Lee Bell wrote:
>
> Angelo Pardinas wrote:
>
> > Anyway, thanks for all the info. What I'll do now is calculate the
> > exact number of seconds it would take me to ascend 1 meter (Singapore is a
> > "metric" country) ...
>
> As are so many of the more sane parts of this world we live in.  Those I
> know who prefer meters to feet use, I believe, a rate of 10 meters per
> minute which works out to pretty much the same thing.

I agree with Lee on the "old school" 20 meters/minute (60 ft/minute) by
not ascending faster than your bubbles.  In either case, if you're
passing your bubbles you're going too damn fast!  At least that is what
I was taught (when the acceptable rate was 20m/min).

Jeff