Arching fountain...

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Arching fountain...

Post  Adman on Mon Apr 13, 2009 3:24 pm

My dream project is to create an static (no cutting/jumping) arch that flows up and over a walkway that leads to my front door. It may be unrealistic, but that's why I call it a "dream" project. Smile

Do you see any problems with a very vertical arch-shaped stream? The steam would travel only about 5-6 feet horizontally, and probably 7-8 feet at its highest point. Is there some magic angle that a steam will start to fall apart if it's too vertical?

What I've discovered with my 4" tube fountain is that, in order to increase steam distance, I need to turn the water pressure higher. And if the water pressure gets too high, the laminar-ness of the stream degrades quite quickly. It's very good when the stream only shoots a few horizontal feet,but after that, it all goes to hell.

Is it possible to do what I want to do with 4" tubing? Or will I necessarily need to move to bigger tubing in order to slow the water down sufficiently?

I appreciate any advice you may have! If not, I'll just keep stumbling around myself.

Adman

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Re: Arching fountain...

Post  John on Mon Apr 13, 2009 5:06 pm

I'm not going to say that it's impossible, because I know that there are a some improvement that I could have done with the 4" in order to get that stream to be more laminar, but it will be tough. Essentially you are looking at a 6' x 6' arc (or there abouts) in order to get the height and distance that you'd need. That means that you will probably need about 20 gpm, or maybe more. I know that the professional nozzles don't recommend any more than 20 gpm. On my 4" nozzle I was only able to get about a 3' x 3' arc. Which is probably like 8 gpm.
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Re: Arching fountain...

Post  John on Mon Apr 13, 2009 9:06 pm

I was looking for this link for my post earlier, but couldn't find it.

That shows the professional OASE living water fountain, and it possible heights and distances. Remember that it is in meters.
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Re: Arching fountain...

Post  Adman on Mon Apr 13, 2009 9:30 pm

Thanks... but the labels on the axes look like "ft" to me... I read that as feet... right?

Interesting data.

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Re: Arching fountain...

Post  John on Mon Apr 13, 2009 9:33 pm

oops, you are right. The one I saw eariler was in meters. That one clearly isn't. Anyway you get the point. Those OASE nozzles are pretty big too. I think they are about 18" in length.
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