Quote:
Originally Posted by Waterenthusiast
We should consider the different disciplines if we are to compare Bi-fins and Monofins.
In constant weight i'm pretty sure no one will argue, that the monofin is far more efficient because of the greater accelerations it provides at the surface, when figthing positive buoyancy, and at the bottom, when figthing negative buoyancy.
In dynamic apnea the case is different, there are no buoyancy changes and therefore people tend to choose the monofin for its higher efficiency at greater speed, or stick with bifins mainly because it allows a relaxed swimmimg position with arms at the side when swimmimg quite slowly.
Christophe
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Even in dynamic apnea now bifins must be pretty much out of the question. Dave's 244m dynamic was in a monofin and took 4:02. Given the slower swim speed that's preferred with bifins, you'd be looking at the 4:30+ for a comparable swim.
Monofins do require a lot more technique work to swim well in than bifins though. Price, lack of manouverability, and the fact that they're so much more specialised (not many people use them for spearfishing, for instance) are some other key disadvantages.
