| Sir Richard Phillips - 1807 - 182 páginas
...projecting spokes thai answer the same purpose as awheel, as in fig. 15. 71. The advantage gained, is in **proportion as the circumference of the wheel is greater than that of the** axis : or as the diameter of the wheel is greater than the diameter of the axis. Illustration. If the... | |
| Sir Richard Phillips - 1811 - 152 páginas
...projecting spokes that answer the same purpose as a wheel, as in fig. 15. 71. The advantage gained, is in **proportion as the circumference of the wheel is greater than that of the** axis ; or as the diameter of the wheel is greater than the diameter of the axis. Illustration. If the... | |
| Jeremiah Joyce - 1815
...will be in equilibrio. Father. The second mechanical power is the Wheel and Axis> which gains power in **proportion, as the circumference of the wheel is greater than that of the** axis ; this machine may be referred to the principle of the lever. AB (Plate in. Fig. 22.) is the wheel,... | |
| Jeremiah Joyce - 1815
...ascent, the rope to coil more than once the length- of the axis, because the advantage gained is in **proportion as the circumference of the wheel is -greater than that of the** axis ; so thatt if the circumference of the wheel be 12 times greater than that of the axis, 1 pound... | |
| Mrs. Marcet (Jane Haldimand) - 1821 - 311 páginas
...the bucket is raised with much less difficulty. The velocity of the circumference of the wheel is as **much greater than that of the axle, as it is further...circumference of the wheel is greater than that of the axle.** If the velocity of the wheel is twelve times greater than that of the axle, a power nearly twelve times... | |
| Alexander Jamleson - 1821
...as their respective diameters ; consequently the advantage gained, by this mechanical power, is in **proportion as the circumference of the wheel is greater than that of the** axis, or as the diameter of the wheel is greater than the diameter of the axis. Hence the velocity... | |
| Mrs. Marcet (Jane Haldimand) - 1826 - 252 páginas
...in the same space of time that the axle describes a small one, therefore the power is increasedfin **the same proportion as the circumference of the wheel is greater than that of the** axle.j If the velocity of the wheel is twelve times greater than that of the axle, a power nearly twelve... | |
| Sir Richard Phillips - 1826 - 214 páginas
...fastened to it, (Jig. 13,) or of a cylinder with projectingspokes,(/g. 14.) 74. The advantage gained is in **proportion as the circumference of the wheel is greater than that of the** axis ; or as the diameter of the wheel is greater than the diameter of the axis. Illus. If the diameter... | |
| 1832
...further from the centre of motion ; for the wheel describes a large circle in the same space Fig. 34. **of time that the axle describes a small one, therefore...circumference of the wheel is greater than that of the axle.** If the velocity of the wheel were twelve times greater than that of the axle, a power nearly twelve... | |
| Ireland commissioners of nat. educ - 1835
...than that of the axle, as it is further from the centre of motion ; for the wheel describes a large **circle in the same space of time that the axle describes...circumference of the wheel is greater than that of the axle.** If the velocity of the wheel were twelve times greater than that of the axle, a power nearly twelve... | |
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