Page:Lowell Hydraulic Experiments, 4th edition.djvu/41

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Experiments upon the Tremont Turbine.
21

Elevation of the pointer on the bell crank

Time. Differences. Time. Differences. Time. Differences.
H. min. sec. Seconds. H. min. sec. Seconds. H. min. sec. Seconds.
4. 55.  0. 0.19 4. 59. 30. 0.20 5. 4.  0. 0.17
30. 0.13 5.  0.   0. 0.18 30. 0.18
56. 0.13 30. 0.19 53 0.24
30. 0.14  1. 0.21 0.18
57. 0.15 30. 0.17 6. 0.19
30. 0.19  2. 0.20 30. 0.19
58. 0.20 30. 0.19 7. 0.16
30. 0.19  3. 0.19 30. 0.14
59. 0.21 30. 0.19

Note. The extremity of the pointer was 6.5 feet from the fulcrum of the bell crank. When the horizontal arms of the bell crank were level, the height of the pointer was 0.20 feet.


Height of the water above the wheel.

Taken in the forebay by Mr. John Newell.

Time. Differences. Time. Differences. Time. Differences.
H. min. sec. Height, in feet. H. min. sec. Height, in feet. H. min. sec. Height, in feet.
4. 55  0. 15.100 4. 59. 30. 15.110 5. 4. 0. 15.120
30. 15.100 5. 0. 15.115 30. 15.120
56. 15.100 30. 15.120 5. 15.120
30. 15.100 1. 15.120 30. 15.115
57. 15.110 30. 15.110 6. 15.115
30. 15.115 2. 15.105 30. 15.110
58. 15.110 30. 15.100 7. 15.110
30. 15.100 3. 15.115 30. 15.110
59. 15.105 30. 15.125

Note. The top of the weir is the zero point of the gauge in the forebay.


Height of the water after passing the wheel.

Taken in the forebay by Mr. Lloyd Hixon.

Time. Differences. Time. Differences. Time. Differences.
H. min. sec. Height, in feet. H. min. sec. Height, in feet. H. min. sec. Height, in feet.
4. 56.  0. 2.20 5.  0.  0. 2.21 5. 4.  0. 2.22
30. 2.21 30. 2.21 30. 2.21
57. 2.21  1. 2.21 5. 2.21
30. 2.21 30. 2.21 30. 2.21
58. 2.21  2. 2.21 6. 2.21
30. 2.21 30. 2.21 30. 2.20
59. 2.20  3. 2.20 7. 2.22
30. 2.21 30. 2.20 30. 2.20

Note. The top of the weir is the zero point of the gauge in the forebay.