Hi again
An otherwise bright non-diving friend of mine, was slightly thrown off track by the use of the term "Oxygen Partial Pressure" at the end of Mark 3.
Since I failed to convince him of taking the CCR-course, I have now rewritten that section.
As for continuing the development of the Bucket Rebreather - towards an eCCR - I fear it I will be forced to make design choices that will favour particular commercial units and not others.
And we all know how popular that is on this forum
jsevland