 | Royal Society (Great Britain) - Meteorology - 1809 - 778 pages
...wheels, that the general ratio of the power to the effect, when greatest, was 3:1; the effect therefore of overshot wheels, under the same circumstances of quantity and fall, is at a medium double to that of the undershot :" and, as a consequence thereof, " that nonelastic bodies, when acting by... | |
 | John Smeaton - Civil engineering - 1814 - 276 pages
...wheels, that the general ratio of the power to the effect, when greateft was 3:1; the effect therefore of overshot wheels, under the same circumstances of quantity and fall, is at a medium double to that of the undershot : and, as a confequcnce thereof, that non elastic bodies, when acting by their... | |
 | Thomas Tredgold - Hydraulic engineering - 1836 - 288 pages
...wheels, that the general ratio of the power to the effect, when greatest, was 3:1; the effect, therefore, of overshot wheels, under the same circumstances of quantity and fall, is at a medium double to that of the undershot : and, as a consequence thereof, that non-elastic bodies, when acting by their... | |
 | Denison Olmsted - Physics - 1844 - 610 pages
...combines the advantages of both the others, and is therefore adapted to situations where the supply of water is generally sufficient, but not always abundant....According to Smeaton, the effect of overshot wheels, tinder the same circumstances of quantity and fall, is, at a medium, double that of an undershot wheel.... | |
 | Encyclopaedia - 1845 - 902 pages
...that the general ratio of the power to the effect, when greatest, was 3 to 1 ; the effect, therefore, of overshot wheels, under the same circumstances of quantity and fall, is at a medium double to that of an undershot wheel. 3. The powers of water computed from the height of the wheel only, compared... | |
 | Oliver Evans - Flour mills - 1848 - 594 pages
...that the general ratio of the power to the effect, when greatest, was as 3:1. The, effect, therefore, of overshot wheels, under the same circumstances of quantity and fall, is, at a medium, double to that of tJie undershot : and a consequence thereof, that non-elastic bodies, when acting by their... | |
 | Denison Olmsted - Physics - 1851 - 492 pages
...combines the advantages of both the others, and is therefore adapted to situations where the supply of water is generally sufficient, but not always abundant....course that the float boards hold water like buckets. Describe it from figure DO— structure of the float boards. Advantages of the breast wheel. To what... | |
 | Joseph Glynn - Centrifugal pumps - 1853 - 210 pages
...that the general ratio of the power to the effect when greatest wn= 3 to 1 ; the effect, therefore, of overshot wheels, under the same circumstances of quantity and fall, is, at a medium, double to that of the undershot. Second. — As to the proper height of the wheel in proportion to the whole... | |
 | Joseph Glynn - Water-power - 1853 - 184 pages
...that the general ratio of the power to the effect when greatest was 3 to 1; the effect, therefore, of overshot wheels, under the same circumstances of quantity and fall, is, at a medium, double to that of the undershot. Second.—As to the proper height of the wheel in proportion to the whole... | |
 | Denison Olmsted - Physics - 1858 - 468 pages
...combines the advantages of both the others, and is therefore adapted to situations where the supply of water is generally sufficient, but not always abundant....course that the float boards hold water like buckets. The overshot whee. s employed where the supply of water is deficient but the fall high ; the breast... | |
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... the effect, therefore, of overshot wheels, under the same circumstances of quantity and fall, is at a medium double to that of the undershot ; and, as a consequence thereof, that non-elastic bodies, when acting by their impulse or collision, communicate... 
