After the festival ended I found that the machine was used so much that on of the three bells had a fatigue crack from having its duty cycle reached. The rest of the machine faired well apart from some vandalism attempts during the night.
The bicycles used in this sculpture were destined for the dump an were pleased to have had a second brief life.

Video

cable 2.33Mb Windows wmv file, 50sec
dialup 692Kb Windows wmv file, 50 sec