the cost of dpv's is a bit of a problem,well for me anyway I think I can "make" one cheaper???
a/ battery powered??
b/air-driven maybe something that could attach to a dive cylinder valve and be secured around the neck/collar of the cylinder???
compressed air driven
c/ nuclear reactor,fossil fuel,umbilical solar or something else equally likely to succeed.
so any ideas would be welcome but please no silly ones!!!
cheers
barrie law
http://www.divertec.net