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09.10.2009, 12:42 PM
Our chassis kits use 7075-T6 aluminum - I use 6061 on the prototypes, though. Truth is, either works as good as the other on a chassis in my experience - 7075 is about 1/3 stronger, 1/3 heavier and much more expensive. The design is more important than 6061 vs 7075 on a chassis plate really, but 7075 is "premium" or "exotic" and makes people all warm and fuzzy, so this is what we use. :)
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