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Cathar · 01-14-2003, 12:27 AM

I'm very fluid in both imperial and metric. Result of being brought up by a father schooled in imperial just as metric was introduced.

Here goes:

Not sure on your separations. You want the jets to be about 5/32" - 1/4" high from the surface they're hitting, and you want them to be no closer than 5/32" to each other from edge to edge (not middle to middle) to avoid cross-interference. For an AthlonXP sized die, that pretty much limits you to a 2x2 grid of circular jets of 1/8" in diameter, or a 3x3 grid of circular jets of 5/64" in diameter for common pump use (<7' head height). For higher pressure pumps (>16' head) drop the jet diameters to 75% of that stated. Base-plate should be about 5/64" thick (in copper).

01-14-2003, 12:27 AM	#5
Cathar Thermophile Join Date: Sep 2002 Location: Melbourne, Australia Posts: 2,538	I'm very fluid in both imperial and metric. Result of being brought up by a father schooled in imperial just as metric was introduced. Here goes: Not sure on your separations. You want the jets to be about 5/32" - 1/4" high from the surface they're hitting, and you want them to be no closer than 5/32" to each other from edge to edge (not middle to middle) to avoid cross-interference. For an AthlonXP sized die, that pretty much limits you to a 2x2 grid of circular jets of 1/8" in diameter, or a 3x3 grid of circular jets of 5/64" in diameter for common pump use (<7' head height). For higher pressure pumps (>16' head) drop the jet diameters to 75% of that stated. Base-plate should be about 5/64" thick (in copper).