The quick reply option on this forum seems to be a nuisance with IPads. Anyway, yes if I can find an electrically powered alternative then that would be my preference giving the fact that I have no knowledge with pneumatics. I've had a search for the lad you mention but I can only find a single picture of his ant rather than finding information on the system he uses. Do you happen to know a source where I can find out more about what he uses ect?