The best dimensions for the Joe Cell

If you try to build a Joe Cell, then think about the Golden Ratio, 1.618033988749895 and it’s multiples. Our solar system has a similar configuration, certain orbital periods are closely related to phi.

  Mercury   Venus   Earth  Jupiter   Saturn
Power of Phi -3 -1 5 7
Decimal Result 0.24 0.62 1.0 11.1 29.0
Actual Period 0.24 0.62 1.0 11.9 29.5

Therefore if you choose the diameter of the cylinders try to align them as close as possible to this numbers:

1.0

1.618033988749895

2.618033988749895 *

4.23606797749979

6.854101966249686

11.090169943749476

17.944271909999163

29.03444185374864

46.978713763747805

76.01315561749645

122.99186938124426

199.0050249987407

See also: