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No one is questioning basic physics. However, if it takes 1/2 hour in water to cool your tank and 4 hours in air, and they fill your tank in 5 minutes and then take it out of the water, then the water isn't doing much. I'm 100% sure that your tank cools faster in water. The question is if it has any effect in the real world situation of getting a fill. Cheers. Mike Rodriguez wrote: ~ >At 09:19 AM 10/20/2000 CDT, Todd Baldi wrote: > >Hi Todd, > >>I was told a Professional Scuba Inspector trainer and a DOT Hydrostatic >>instructor that the water doesn't do anything other than make you feel like >>it gets the tanks cooler quicker. > >It's hard to believe this guy told you that. I know a little bit >about physics and can tell you without question that he's totally >wrong. Water will conduct heat away from your tanks *much* faster >than air (assuming the water is cooler than the tanks, of course). >Even without the physics to back this up, it's intuitively true as >anyone can tell you who's spent time shivering in water who in air >at the same temperature would be perfectly comfortable. > >-Mike Rodriguez ><mikey@mi*.ne*> >http://www.mikey.net/aue >Pn(x) = (1/(2^n)n!)[d/dx]^n(x^2 - 1)^n -- Paul B. -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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