CMF Fundamentals
	Dan Dunfee wrote a nice article about Sonic orifices and Constant Mass flow systems. If you plan to build a Manual Closed Circuit Rebreather (MCCR), or rebuild your semiclosed rebreather to function as a closed circuit system, please read this information carefully! I would like to thank Dan sharing this information with us!			updated 26 may 2010
Related pages: http://www.therebreathersite.nl/SemiClosed%20Rebreathers/UK/divex_sls_mk_iv.htm http://www.therebreathersite.nl/01_Informative/mccr_in_depth.htm http://www.therebreathersite.nl/01_Informative/gas_flow_through_an_orifice.htm http://www.therebreathersite.nl/01_Informative/how_dolphins_work.htm http://www.therebreathersite.nl/01_Informative/kiss_valves.htm
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