This instrument came about from a conversation with experimental sound artist Phil Julian. He was after something percussive that would sound very large but also transportable! From my recent experiments with The Leviaphone I came up with the idea of having a few big chunky springs stretched close to a pickup (in this case was some long forgotten innards of a pump). The results of this simple configuration I think work very well...
I demonstrated this instrument recently at my talk in Watford and got a great response from it, I'd be happy to recreate/redesign similar pieces for those who'd be interested!