Marie Heaster wrote:
> Hi Barry & Phil - have patience we're engineering the lock system. > Now let's see..... 7 land miles between us and the Thompson > River..... 2300 feet elevation change between the river and > the pond at the bottom of the garden..... with an average > lock depth of 8 feet the number of locks we'll need........ > > Oh, well, back to the drawing board. With that much difference in level you need an inclined plane. Or perhaps one of these: http://www.homebuiltfunicular.com/v/DSC00047.JPG.html http://www.homebuiltfunicular.com/v/DSC00047.JPG.html And this is what travels up and down it: http://www.homebuiltfunicular.com/v/DSC00015.JPG.html David Mack
