I've used them in robot arm prototypes, but they're basically 3x as big as regular cylinders (1.5x for the rolling diaphragm overhead, and another 2x because yo

I've used them in robot arm prototypes, but they're basically 3x as big as regular cylinders (1.5x for the rolling diaphragm overhead, and another 2x because you need two single-acting cylinders instead of a double-acting one).