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07/03/2006
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Tom Shelley reports on a piece of lateral thinking that greatly reduces the size of a usable bicycle pump
A novel cycle pump can pump more air than any other mini-pump and deliver pressures of up to 120psi, while still being only six inches (150mm) long.
The Cyclaire, invented by Julian Peck, achieves its goals by being placed on the ground with the user standing above it and pulling on a handle attached to a pull-cord system, which works a double acting piston through a crank. This arrangement allows users to get a really long stroke from a compact pump. It is small enough to fit into a pocket, bike bag or rucksack, which avoids problems with conventional pumps that have to be left attached to bike frames, which usually leads to them becoming stolen or otherwise detached whenever they are really needed.
The Cyclaire includes a built-in pressure gauge to enable cyclists to inflate all types of tyres to correct pressures, with a green zone for children's bikes, a yellow zone for mountain bikes and a red zone for road racing bikes. Price is just £22.95 with a waterproof carry case that can be strapped to any bike or £19.95 without. Julian Peck is preparing to launch a new version, the Cyclaire Inflator for air beds and other large items, which he says can be used to inflate a full sized air bed in under a minute.
The same principles could be used to reduce the sizes of other kinds of pumps. The Cyclaire has just been named Innovation of the Year 2005 by Cycling Plus magazine. Julian Peck is also the inventor of the VacuVin WineMaster corkscrew, named as a "Best Buy" by Which magazine.
Julian Peck
Cyclaire
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Author
Tom Shelley
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