I have long held the belief that the principle which drives Bessler's wheel will prove to derive from the action of parametric oscillation. The swing, otherwise known as a pendulum, is an extremely sensitive device and perhaps the following facts will demonstrate its power and inspire a solution?

Consider the following. The clock tower soon to be known as the Elizabeth Tower in a tribute to Queen Elizabeth in her Diamond Jubilee year, but currently known as 'Big Ben' after the bell which sounds the hours, is 316 feet tall. It holds the largest four-faced chiming clock in the world and is the third-tallest free-standing clock tower.

The four clock dials are 180 feet above ground and each is 23 feet in diameter.

The hour hands each weigh 661 pounds are almost nine feet long and the minute hands are 14 feet long, but they weigh only 220 pounds, being made of a lighter material.

The clock is regulated by a pendulum which is 13 feet long, weighs 660 pounds (over a third of a ton) and beats every 2 seconds.

On top of the pendulum bob is a small stack of old penny coins; these are to adjust the time of the clock. Adding just one coin has the effect of minutely lifting the position of the pendulum's centre of mass, reducing the effective length of the pendulum rod and hence increasing the rate at which the pendulum swings. Adding or removing a penny from the bob will change the clock's speed by 0.4 seconds per day.

Adding and then removing the penny daily would not result in any discernable continuous motion but in Bessler's wheel however such variation applied on a larger scale to a pendulum - as happenes in a swing by a child swinging its legs and upper body to increase oscillation - or in 'kiiking' - will generate rotation.

If such a mighty piece of machinery can be affected by the removal or replacement of one penny, surely we can come up with some visionary means of achieving success with Bessler's wheel.

JC

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