Re: Air Use Calculations

["Scott L" <diver@chilli.net.au>]

----------
> From: Jon Hylands <hylands@ibm.net>
> To: personal_submersibles@psubs.org
> Subject: Re: Air Use Calculations
> Date: Saturday, October 30, 1999 12:40 PM
> 
> On Sat, 30 Oct 1999 10:41:42 +1000, "Scott L" <diver@chilli.net.au>
wrote:
> 
> > Chris, do you mean you are not going to have anything to add Oxygen and
> > scrub CO2? I dont think it would have much time underwater ;)
> 
> The guy who built the VASH used to cruise around on the surface (with the
> canopy sealed) for about 45 minutes before he started feeling dizzy.
That's
> a really small volume of air he was breathing.
> 

Sounds kinda like Russian Roulette but using two guns.

Scott

> The trick is to try it a few times with the sub in your garage, with
> someone standing outside watching you through the portholes. Put a few
CO2
> and O2 meters in, and watch what happens.
> 
> Personally, I think the cost of adding a simple soda scrubber with a fan
> would be insignificant compared to the rest of the sub, and it would give
> you much better life support possibilities...
> 
> Later,
> Jon
> 
> --------------------------------------------------------------
>    Jon Hylands      Jon@huv.com      http://www.huv.com/jon
> 
>   Project: Micro Seeker (Micro Autonomous Underwater Vehicle)
>            http://www.huv.com