a hatch on submarine? What should boat operators have on board? What did Sir Christopher Cockerell invent? What is recommended as part of the annual maintenance program for a gasoline-powered boat? What should be taken into consideration when determining a safe boat speed? What year is evenrude model 50573b serial number e006027? What spark plug for 1971 Johnson 25 hp? What does a 1957 Johnson 7.5 hp outboard motor weigh? What was the most famous U-boat? What is the best way to clean the hull of your pleasure craft to protect the environment? Why do some boats ride through the water and some boats ride on top? What is the years of and mercury 4.5 with the serial number 7092398? What is the name of Gilbert gottfried's boat? What is a viking boat draft? How many people are needed to sail a 46' sailboat? How to Change impeller on 25 hp 2005 mercury outboard motor? How much hp engine is required to run 15 hp electric motor? How does the shape of a boat's hull affect its speed? How do most anchors hold a recreational boat in placeHow do most anchors hold a recreational boat in place?