Hydraulic systems require a compressor, although in place of air, the compressor pressurises fluid (oil).
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| Hydraulic systems are similar to pneumatic systems. However, instead of using air to create pressure, they use a fluid, usually oil. Hydraulic systems tend to be much more powerful than pneumatic systems and this is often the reason for them being used in transport, such as the brakes on lorries or transportable cranes. Hydraulic systems require a compressor, although in place of air, the compressor pressurises fluid (oil). |
| The compressor forces the fluid (oil) to enter the chamber of the hydraulic cylinder. Pressure inside the cylinder increases, forcing the piston forward. This is a powerful system. |
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| EXAMPLES OF HYDRAULIC SYSTEMS |
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