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By way of introduction, this is a home page involving rebreather (RB) diving here in the Western Pacific waters of sunny Okinawa. My intention is primarily concerned in showing a series of steps involved with the assembly of a greatly modified Russian IDA-72 Semi-Closed Circuit Rebreather (SCCR), originally designed to be fed by an umbilical for surface-supplied or saturation diving using Heliox. The original unit, obtained from Dave Sutton, has now been converted into a true closed circuit rebreather (CCR) using trimix gases. The rig has been converted into a KISS diving unit using Gordon Smith's KISS Valve. It shoud be pointed out that the majority of the modifications seen on these pages are from those suggested by Dave Sutton.
If you're new to rebreathers I'd suggest you take a look at the
rebreather disclaimer link.
At some time in the future I'd like to feature photos as well as additional information with other rebreather divers and systems here in Okinawan waters.
There are currently several first rate web sites which are providing RB home builders with a wealth of utility and information. See this link for at least some of these resources.
If you're not acquainted with Okinawa, I've included a short physical and climatic
description of Okinawa and its parental island group, the Ryukyus Archipelago, as well as a
weather map viewer showing storms anywhere in the world. Also, a JMA (Japanese Meteorological Agency) site which allows you to view a current satellite weather map,
I've also included a section dealing with some environmental problems associated with the local marine environment in this part of the Western Pacific.
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Most recent revision: 15 Feb, 2008
Copyright © 2008 Robert F. Bolland
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