NatnLabs

I have a 50Kv electrostatic voltmeter lying about with nothing to do.  It looks like this: It has an awesome 4-5 inch long insulator on the back for the input connection.  Inside its basically a balance scale that reads the force of attraction between two plates and is mostly empty space inside to air gap [...]

I am working on a animatronics type project and needed to find just the right type of servo.   After a bit of web stumbling I found ServoDatabase.com which helped me find just the right one!