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Does anyone have an old, electric, analog alarm clock you no longer want? (It doesn't have to keep accurate time, have all its hands, or have a functioning alarm -- I just need a working clock motor. Actually, if there is something else wrong with it, I won't feel as bad about dismantling it.)
( Why )(Yes, I know I don't need Another Project. This is an old project I've had a new idea on.)
[*] A float controlling a cut-off switch would also work, yes. If a whole pump of a suitable size falls into my hands, I'll go that way.
[**] Or I could use a proximity sensor, maybe a pressure switch under a mat, to turn the pump on only when Perrine comes near the fountain, but I think she'd react better to one that just runs all the time.
[***] No, I don't know whether it'll have enough torque. I hope so, since I don't have to move very much water, a 3D printed screw will have less mass (and be more effective) than the improvised screw I started trying to make, and an Archimedes screw pump turns relatively slowly. So even though the alarm clock motor is only built to be able to move clock hands around, I'm hoping it'll have enough extra oomph beyond that for me to get away with using it. This will be an experiment.