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>> If the smaller fin puts less water in the wrong direction, less surface >area >> is needed. Don, give it up, you don't have any idea about what you are talking about. Where do you come up with this stuff? -----Original Message----- From: "Don Burke"<donburke56@ne*.ne*> To: "terry michael"<OEA51@go*.co*>, techdiver@aquanaut.com Date: Tue Aug 07 10:42:40 PDT 2001 Subject: Re: Split fins >If I want shit from you, I'll floss your teeth. > >----- Original Message ----- >From: terry michael <OEA51@go*.co*> >To: <techdiver@aquanaut.com> >Sent: 06 August, 2001 11:38 >Subject: Split fins > > >> Don, You may be lost the "Pampers" are over in the "baby" section along >with the "propeller" fins and other "baby" toys. Maybe you should find >yourself a good shower cap with a little fringe around the sides to critique >instead...:-) thanks >> >> ............... >> >> From: Joe Citelli <joe@po*.co*> >> >> > How could a fin with less surface area and rigidity possibly generate >more >> > thrust in the water than a fin with greater surface area and rigidity? >> >> If the smaller fin puts less water in the wrong direction, less surface >area >> is needed. >> >> If the flex in a fin causes more water to go straight back, the flex is a >> good thing. >> >> An extension of your argument is the use of a 4 by 8 sheet of plywood on >> each foot. Since that doesn't seem to work very well, perhaps the >> hydrodynamic problem is a bit more involved than just surface area and >> rigidity. >> >> > People like them because they are easy to kick with. >> >> Perhaps >> >> > But you travel less distance. >> >> That isn't how I interpret the test results I have seen. >> >> > Personally, I'd rather kick hard once to cover a given distance >> > than kick easy three times. >> >> I doubt the ratio is that high. In any case, isn't the figure of merit >gas >> consumption for distance traveled? >> >> > The manufacturers simply had nothing to sell so they made this up. >> >> Perhaps, although the test results do look encouraging. >> >> > Funny how people that buy this kind of stuff typically keep going back >to >> the >> > stuff in their garage that works. >> >> I'm watching all of this. They have my attention. Perhaps one day >they'll >> get my money. >> >> The entanglement issue needs to be addressed. I touch my line with a fin >at >> least once a dive and don't need anything else to wrap the line around. >> >> I saw a fin with vents down the center in one of the magazines and perhaps >> that is the wave of the future. >> >> The best performers seem to have the blade bent downward in a sort of >> "ballerina set." It would not surprise me to find that much improvement >> comes from that. >> >> Don Burke >> Chesapeake, Virginia >> >> >> ___________________________________________________ >> GO.com Mail >> Get Your Free, Private E-mail at http://mail.go.com >> >> >> -- >> Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. >> Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. >> > > >---------------------------------------------------- >NetZero Platinum >Sign Up Today - Only $9.95 per month! >http://my.netzero.net/s/signup?r=platinum&refcd=PT97 ___________________________________________________ GO.com Mail Get Your Free, Private E-mail at http://mail.go.com -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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