emax trans case

[RC-Monster Mike]

I imagine there are some reasonable explanations for this. All machine work has tolerances. R/c, generally, isn't required to be super tight on the tolerances(though the tolerances are very close..say within .005" or so). It would be reasonable to expect a few parts here and there to be on the outside of the tolerance, particularly from two different manufacturers(actually three, counting the Traxxas parts, and 4 if it had a steel idler gear). If the g-maxx case was out .005" one way and the FLM was out the other way, you now have .01" total "out" from the design. It is also reasonable to assume that the designs themselves may be within .01" or so from perfect alignment(which is close enough for most applications). Dull tools, a slight shift in the machine...who knows, really? The key is to make the parts so that they work within these factors. Adding a mm to the case thickness wouldn't make anything sloppy on the parts that fit flawlessly, and would probably free up the "tight" parts as well. I knwo the two trannies I built both had slightly different fit, and I built them both at the same time with the same parts. Remember, Traxxas parts also have tolerances(for example, one of the input shafts spun truer than the other) as well, so the aluminum single speed is a mix of parts from a few different manufacturers.