Bouncy Castle

A bouncy castle is an inflatable amusement ride.

Nomenclature

Bouncy castles are also known as a jumping castles, bounce houses, moonbounces, moon walks,

Centrifugal Blower

The centrifugal blower (also referred to as the Blower, Fan, Pump or Motor_) is an electric or petrol/diesel motor driving a centrifugal fan that delivers continuous, high-pressure (how much?) air to the bouncy castle.

Typically the blower is located at the rear of a bouncy castle (or other inflatable) so that is is - Unslightly - Trip Hazzard - Noisy

Whooshing & "Clicking" Sounds

As patrons jump on the bouncy castle the air pressure inside the structure temporarily increases. As the inflatable is

In addition, some (all?) blower designs have vanes/flaps on the outlet pipe that act as a one-way check valve. As air tries to feed back into the blower, these flaps snap shut, producing an audible "click" sound.

See Also

• Category:List of Inflatable Amusement Equipment Manufacturers
• Wikipedia:Bouncy Castle