 | Sir Richard Phillips - 1807 - 212 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 - 196 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 - 388 páginas
...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 - 268 páginas
...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... | |
 | Alexander Jamieson - 1821 - 448 páginas
...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), Thomas P. Jones - 1826 - 286 páginas
...the wheel is as much greater than that of the axle, as it is further from the centre of motion ; foil the wheel describes a great circle in the same space...twelve times greater than that of the axle, a power twelves times less than the weight of the bucket, would balance it; and a small increase would raise... | |
 | Sir Richard Phillips - 1826 - 236 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... | |
 | John Ayrton Paris - 1827 - 234 páginas
...of the wheel exceeds that of the axle. This arises from the velocity of the circumference being so much greater than that of the axle, as it is further...circumference of the wheel is greater than that of the axle. Those who have ever drawn a bucket from a well by this machine, must have observed, that as the bucket... | |
 | John Ayrton Paris - 1827 - 918 páginas
...of the wheel exceeds that of the axle. This arises from the velocity of the circumference being so much greater than that of the axle, as it is further...increased in the same proportion as the circumference oi' the wheel is greater than that of the axle. Those who have ever drawn a bucket from a well by this... | |
 | 1832 - 642 páginas
...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...than that of the axle. If the velocity of the wheel were twelve times greater than that of the axle, a power nearly twelve times less than the weight of... | |
| |
... time that the axle describes a small one, therefore the power is increased in the same proportion as the circumference of the wheel is greater than that of the axle. If the... 
