Homebrew PCBs

Quoth Adam Seychell at 2008-04-27 07:58...
> Interesting. I wonder if this concept could be made to work in a 
> vertical tank. The PCB could be mounted to an plastic shaft that is 
> attached to some cam assembly at moderate speed. The circular 
> displacement might only be several mm , but the agitation could prove to 
> be uniform and vigorous. I assume any mechanical method would add a lot 
> of complexity, machining up bushes, wheels, brackets, et.

How about this: consider a 'normal' bubble etch tank.  Rather than 
having two clips on a board attached to something at the top of the 
tank, have one clip attached as usual.  The second clip is attached via 
a length of fishing line to an arm mounted on a motor.  By using a 
pulley system, the motor wouldn't necessarily need to be too close to 
the tank.

Microwave oven turntable motor?

Cheers

M

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Matthew Smith
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