 But oars have their advantage ; they return through air to make a second stroke, and hence create very little resistance ; whereas the leaves return through water, and add considerably to the resistance, which resistance is increased as the velocity of...  Robert Fulton, Engineer and Artist: His Life and Works - Side 144af Henry Winram Dickinson - 1913 - 333 siderFuld visning - Om denne bog
 | George Williamson (of Greenock.), Watt Club (Greenock, Scotland) - 1856 - 346 sider
...resistance ; whereas the leaves return through water, and add considerably to the resistance, which is increased as the velocity of the boat is augmented....power, to the best advantage. " If the author of the model is fond of mechanics, he will be much amused, and not lose his time by trying the experiments... | |
 | George Williamson (of Greenock.), Watt Club (Greenock, Scotland) - 1856 - 336 sider
...they pass through similar curves in the same time, the effect must be the same. But oars have this advantage, — they return through air to make a second...water, and add considerably to the resistance, which is increased as the velocity of the boat is augmented. No kind of machinery can create power ; all... | |
 | Edmund Fillingham King - 1859 - 360 sider
...they pass through similar curves in the same time, the effect must be the same ; but oars have this advantage, they return through air to make a second...; whereas the leaves return through water, and add cousiderabily to the resistance, which resistance is increased as the velocity of the boat is augmented... | |
 | George Henry Preble, John Lipton Lochhead - 1883 - 520 sider
...the leaves, and they pass through similar curves in the same time, the effect must be the same ; bat oars have their advantage, they return through air...resistance is increased as the velocity of the boat is augumented : no kind of machinery can create power; all .that can be do'ne is to apply the manual qr... | |
 | Robert Henry Thurston - 1891 - 220 sider
...water, and in proportion to the power with which such machinery is put in motion. Hence, if the use of the surfaces of the oars is equal to the sum of...power to the best advantage. If the author of the model is fond of mechanics, he will be much amused, and not lose his time, by trying the experiments... | |
 | Edmund Fillingham King - 1894 - 712 sider
...they pass through similar curves in the same time, the effect must be the same ; but oars have this advantage, they return through air to make a second...create power ; all that can be done is to apply the manuel or other power to the best advantage. If the author of the model is fond of mechanics, he will... | |
 | William Graham Sumner - 1904 - 508 sider
...water, and in proportion to the power with which such machinery is put in motion. Hence, if the use of the surfaces of the oars is equal to the sum of...power to the best advantage. If the author of the model is fond of mechanics, he will be much amused, and not lose his time, by trying the experiments... | |
 | 1909 - 998 sider
...and they pass through similar curves in the same time, the effect must be the same but oars have this advantage they return through air to make a second...power to the best advantage. If the author of the model is fond of mechanics, he will be much amused and not lose his time by trying the experiments... | |
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