The outside motion of a steam locomotive, the 2 long ones (The coupling rod and the con rod) are simple enough, except for the smaller one:
This is the crosshead, it’s what goes in and out of the engine’s cylinder, some are at 90 degree angles but most, like this, are at an odd angle. It’s simple enough to animate one if it’s 90 degrees along one of the axis, but I’ve found it absolutely irritating to try and animate one like this.
To do so I’ve had to animate it one frame at a time, creating new Loc keyframes each time, or as I’ve discovered going for LocRot for the conrod, which gives it it’s animation, but for some reason screws up it’s timing and positioning in the animation.
I’ve never seen anyone ask about this kind of thing before and I’m stumped, is there an easier way to animate something like this?