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Originally Posted by BillA
indeed
did you get rid of that sholder ?
how did you determine an appropriate ld ratio ?
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Sholder? What sholder? That photo was taken at about 8:00pm. Rest assured that by midnight the sholder was gone! The whole endevor went badly. No drill press, It's burried under "moving stuff" from home renovation. I got a proto done, but it may be leaky...skipped the o-rings, just goobered it up with some RTV. Spent too much time polishing machined clear plastic..in order to be able to see what's going on inside.
ID ratio? I pulled it out of my ass. 1/2" inlet, 1/2" outlet1/2" = 1-1/2" "racetrack", 1" cavity depth (where the sholder was) . The thought is to keep the radius as small as practable...higher forces. less work prototyping and testing (for the 1st-off, gotta learn how to make these) When I get this one finished I have to test it. I was thinging of a simple loop with a 1048, valve and air bleeder..hence clear top to see what's going on inside. Then I can start playing around with "ratios". But of course the 1st off is going to work perfectly!
You seem to think that the bottom of the cavity is important (cone). I think the top wii be the key...how to get the air out and the water in.
All this is coming from some playing around I did with a 3gpm Iwaki and a small, round res. The air didn't come out, it just swirled around in a cyclone and was sucked back out the discharge.