21. The line climbed more or less continuously from Hexham to Riccarton; the ruling gradient was 1 in 100. 22. The ruling gradient of a section of railway line between two major stations is the gradient of the steepest stretch. 23. The ruling gradient was 2 % or 1 : 50 between Goodwood and Uxbridge, and the minimum curvature was. 24. It was 1?miles long with a ruling gradient of 1 in 12 and an average of 1 in 13. 25. The 33 kilometre section from Valley Heights to Katoomba rises 670 metres, with a ruling gradient of 1 in 33. 26. The steepest part of the line is between Ch'angp'yOng, where the ruling gradient is over 200. 27. The line falls briefly from Muirhouse North Junction, but climbs at a ruling gradient of 1 in 70 to Mount Florida. 28. However this would have introduced a ruling gradient of 1 in 60 on the line, at the Wolfhall / Grafton spur. 29. The constructions and extra track would effectively double the length of the climb and reduce the ruling gradient to 2.2 %. 30. Beyond Coonoor, up to the last station at Ooty or Oottacamund, the track has a ruling gradient of 1 : 23.
