Quote:
have decided to continue the use of the Spreadbore rather than try to produce the difficult Jets. Jury is still out on the Jet idea anyway.
I have also gone with a 3mm channel for the water to travel to the outlet barb rather than the 2mm on the previous block.
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What is 'spread bore'? I take it from the following comments you're not using any jet~tubes or even a jet~plate?. I'm not flaming but I find the ''WW performance'' quote pretty hard to believe if you're not using any impingment technique whatsoever. Did you test the M3 and 2BMMC block on the same day?. Same room temps, same~same, ect?...
What do you mean about the "Jury is still out on the Jet idea anyway" comment?...
From what I can see it looks OK for a drill press job, it's a PITA getting the holes lined up I know

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