Perpetual motion or gravitywheel or infinity engine.

I was thinking about whether Bessler's wheel was a perpetual motion machine and/or a gravitywheel.  We routinely describe Bessler's wheel as a Perpetual Motion machine but I have always argued against the term because, back in Bessler's day, they defined it as a machine which would run with no external energy source, which is obviously impossible.  But when you consider the words themselves, out of context, there is some validity in describing his wheel as a Perpetual Motion machine.

Perpetual Motion means motion of some kind which is never ending. This definition is open to interpretation; it can also mean that the energy source is always available, so the machine keeps running. So a perpetual motion machine would run for ever as long as the materials of which is made did not wear out or break down - and its energy source was always present - a description straight from Bessler.

A theoretical perpetual motion machine would run for ever, or as buzz lightyear said, to infinity and beyond! If there was a way of continually topping up an auto's fuel tank while its engine was running, that would also seem to comply with the definition of a perpetual motion machine, i.e. as long as its parts last and it has enough fuel to continue running.

Talking of infinity, the symbol for infinity refers to something without any limit, and is a concept relevant in a number of fields, predominantly mathematics and physics. The English word infinity derives from the Latin, infinitas, which can be translated as unboundedness, itself derived from the Greek word apeiros, meaning endless.  So perpetual and infinity both mean endless. Endless also means extending indefinitely which is what we do when we continually top up the fuel tank to keep the auto engine turning, or continuously supply electricity to electric machines.

So Bessler's machine was a perpetual motion machine as long as it had access to an unending supply of energy - which I believe was the force of gravity. The infinity symbol, called a lemniscate, see above, looks like the figure eight lying on its side. Coincidentally I have argued on one of  my websites that the shape seems to relate to the movements of a person on a swing, demonstrating parametric oscillation.  What a marvellous coincidence if this shape should prove to be representative of the action of the weights within Bessler's wheel - an infinity symbold for an infinitly moving wheel.

So we can conclude that both terms, perpetual motion and gravitywheel, can apply; perpetual motion is endless if it has an energy supply and in Bessler case the energy was the force of gravity.

JC

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