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Canadian Daves JustKDX
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[QUOTE="Lutz, post: 754733, member: 25116"] Hey everybody, I've added some links in my first post to some of the most complete threads on this topic. FLBusa and skipro3, Thanks for being active on this thread; I think you've covered some issues that haven't been much discussed previously. As far as materials go, it is true that the strongest of aluminums rival some steels for strength, but the best steels are stronger. However, there are a myriad of other issues to be considered - such as what happens under fatigue (repeated loading and unloading), corrosion, etc. Within any given family of materials alone, there is such a wide range of mechanical and chemical properties that generalizations are generally not safe. There is really a lot of engineering that should go into changing the material of any given part - long story short, for most people that might do this mod, it is probably best to use the stock KDX stem with spacers. Even though I am a Mechanical Engineer (well...almost - I don't actually get the paper that says so until May) I don't feel comfortable just saying that by modifying wall thickness, I can use aluminum for the stem. Yes, a new stem could be made out of aluminum, but without even knowing the what grade of aluminum the first design was, it is a bit of a crapshoot to make a new part with the same strength. Sure, I could just use the strongest alloy available, and hope to err on the side of safety, but that's not a wise way to do things. I do plan to modify the KX axle or make a new axle (and maybe stem) for my swap, but you can bet that I'm going to be doing a lot of homework to make sure it's going to be safe. I'll post what I figure out when I get it figured - just be warned not to take anything I say as gospel. [/QUOTE]
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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
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