On 19 January, 2015 - Davide DB wrote: > On Mon, Jan 19, 2015 at 1:02 PM, Anton Lundin <[email protected]> wrote: > > > > Hmm... As i read http://www.halcyon.net/RB80 it says > > "8:1 ratio provides substantial gas extension" > > > > Is that old info or should i read that in some other way? > > Counterlung ratio is 1:10, 8:1 is the real expected ratio in water due > to mask clearing, ascent flush... > > http://www.frogkick.nl/files/michael_waldbrenner_rb80_rebreather.pdf (page > 10). > > This is another article form the RB 2000 inventor Dr. Reinhard Buchaly: > > http://www.diritalia.it/images/pdf/quest/buchaly_rb80.pdf > > Unfortunately it's in Italian but you can easily translate with google: > > La ventilazione di questo rebreather semi chiuso a volume costante ha > una ratio di 1:10 (page 2) > La resa effettiva รจ di 1:8. Lo scarico del corrugato, profili yo-yo > che frequentemente si trovano nelle grotte e l'espirazione dal naso > non permettono di raggiungere la ratio ideale. (page 3) > > I was taught to use factory counterlung ratio. >
Awesome! Thanks for clearing that up. //Anton -- Anton Lundin +46702-161604 _______________________________________________ subsurface mailing list [email protected] http://lists.subsurface-divelog.org/cgi-bin/mailman/listinfo/subsurface
