Different venturi design.

[Julian]

I've seen several variations on venturies and ejectors, but this one appears not to have a throat ...





http://www.thingiverse.com/thing:236096

[Jamesrl]

That design is commonly employed in the aeration fish ponds, sufficient vacuum to draw air but not much else.

[Julian]

That design is commonly employed in the aeration fish ponds, sufficient vacuum to draw air but not much else.

Thanks Jim ... I'd never seen it before.

[Jamesrl]

No probs, here to help.