Martin L wrote... >You haven't mentioned Marple in your list. If I remember rightly, the >sixteen locks total around 209ft, so on average they must be about 13ft >rise - and they will probably vary by a few inches between locks so >quite possibly they include the deepest narrow lock on the network. > No, but Pete has mentioned them! I have added them to the page as having an average fall of 13' 3". Perhaps one day, later in the year, when I have a day to spare, I will go to Marple with my plumb line and tape measure and measure them all!
>Regarding Tardebigge top lock, this has often been quoted as 14ft but >this claim has equally often had doubts cast upon it - a suggestion is >that the 14ft measured included the freeboard, not just the rise and >fall. > I have amended this now, as Richard says that it was measured as 11' 7". That'll spark a few emails of complaint, no doubt! >How deep is the one on the Sheffield Canal which replaced two earlier >locks in the 1960s? Erm... -- Martin Clark Internet Boaters' Database http://www.boaterweb.co.uk Pennine Waterways Website http://www.penninewaterways.co.uk
