Homebrew PCBs

Hi-
Thanks for the link, they have several:
*Low Cost PCB Etching System(416ES) 
<http://www.web-tronics.com/lowcospcbets.html>  - no heater
**LOW COST ETCHING SYSTEM w AGITATOR & HEATER (ET10) 
<http://www.web-tronics.com/lowcosetsysw.html> -- looks like best one
**Low Cost Etching Tank System w Agitator & Heater(12-700) 
<http://www.web-tronics.com/lowcosettans.html>  - similar to last
*David


Phil wrote:

>That's not a bad solution at all.  What's the capacity of the tank 
>(both in terms of etchant and size of PCB)?  I couldn't find anything 
>that held 1 L (or quart), would etch a 6"X6" board and was at least 
>8" deep (to hold the tank heater).  They usually held 2 or 4 quarts 
>and I didn't want to have that much etchant at a time.   
>
>For me, that forced the inside dimensions of the liquid volume to be 
>8x7x1.25.  The heater and air tube displaces enough to take it under 
>a liter.
>
>By the way, Circuit Specialists has a kit that looks good for $40.  
>It includes the tank, heater and air pump.  http://www.web-
>tronics.com/lowcosetsysw.html  If I were to do it over, I'd probably 
>buy it instead of make my own.  I spent about $30 on mine and took a 
>few hours to do it.  I dont believe their 4 minute etch time claim 
>though...
>
>
>--- In Homebrew_PCBs@yahoogroups.com, steve muirfield 
><smuifield@y...> wrote:
>  
>
>>HI all
>>ETCH TANK'S
>>I have used corn flaks containers from the hard ware store these 
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>have a 
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>>sealed lid to keep continence dry made of white polythene and are 
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>made by tupper ware they make 
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>>good vertical tanks for etching and developing
>>AIR AGITATION
>>A fish tank air pump feeding a plastic pipe with small holes 
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>drilled 
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>>in it for air agitation  
>>As the fish tank air blocks quickly get blocked up
>>PCB HOLDERS
>>plastic netting is easy cut with seisers and folded in half will 
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>make a 
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>>good support for dipping Bord's in the etch Barth if you weave 
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>plastic 
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>>rod's[large plastic knitting needles] in the plastic netting you 
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>have 
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>>support Handel's to lift in and out of tank.
>>TANK HEATING
>>fish tank Emerson heater to keep tempter constant most have 
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>adjustable thermostat for temptcher control 
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>> 
>>Jest my two pence worth 
>>Captin vidio
>>Fist post to grope been reading for a while  
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