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Originally Posted by Cathar
Jet orifice area for the Storm is ~53% that of the Cascade that Phaestus tested. As you can see for Phaestus, peak flow for the Storm in a full system was ~1.72gpm, and for the Cascade ~1.98gpm, or ~87% of the peak flow rate. 0.87 / 0.53 = 1.64, meaning that the Storm had 1.64x the jet velocity of the Cascade for Phaestus.
Maybe "typically 1.6x" would be a better number to quote to be safer.
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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