The Pedersen bicycle, also called the Dursley Pedersen bicycle is a

bicycle A bicycle, also called a pedal cycle, bike or cycle, is a human-powered or motor-powered assisted, pedal-driven, single-track vehicle, having two wheels attached to a frame, one behind the other. A is called a cyclist, or bicyclist. Bic ...

that was developed by

Danish Danish may refer to: * Something of, from, or related to the country of Denmark People * A national or citizen of Denmark, also called a "Dane," see Demographics of Denmark * Culture of Denmark * Danish people or Danes, people with a Danish a ...

inventor

Mikael Pedersen Mikael Pedersen (25 October 1855 Fløng – 22 October 1929, Bispebjerg) was a Denmark, Danish inventor much associated with the England, English town of Dursley. He is chiefly known today for the highly distinctive Pedersen bicycle. His story ...

and produced in the

English English usually refers to: * English language * English people English may also refer to: Peoples, culture, and language * ''English'', an adjective for something of, from, or related to England ** English national ide ...

town of

Dursley Dursley is a market town and Civil parishes in England, civil parish in southern Gloucestershire, England, almost equidistant from the cities of Bristol and Gloucester. It is under the northeast flank of Stinchcombe#Stinchcombe Hill, Stinchco ...

. Though never hugely popular, they enjoy a devoted following and are still produced today. Their unusual

frame A frame is often a structural system that supports other components of a physical construction and/or steel frame that limits the construction's extent. Frame and FRAME may also refer to: Physical objects In building construction *Framing (con ...

is described as ''pure cross'', was marketed as

cantilever A cantilever is a rigid structural element that extends horizontally and is supported at only one end. Typically it extends from a flat vertical surface such as a wall, to which it must be firmly attached. Like other structural elements, a canti ...

, and features a distinctive

hammock A hammock (from Spanish , borrowed from Taíno and Arawak ) is a sling made of fabric, rope, or netting, suspended between two or more points, used for swing (seat), swinging, sleeping, or Human relaxation, resting. It normally consists of one ...

-style

saddle The saddle is a supportive structure for a rider of an animal, fastened to an animal's back by a girth. The most common type is equestrian. However, specialized saddles have been created for oxen, camels and other animals. It is not kno ...

. Variations include lightweight

racing In sport, racing is a competition of speed, in which competitors try to complete a given task in the shortest amount of time. Typically this involves traversing some distance, but it can be any other task involving speed to reach a specific goa ...

tandem Tandem, or in tandem, is an arrangement in which a team of machines, animals or people are lined up one behind another, all facing in the same direction. The original use of the term in English was in ''tandem harness'', which is used for two ...

, and

folding Fold, folding or foldable may refer to: Arts, entertainment, and media * ''Fold'' (album), the debut release by Australian rock band Epicure * Fold (poker), in the game of poker, to discard one's hand and forfeit interest in the current pot *Abov ...

designs. Other Pedersen innovations include two and three-speed internally geared rear hubs.

History

Pedersen received a patent in the

United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and North ...

for his bicycle in the early 1890s and constructed the first model out of wood. He formed the Pedersen Cycle Frame Co. Ltd and when that fell into financial difficulties, production was continued by the Dursley Pedersen Cycle Co. The design was also licensed to other manufacturers, and approximately 30,000 units were produced by the early 1920s, but the design never really caught on. In 1978, Jesper Sølling resumed production in

Copenhagen Copenhagen ( or .; da, København ) is the capital and most populous city of Denmark, with a proper population of around 815.000 in the last quarter of 2022; and some 1.370,000 in the urban area; and the wider Copenhagen metropolitan ar ...

and has been followed by others.

Technology

Pedersen wrote that he developed the hammock style seat first. It provides

suspension Suspension or suspended may refer to: Science and engineering * Suspension (topology), in mathematics * Suspension (dynamical systems), in mathematics * Suspension of a ring, in mathematics * Suspension (chemistry), small solid particles suspend ...

from road imperfections with much less weight, instead of of traditional leather and steel spring saddles of the day. Pedersen then developed a frame, a

truss A truss is an assembly of ''members'' such as beams, connected by ''nodes'', that creates a rigid structure. In engineering, a truss is a structure that "consists of two-force members only, where the members are organized so that the assembl ...

assembled from several thin tubes, around his new seat design. He attributed his inspiration to the Whipple-Murphy bridge truss. The design initially did not support seat height adjustment, and even after some adjustability was added, required the manufacture of eight different sizes. The non-standard frame design would not accommodate a traditional front

fork In cutlery or kitchenware, a fork (from la, furca 'pitchfork') is a utensil, now usually made of metal, whose long handle terminates in a head that branches into several narrow and often slightly curved tines with which one can spear foods ei ...

. Instead, Pedersen developed a fork that also consisted of thin tubes assembled into a truss, which was attached to the frame with bearings at two distinct points, instead of through a traditional

head tube The head tube is the part of a cycle's tubular frame within which the front fork steerer tube is mounted. On a motorcycle, the "head tube" is normally called the steering head. On bicycles the manufacturer's brand located on the head tube is kno ...

. Pedersen also received patents for a

chainwheel The crankset (in the US) or chainset (in the UK), is the component of a bicycle drivetrain that converts the reciprocating motion of the rider's legs into rotational motion used to drive the chain or belt, which in turn drives the rear wheel. ...

and

bottom bracket The bottom bracket on a bicycle connects the crankset (chainset) to the bicycle and allows the crankset to rotate freely. It contains a spindle to which the crankset attaches, and the bearings that allow the spindle and crankset to rotate. The ch ...

combination and lightweight

pedals A pedal (from the Latin '' pes'' ''pedis'', "foot") is a lever designed to be operated by foot and may refer to: Computers and other equipment * Footmouse, a foot-operated computer mouse * In medical transcription, a pedal is used to control p ...

Gallery

File:Pedersen-Rad.jpg, Modern Pedersen bicycle. File:Pedersen Bike.jpg, Modern Pedersen bicycle. File:Pederson Fahrrad 2004.jpg, Modern Pedersen bicycle. File:Ironbridge 17.jpg, Antique Pedersen on display. File:Pedersen-bicycle-1993-replica.jpg, Replica of a Pedersen bicycle, built in 1993 in Düsseldorf, Germany.

References

*
Town recalls pedal pioneer
''

Bristol Evening Post The ''Bristol Post'' is a city/regional five-day-a-week (formerly appearing six days per week) newspaper covering news in the city of Bristol, including stories from the whole of Greater Bristol, North Somerset and South Gloucestershire. It was ...

'', 28 October 2005
Town welcomes family of legendary inventor
''Gazette Series'', 28 October 2005

External links

Pedersen Bicycle
Denmark.
Pedersen Bicycles
US distributor.
Dursley Pedersen Cycles

Pedersen Manufaktur Kalkhoff GbR

{{British bicycle manufacturers Cycle manufacturers of the United Kingdom Road cycles