No, a ratchet pneumatic winch does not require electricity to operate. Pneumatic winches, including ratchet-type winches, are powered by compressed air instead of electricity. They use the force generated by compressed air to drive a pneumatic motor, which, in turn, powers the winching mechanism.

Here's a brief overview of how a ratchet pneumatic winch works without electricity:

Compressed Air Supply:

The winch is connected to a compressed air source, typically provided by an air compressor. The compressed air is stored in tanks or delivered directly to the winch.

Pneumatic Motor:

The compressed air is directed to a pneumatic motor within the winch. The motor converts the energy from the compressed air into mechanical motion.

Ratcheting Mechanism:

In a ratchet pneumatic winch, a ratcheting mechanism is used to control the direction of the winching operation. The ratchet allows the winch to operate in one direction while preventing backward movement.

Winching Operation:

When the compressed air is supplied, it powers the pneumatic motor, causing the winch drum or other winching mechanism to rotate. The ratchet ensures that the winch operates in a controlled and directional manner.

Control and Safety:

The winch may have controls, levers, or buttons that allow the operator to control the speed and direction of the winching operation. Additionally, safety features may be incorporated to stop or lock the winch in certain conditions.

Since a ratchet pneumatic winch relies on compressed air for power, it is often used in environments where electricity may not be readily available or where electrical components are not suitable due to safety concerns, such as in potentially explosive atmospheres.

It's important to follow the manufacturer's guidelines, recommended operating pressures, and safety instructions when using a pneumatic winch, including a ratchet-type winch. Regular maintenance and inspections are also crucial to ensure the safe and efficient operation of the equipment.