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Originally Posted by Les
Do not argue with those numbers.
Possibly nozzle design has a greater influence than I envisaged.
On pure area consideration would not have put above "1.35x"
Hat-off to your improved nozzle design
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Both Cascade and White Water really did have pretty poorly done jet/nozzle inlets. A LOT of wasted pressure drop there. Cascade was also a lot more restricted after the jets as well. A fair amount of gain was found there too. This is also seen with the Cascade SS vs the normal Cascade, where the large bulk of the SS's lower pressure drop came from improving the ease with which the water could exit the cups. At a machining level the difference is positively tiny, being barely perceptible with the naked eye, but it's clear that the Cascade was needlessly hampering cup discharge. The Storm design also built on those lessons.