I just this posted for fun. I doubt that even my compressor at work could continuously supply enough compressed air to be worthwhile, but if people didn't try these hair brained things the world would be a poorer place. Clearly if it did work, a great deal of our vans would have been plumbed in like this many years ago - even for a small improvement, a few quid on flexi tubes would be money well spent. Now where did I leave that 12v hairdrier...