[746]. Gas engine governor. Rod A has a reciprocating motion from the engine, and the spur on lever B strikes the end of the gas valve slide when brought in line with it by the motion of the governor, thus supplying gas only when the governor falls to a certain point.
Differential Governor. See [Nos. 556] and [557].
Section 42.—HYDRAULIC MULTIPLYING GEAR.
[747]. Is the ordinary “chain and sheave” multiplying gear, unequally geared, thus—
| Ram end. | Cylinder end. | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| With | 1 | sheave | 1 | sheave | it is geared | 3 | to | 1. | &c. |
| „ | 2 | „ | 2 | „ | „ | 5 | to | 1. | |
| „ | 3 | „ | 3 | „ | „ | 7 | to | 1; | |
[748]. Is the same plan, but equally geared—
| Ram end. | Cylinder end. | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| With | 1 | sheave | No sheaves | it is geared | 2 | to | 1. | &c. | |
| „ | 2 | „ | 1 | sheave | „ | 4 | to | 1. | |
| „ | 3 | „ | 2 | „ | „ | 6 | to | 1; | |
[749]. An arrangement of the sheaves suitable for vertical working, geared 8 to 1.
[750]. An arrangement of the sheaves suitable for vertical working, but geared 6 to 1.