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What are the different types of post rammer?

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there many other options available to you to install multiple posts If you need to install multiple posts, or would like a less physically demanding way to install your posts, there are other options available to you:

Fuel-powered post rammer

fuel powered post rammers are fitted with four stroke engines, where an internal piston creates vibrations knocking the post into the ground This type of post rammer is usually fitted with a small four-stroke engine, which uses an internal piston to create striking vibrations, forcing the fence post into the ground.
fuel powered post rammers are designed with smaller posts in mind, however adaptors are available for posts of varying sizes Fuel-powered post rammers are designed for smaller posts, but there are adapters available for use with posts of all sizes.
the hand held, fuel powered, post rammer is designed to be operated by a single person A hand-held tool designed to be used by a single person, they are easily transportable as they are relatively light (approximately 14 kilograms (30 lbs)).

Air-powered post rammer

The air powered post rammer uses compressed air for power Pneumatic post rammers, or air post drivers as they are also called, use compressed air for power.

A striking piston within the pneumatic post rammer strikes down onto the top of the post, forcing it into the ground.

air powered rammers range in size varying from 18 kilograms (40lbs), to larger versions Air-powered post rammers vary in size, from small 18 kilogram (40lbs) hand-held rammers to much larger versions, which should be used by two people at once.
air compressors similar to this are required to operate pnuematic post rammers Post rammers operated by compressed air will complete the task quickly and will be able to cope with posts of all shapes and sizes.

The downside of pnuematic post rammers is that they require an air compressor to create the pressure needed and have to be attached to the compressor at all times.

air powered post rammers Air rammers operate under air pressure which has to be a certain PSI (Pounds per Square Inch – the rate at which air is forced under pressure) to work effectively.

The air pressure is created by forcing air into a cylinder (container or vessel) by the use of a motor, or engine driven, compressor. The compressor uses pistons (rather like a bicycle pump) to compress the air, forcing it into a cylinder where it is stored until required. When a preset pressure is reached, the compressor will shut down. The air in the cylinder is used to operate the rammer, with the compressor switching back on when the pressure in the cylinder drops below a preset level.

Air powered post rammers need an air compressor to operate, depending upon the length of the air hose, use can be quite limited The downside is that it requires an air compressor at all times to operate. Using a petrol driven compressor, however, and a good length of hose, use of the post rammer is not limited to an electrical supply.

Hydraulic post rammer

hydraulic post rammer This heavy duty post rammer is much larger, and is mainly used by contractors and farmers, who have the equipment available to operate it.

This rammer requires a hydraulic system to operate, such as those commonly found on tractors and similar equipment.

hydraulic rammer The hydraulic rammer works by using an oil and piston system, where a piston tries to compress hydraulic oil (an oil that cannot be compressed).

The force created by this action is then transmitted through a series of valves and pistons which create movement. The rammer is powered when the correct amount of pressure is obtained.

An hydraulic post rammer is designed to be used over a large area being able to withstand continual use This type of post rammer is designed to be used extensively over a large surface area, and will withstand continual use.

However, it will require regular maintenance, and should only be operated by users with knowledge of hydraulic systems and machinery.

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