Thread: Water cooling system tanks
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04-11-2015 #1
Thanks for the tips. Great I'll use a simple tupperware box then..
I think I'll buy a cheap 120mm aluminium chinese no name radiator for it then.
Am I right to assume that the cooling system inside the spindle will be aluminium? Hence it's better to keep the rad and connections aluminium too for anti corrosion?
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04-11-2015 #2
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05-01-2016 #3
... with regards to fittings... should I be looking for aluminium fittings too? As they appear to be hiding from me at present.. what does everyone else do?
Do you just go with nickel plated / chrome plated brass fittings and make sure your coolant has some anti corrosion additives?
Or plastic ones perhaps?
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05-01-2016 #4
I presume you can just use glycol based car antifreeze as a corrosion inhibitor for aluminium systems. I hope so as I have got the best part of 5L left over from the days when you changed coolant every year.
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06-01-2016 #6
I was given a 120mm radiator from a computer cooler which had a seized pump. The liquid inside the sealed system seemed to be pure ethylene glycol. Glycol has a better heat transfer than water (they used to use it for cooling Spitfire engines) and as I have 4L of undiluted antifreeze, I was thinking of using that, if it isn't too viscous for the pump to handle. The radiator has rubber hoses fitted, and I have plenty of 8mm pipe and pneumatic push-in fittings. It'll be a long time before I get to fitting the cooling system to my machine, which is at the plans done and steel bought stage. Now I just need my wife to stop finding me jobs to do, so I can get on with the build in peace.
Cheers,
Rob
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