Recent projects:

DIY oxygen rebreather

Pendulum type oxygen rebreather

DIY oxygen booster

The home made oxygen booster in action.

DIY oxygen booster - first tests

First testing of the oxygen booster - without casing in order to see the construction.

DIY firefighting liquid - first tests

A first atempt of developement of fully natural firefighting liquid.

DIY oxygen rebreather

A first working modification of BCD into the oxygen rebreather.