AVR-Chat

I was on Submarines in the Navy. They do compress but that is under a couple hundred feet of water. the compression of the plastic ball, could even be solid, should be small and still produce a measurable upforce with depth.

Brian
--- In AVR-Chat@yahoogroups.com, David VanHorn <microbrix@...> wrote:
>
> On Thu, May 14, 2009 at 11:37 PM, dlc <dlc@...> wrote:
> > Ahem,
> >
> >   Water density is a constant, water _pressure_ increases with depth,
> > and if the ball acts the way my BC does, the air in the plastic ball
> > loses buoyancy as the water depth increases.  But since my BC compresses
> > with depth and the plastic ball probably wouldn't, that might not be so.
> >  These are basics every diver learns.
> 
> So the effect is smaller, and the slope runs the other way, but it still works.
> :)
> 
> Submarines compress, I imagine a plastic ball will too.
> 
> 
> -- 
> There is no computer problem which cannot be solved by proper
> application of a sufficiently large hammer.
>