Homebrew PCBs

On Wed, 21 Jul 2004 11:30:08 -0000, cruizzer77 <atlantis7@...> wrote:

> Hi,
>
> I'm currently building my own spray etcher of the rotating
> perforated tube type. The most difficult problem is to get the fluid
> up that tube. Does anyone know what kind of mechanism commercial
> spray etchers like the ones from Bungard use?
>
> Regards
> Martin
>

I think they are just open at the bottom.

My idea was to use a propeller, like a small PC fan wheel
or a model building prop, or maybe out of a hairdryer.
Mount it on the bottom and you are bound to get a lot of fluid
up the tube, even if the speed is lower.


ST