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Construction start12th October 2010
Construction end8th January 2012
Number of networks3
Number of lifts11
Number of paths17



If that video doesn't work please go here: http://www.youtube.com/watch?v=cTCSmDef5Q4



This is Catastropha, one of the the largest ball machine I have constructed to date. It has 11 lifts and 17 paths.
The lifts are:
  • Wheel lift with holes
  • Alternator lift
  • Double helix lift
  • Ring lift
  • Inverted chainsaw lift
  • Small arm lift
  • Pump list
  • Mouse wheel lift
  • Inverted motorized single helix lift
  • Mill/Wheel lift
  • Stair lift
Even thought it might won't seem at the first look, there is equality on Catastropha. The table below will show you.
Path numberNetwork 1Network 2Network 3
11/3
21/6
31/6
41/3
51/4
61/4
71/4
81/4
91/6
111/6
121/6
131/6
141/12
151/12
161/12
171/12
Sum it all up:(1/3)+(1/4)+(1/6)+(1/6)+(1/12)=(4/12)+(3/12)+(2/12)+(2/12)+(1/12)=12/12=1(1/3)+(1/4)+(1/6)+(1/6)+(1/12)=(4/12)+(3/12)+(2/12)+(2/12)+(1/12)=12/12=1(1/6)+(1/6)+(1/4)+(1/4)+(1/12)+(1/12)=(2/12)+(2/12)+(3/12)+(3/12)+(1/12)+(1/12)=12/12=1

You might wonder why path 10 isn't in the table, that's because that it comes is so rare. To calculate that: It just happens when the four balls leave path eight, as it have to be four we have to do (1/4)*(1/4)=(1/16). And now only one of the balls go down that track so (1/16)*(1/4)=(1/64).

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