Quote:
Originally Posted by Stretch
The rest of the screws in the original car were 4-40 cap head oil-blacked steel - they rusted.
Anodising won't help with electrolytic corrosion, so I'm guessing weight was the thing. Remember: some drivers machined the chassis in an effort to further remove weight, and then there were any number of carbon fibre/honeycomb sandwich chassis to take it even further.
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I don't think manufacturers of RC cars are concerned with galvanic or electrolytic corrosion, but anodising will help as it breaks the circuit due to it being non conductive.
I think you're right though, weight would have been the main reason.