| spuuut (Australia) "The Silent Downpipe" I envisage something that could be retro-fitted to existing pipes, but there would need to be versions for round and rectangular pipes. Or a totally new downpipe that can fit to new houses. Some understanding of the rotational direction of the water would be required. Anticlockwise in the southern hemisphere and reverse in the North. Reward: Fame and fortune or a good nights sleep when it rains. |