Quote:
Originally posted by saton472
Iv decided to make my own radiator. I just need some help with the spacing of the fins.if anyd body has some ideas on what the proper spacing of the fins is please tell me.
Also im going to use copper tubing so would there be any problem with using allumminem for the fins. im asking because iv heard a lot about the "battery effect". if any one knows what this is please explain it.
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The battery effect only occurs when dissimilar metals are both in contact with the same pool of water. Having aluminum fins on the outside of your copper pipes will not result in the aluminum being in contact with the water (unless you spring a leak!
).
The problem you are going to face is attaching the aluminum to the copper efficiently (thermally speaking). I don't believe you can solder Al to Cu. I could be wrong....
Bob