I am trying to design a small machine that lowers a raised weight slowly. For example if i raise the weight by 10 metres and allowed there it should start descending at 0.1m/hour. Initially i thought of a windup mechanism but i dont know how to control the rate of descent with a windup...
Nice idea. However, i dont have the luxury of something periodic happening like a pendulum. Am curious how do timed windup switches like the ones in the basement work without any electricity? That will probably provide me a pointer for design.
I am thinking of a device, i dont know if a similar one exists already but this is what it is supposed to do.
1. compress(or extend) a spring by way of some mechanical force like turning a wheel(this wheel could very well be that of a bicyle)
2. Once the spring is compressed(or...