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 We have run the comparative te sts. They were witnessed by a Catholic priest, a rabbi, a duck and a blond.
Even if that was true (and I'm not saying it's not) the tests were conducted fairly and objectively. The Air Line obtained a competitor's, standard, three diver, twin-head compressor system, with factory hoses and fittings. This was matched with a standard, three diver, Air Line R360XL, single-head system, with factory hoses and fittings. Tes ts were performed with Dwyer flow meters and gauges. Temperatures were measured with a laser thermometer. Conditions were identical in every way and conducted side-by-side and at the same time. (Maybe it was just condensation, but I swear I thought I saw the competitor's unit start to sweat at the beginning of the test)
Tests were performed at the published RPM settings of both. Speeds will fluctuate, but were monitored at the approximate values. The delivered air was measured at the ends of the three standard air hoses and through standard factory hose fittings.
Mesdames et Monsieurs, for your viewing pleasure, allow me to present:
Le Test Scientifique.
"When you're underwater, it's all about AIR!"
An interesting observation: Note that at the lower pressures, 20 and 30 PSI, the competitor's double-head compressor produces as much air as our single-head. But, as the pressures get higher, the single-head takes a dramatic lead.
The logical conclusion:
Although the science isn't exact because of all the va riables underwater, approximately 40 PSI would be required to supply air to a depth of 66 feet. Note the remarkable trend at 40, 50 and 60 PSI.
The proof, coupled with my unfailingly good judgment (notwithstanding wife #1), is that the XL single is equal to, or outperforms the competitor's double----period. And, as an after word: the competitor does not have a---- shall we say, replica of the XL.
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