Rodney Nairne <rnairne@sy*.DI*.oz*.au*> wrote (Subject: Re: Billy B Mix):- > The free diving fins used by Billy ("what it takes to go below 70mtrs") > Deans are in fact designed specifically for deep diving. Certain individuals > use them to free dive (no tanks, just fins and wet suit) "below 70mtrs". > However, they are less than efficient at propelling a [lot of drag-causing > equipment] around. What is the difference in shape between speed fins and power fins?
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