Exhaust recycling and O2 sensor for submarine use

[David Cooley]

At 08:00 AM 8/3/00, you wrote:

>Hi folks,
>         I am trying to build a submarine and although I wish to use DC
>motors for propulsion I am also looking at a small 4 stroke engine.  Does
>anyone have pointers to info on exhaust recycling or on minimizing air use.
>
>I am also interested in any air quality monitoring ideas that you might
>have.  Sub volume is small at about 10 cubic meters, would an automotive O2
>sensor have a fast response time?

Andrew,
See if you can find any info on what the navy uses for "air scrubbers" in 
the sub's.  They can stay submerged for months without surfacing... Even 
the old Diesel powered subs could stay down a long time.
As to Oxygen monitoring, try Mine Safety Appliances (MSA).  they sell 
oxygen monitoring equipment for breathing air... A vehicles O2 sensor would 
always read extremely low (0.0-0.1 volts) even in atmosphere low enough in 
oxygen that you'd asphyxiate.

===========================================================
David Cooley N5XMT Internet: N5XMT at triad.rr.com
Packet: N5XMT at KQ4LO.#INT.NC.USA.NA T.A.P.R. Member #7068
We are Borg... Prepare to be assimilated!
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