IDA-71

Highlights of the Russian Navy Rebreather IDA-71U

    • fully closed rebreather

    • works with either one or two gases (pure oxygen / 40 % nitrox)

    • gases are stored in 2 seperate 1 liter tanks

    • two scrubber canisters

    • gas switch on ascent and descent is done automatically ,triggered by a depth sensor,including flushing of the loop

    • gas-switch point is adjustable

    • pure mechanical apparatus (no batteries,no electronics)

    • nitrox unit is detachable,the rebreather is then usable as a pure O2 unit

    • maximum depth 40 meter using nitrox and o2 ,maximum duration 1 hour

    • maximum divetime on pure oxygen 3.5 hours

    • weight is 18 kg when both scrubbers are filled

    • scrubber material can be DRAEGERSORB or SOFNOLIME

    • housing is made of lightweight aluminium

    • comes with a fullface-mask

Didi at Lake Zurich

Didi at Lake Zurich
    • I have removed the original harness and attached a DIVE RITE Transpac using two bolts and butterflynuts through holes in the rebreather-housing

    • On the enlarged view you can see the selfmade mouthpiece adapter for using a normal regualtor mouth piece instead of the original fullface mask

IDA 71 Cover open - from backside

Inside
    • The orange part is the counterlung

    • The leftmost blue and the grey part are the two srubber canisters

    • The rightmost blue part is the 1 liter pure oxygen tank with the first stage regulator attached

    • The bottom tank is a 2 liter air tank for bailout and inflation,which i built in by myself

    • On the enlarged view you can see the selfmade mouthpiece adapter for using a normal regulator mouth piece instead of the original fullface mask

Left: bailout system / Center: rebreather open / Right: nitrox unit

Tanks
    • On the right side is the 1 liter nitrox tank with the the first stage regulator attached.This part can be attached to a d-ring at the hip

    • On the left side is the selfmade bailout/inflation system (now removed from the housing for filling)

Didi ready to GO !

Didi ready to GO

Here you see the nitrox unit attached to d-ring at the hip and the position of the bailout regulator

Fredy ready to GO !

Fredy ready to GO

Here you see the nitrox unit attached to d-ring at the hip and the position of the bailout regulator

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