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Unread 01-16-2003, 02:50 PM   #16
jaydee
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Join Date: Dec 2001
Location: Spokane WA
Posts: 6,506
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Quote:
Originally posted by myv65
Lots of little holes that equal the same cross section area as a single bigger hole will have much higher head loss for a given flow. This is the other consideration along side that which Cathar has already mentioned.

You may also try cutting those holes at an angle off vertical such that each jet is already starting to turn in the desired direction towards its exit. If you manage to get this right, you can reduce total head loss while also reducing interference from adjacent jets.

The only real downside I see is that you don't presently have any stiffness other than the thickness of the baseplate. This will limit the minimum thickness you can use. When you get around to optimizing further, you may wish to consider some "struts" to gain the added stiffness available from the top.
I hooked the nozzel up and flow wasn't much an issue but the watter looked the same as if no nozzel was used at all. It just all combined like they said it would above. I think I am going to use more of a jet type nozzel that will increase the volocity over the area. I have a lot of thinking to do about this,

As for the base, REV 2.0 will be 1/4" thick with the oval milled out 1/8" deep. I will then still have the same spacers above making the distance from the bottom of the nozzel 1/4" to the highest spot on the baseplate. Which at the moment is the best I can do with the materials I have. Everything will be bolted to the base using the 6 holes. I will tap the holes in the base to acheive this. I think that should add a lot of strength. The oval will also be much narrower than it is now, probably only 1/2" wide and maybe a slight rounding around the core area. I may cut the modified oval out today in acrylic if I have time.
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