Quote:
Originally Posted by Ninja_Bait
I'll only answer the ones I have experience with.
The four 1/4-20 bolts that hold the box together can also be used to face mount. Otherwise, you're making your own brackets and holes.
Pneumatic leads to wasted weight if you don't have other pneumatic systems. You need at least an air tank, a relay module, valves and a solenoid in addition to the cylinders, whereas you have just the two servos in the alternate setup. You also run the (reasonably slight) risk of running out of air mid-match.
We've only used servo shifting recently because we haven't used any pneumatic systems in the last few years, and it's worked fine for us. The servos didn't break and we shifted smoothly enough. SuperNerd is right that the pneumatic shifting is faster and firmer, but I don't think that's enough reason to warrant building a whole pneumatics system just for shifting.
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I forgot to mention that!
Yeah, Ninja_Bait's right. Unless you're using pneumatics in other places, then I don't suggest using pneumatic shifting. While it is more on the fly, the weight used is much needed elsewhere. So unless you're already using pneumatics for a few things already, use servos. They may not be as fast, but shave a lot of your weight compared to pneumatics.
