|MadSci Network: Engineering|
When racing yachts sailors tend to lock the propeller in gear because they believe that this will be faster than allowing the propeller to freewheel. I myself sail and this has caused many an argument onboard the boat and has now degenerated into a war of emails. We've had views from graduate engineers, physicists and mathematicians, an ex-airline pilot and physics teacher as well as various sailors. We've managed to aquire various theories and even an Excel graph or two but no-one has managed to conclusively answer the question in an easy to understand manner. You're out last hope!!
Re: When a yacht is sailing, will it go faster if the propeller can freewheel?
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