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Eric, The stiffest or second stiffest Esclapez fin is designed to be stiff enough to compensate for the much greater drag of scuba divers. Even their stiffest fin is very flexible, and it is their extreme length that changes the thrust and increases the efficiency. I first saw these Esclapez fins at DEMA this year, and will be getting a few pair to try out soon. They look very much like the Cressi Rondine Garas, but with the multiple stiffnesses, they can be custom picked for the workload. I'll see if I can put a pair on George while he is in full cave gear on an ocean dive(including drysuit), and we'll find out how well they work with maximum drag... Right now, the Cressi Rondine Garas I have are so much faster than normal fins, for a typical single tank scuba set up, that its almost ridiculous. That's why I'm even challenging Navy Seals with this Force Fin Challenge---the freediving fins are the REAL unfair advantage in the efficient fins category. Dan >On Tue, 30 Jan 1996, Dan Volker wrote: > >> Not to spoil your humor Mike, but one of the fastest and most efficient fins >> is the Esclapez brand of freediving fins, and they come in 4 or 5 colors, >> each color representing a different stiffness---most flexible for 8 hour >> long freediving days, and stiffest for highest possible speeds and/or scuba >> with more drag. Even the stiffest is not "stiff" compared to a traditional >> fin, the length changes everything you are used to in a fin. > >Ok, I've seen this debate before, and I don't doubt that freediving fins >work well in the tropics, but how well do they work in a cold water >environment, where you have to deal with the drag of a drysuit? > >-Eric > >-------------------------------------------------------------------------- >Eric Lundquist, Systems Manager ericl@oc*.wa*.ed* (206)543-0594 >School of Oceanography, Box 357940, Univ of Wash, Seattle, WA, USA 98195 >http://www.ocean.washington.edu/people/staff/ericl/ > >-- >Send mail for the `techdiver' mailing list to `techdiver@terra.net'. >Send subscription/archive requests to `techdiver-request@terra.net'. > > Dan Volker SOUTH FLORIDA DIVE JOURNAL "The Internet magazine for Underwater Photography and mpeg Video" http://www.florida.net/scuba/dive 407-683-3592
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