> >Richard Pile wrote: > >... > >While such mechanical > >systems are not immune to malfunction, the probability of mechanical > >malfunction is usually much lower than the probability of electronic > >malfunction (especially for constant mass-flow systems). > >... > > Why do you say "especially for constant mass-flow systems"? Are these > systems more immune to mechanical malfunction than constant volume fraction? The only reason I said that is that I know how constant-mass flow systems work, but I don't know how constant volume fraction systems work...and I didn't want to pre-suppose the latter were necessarily more reliable than electronics. I didn't intend to compare the two non-electronic o2 control systems.... Aloha, Rich deepreef@bi*.bi*.ha*.or*
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