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Recently I received very information
about the adventures of the Russian diver Valery Mukhin. Valery achieved to
build his own semiclosed rebreather based on a IDA 59 ! Here you find his
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Dear Mr. Jan Willem Bech;
I would like to tell you about my experience as a
homebuilder rebreather. I have got a IDA-59M one year ago. I have altered
this rebreather to a SCR which I named IDA-59SCR. I have made some dives
with IDA-59SCR in the beginning of May of this year. (2004) The work to
transform the IDA-59M to a IDA-59SCR had some stages. It is reflected in
section of my site devoted to this work:
http://mukhin.vif2.ru/diving/IDA-59SCR.HTM
Unfortunately all site only in Russian. So I shall give a
brief retelling.
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Stage 1. I simply
studied a design of the device and the operation manual.
(here you find pictures of the original configuration)
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You can find the link to the IDA59 manual on
the download page (in Russian only!) |
Stage 2.I have established DIN sockets on cylinders
IDA-59M. In these sockets I have established regulators:
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In the scrubber I used a limy absorber instead of the original
substance called "O3". Instead of trimix I used air. With an additional
hose I have added the oxygen gauge.
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I have tested the rebuild device in a pool:
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Tests have shown the non stable contents of oxygen in an
inhaled mix in such configuration. Therefore I have made the decision on
alteration IDA-59M in SCR.
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Stage 3. IDA-59SCR
From IDA-59M I have left only a scrubber and counterlung:
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I have connected two sockets to counterlung. I have established
nozzle from Dolphin rebreather in one of which:
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The Nitrox is carried in cylinders mounted on the BCD:
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I would like to thank Valery Mukhin for
sending me these pictures of his homemade rig from Russia!
Dive Save and Silent,
regards; Janwillem Bech |
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