 | Sir Richard Phillips - 1807 - 212 sivua
...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 sivua
...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 sivua
...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 sivua
...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 - 350 sivua
...from the centre of motion ; for the wheel describes a great circle in the same space of time that the axle describes a small one, therefore the power is...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 less than the weight of... | |
 | Alexander Jamieson - 1821 - 448 sivua
...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 sivua
...from the centre of motion ; foil the wheel describes a great circle in the same space of time that the axle, describes a small one, therefore the power is...than that of the axle. If the velocity of the wheel is twelve times greater than that of the axle, a power twelves times less than the weight of the bucket,... | |
 | Mrs. Marcet (Jane Haldimand), John Lauris Blake - 1826 - 308 sivua
...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 - 236 sivua
...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 sivua
...from the centre of motion; for the wheel describes a great circle in the same space of time that the axle describes a small one; therefore the power is...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... | |
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... 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 velocity of the wheel is... 
