Some thoughts that come to mind from reading you excellent article:
Add some vertical oscillation to the PCB mounting system to overcome the problem of blocked, burred or miss-drilled jets.
Add a short section of hollow centre submerged Archimedes screw to the bottom of the tube to ensure starting.
Malcolm
I don't suffer from insanity I enjoy it!
Mene, mene, tekel, upharsin
The writing is on the wall.
________________________________
From: cunningfellow <
andrewm1973@...>
To:
Homebrew_PCBs@yahoogroups.com Sent: Sunday, September 16, 2012 12:34 AM
Subject: [Homebrew_PCBs] Spray etcher completed
Only took five years
http://www.instructables.com/id/The-Etchinator-low-cost-spray-etcher/Please give any feed back.
I am working on the laser plotter write up now.
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