Everything about Inflatable Structure totally explained
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Bouncy castle (cryptography).
Inflatable structures are large cold-air structures that people (usually children) can bounce on for recreation. They have been marketed such names as
Moon Bounce,
Astrojump,
Moonwalk,
Bounce house,
SpaceWalk, in the US,
bouncy castle or
inflatable castle in the UK and parts of Australia, and as
jumping castles in Australia, New Zealand, Canada and South Africa. They are often in the shape of a castle. The walls and floor are soft.
The inflatable structure was designed in
1959 by John Scurlock who was experimenting with inflatable covers for tennis courts when he noticed his employees enjoyed jumping on the covers. He started the Space Walk company to market them for children and called them Space Walks. He started out with a large air mattress and in 1967 added walls.
Inflatable structures were also designed by university students in England around
1961 for a fundraising event.
The surfaces are typically composed of thick, strong
PVC or vinyl and
nylon, and the castle is inflated using an electric or petrol-powered
blower. The principle is one of constant leakage, meaning small punctures are not a problem - a medium-size "bouncy castle" requires a fan with a mechanical output of about two horsepower (consuming around 2 kW electrical power, allowing for the efficiency of the motor).
The term "moonwalk" has evolved as the generic term for enclosed inflatable trampolines in the US. Modern moonwalks in the US are typically supported by inflatable columns and enclosed with netting. The netting allows for supervision as adults can see in from all sides.
UK and Australian bouncy castles have specifications calling for fully inflated walls on 3 sides with an open front and foam "crash mats" to catch children who may jump or fall out of the structure.
Inflatables are rented for functions, school and church festivals and
village fetes. Although they're aimed at children, adult castles can be hired in the UK. Because of liability concerns moonwalks are rarely rented to adults in the US. They are often used to wrestle or bounce. A theatrical group named "The strolling theatricals" has started performing Shakespearian tragedies on bouncy castles at the
Edinburgh Festival Fringe (Hamlet in 2006, Macbeth in 2007). Rumours abound of a 'Bouncy Castle Dracula' for 2008
The growth in popularity of moonwalks has led to an inflatable amusement industry which includes inflatable slides, obstacle courses, games, and more. Inflatables are ideal for portable amusements because they're easy to transport and store.
Games
Some inflatables are designed to allow games such as boxing rings, water football, penalty shootouts, basketball, and gladiator duels. Quad tracks are also popular and provide the perimeter for
Quad bike racing.
Inflatable associations
To maintain the quality of inflatables, voluntary organisations exist for manufacturers, resellers and hirers.
In the US, the Association of Inflatable Rental Company Operators (AIRCO)
(External Link
) is the largest trade group for companies who rent inflatable amusements. Established in 2005, it evolved from a commercial forum on the Hullaballoo Sales website. A trade group was needed to bring the industry together, promoting safety and monitoring standards.
The Safe Inflatables Operators Training Organization (SIOTO)
(External Link
) was developed to train operators of inflatable games. With other operators from the Moonwalk Forum
(External Link
), Matthew Mark created SIOTO in 2005.
Only two states, Pennsylvania and New Jersey, require inflatables to pass engineering and safety standards before allowing the equipment to be rented out.
In the UK, the BIHA (British Inflatable Hirers Alliance) is a hirers organisation. Members agree a code of conduct for hirers, and anyone wanting to hire out a castle can check on their website if a hirer is a member. Manufacturers can become Associate Members.
PIPA is a voluntary manufacturer and reseller's organization, which has been endorsed by the government Health & Safety organisation. Despite government backing it isn't compulsory for inflatables sold for hire purposes to be PIPA tested. Hirers buying inflatables can ask for them to be "PIPA Tagged". This means the inflatable structure has been made to PIPA safety guidelines and has passed a PIPA test. If it passes a tag is put onto the inflatable specifying PIPA compliance. Hirers can also have their existing inflatables PIPA tested.
Once an inflatable has passed a test it can be verified on the PIPA website to prevent fraud.
Other organizations are the Performance Textiles Association, AIMODS (Association of Inflatables Manufacturers, Operators, Designers and Suppliers) and the Federation of Major Inflatable Manufacturers.
Rollerwars
A giant inflatable set was made for a pending TV rollerskating show Rollerwars. This was used for the international world championships at the
Birmingham NIA,
England. The inflatable set is approximately 200 ft by 120 ft long.
Cheaper inflatable structures are usually made of polyester rather than nylon PVC and don't use a blower, instead they're inflated with a pump similar to an airbed. They don't last as long and it's illegal in the UK and USA to hire these out.
Aanother type of home-use inflatable has evolved, with a blower pumping in air continuously. Pores in the seams and material allow air to escape as kids play, while the blower continues to inflate the unit. This category has emerged as a response to parents who wish to buy an inflatable for home-use.
Injury and Death
Although very rare, some children have been injured or died as a result of inflatable structures.
For example in South Yorkshire a boy died while using one.
In another case 2 people were killed and 13 were injured when an inflatable structure took off during powerful winds.
An 8 year old girl was killed and 15 people injured when a bouncy castle was caught in a strong wind and was lifted and thrown over 50 meters.
A boy's parents sued a party organiser when one boy somersaulted onto another causing brain damage.
Digital vs analogue
The artwork on most inflatable structures is generally hand painted. It is cheaper for an artist to paint inflatables than to buy a printing machine or pay for a professional printer to print the artwork for a small quantity of inflatables.
For those wishing to have inflatables professionally printed, rather than painted, two technologies exist. One is to use
screenprinting and the other uses digital printing machines which can print onto nylon. Usually, if the printing method is used then white PVC must be used and a pattern/artwork printed onto this.
Digital printing allows photographic quality pictures, something which is either difficult or impossible with hand painting. Hand painted is better for durability as the paints tend to last longer in water, rain, and handling than printouts. Iit is also better for "cartoon" style images, which is the norm on children's inflatables.
In Popular Culture
A Moon Bounce saves
Homer's life in the episode
Eternal Moonshine of the Simpson Mind.
In a recorded crank call,
Crank Yankers character Niles Standish calls a Moon Bounce rental shop making enquiries of a sexual nature.
Further Information
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