Human-powered transport
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Human-powered transport is transport of person(s) and/or goods powered by human muscle.
Like animal-powered transport, human-powered transport has been in existence since time immemorial in the form of walking, running and swimming. However modern technology has led to machines to enhance human-power. Although motorization has reduced the effort in transport, many human-powered machines remain popular for leisure or exercise and for short distance travel. Human-powered transport is often the only (reliable) power source available in underdeveloped or inaccessible regions, and may be considered an ideal form of sustainable transportation.
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Available muscle power
The average "in-shape" cyclist can produce about 3 watts/kg for more than an hour (e.g., around 200 watts for a 70 kg rider), with top amateurs producing 5 watts/kg and elite athletes achieving 6 watts/kg for similar lengths of time. Elite track sprinters are able to attain an instantaneous maximum output of around 2,000 watts, or in excess of 25 watts/kg; elite road cyclists may produce 1,600 to 1,700 watts as an instantaneous maximum in their burst to the finish line at the end of a five-hour long road race.
Types
Human movement using only one's own body
- Walking and running
- Swimming and diving
- Climbing as in alpinism and abseiling
Human self-movement using object(s) and sheer muscle power
A human-powered vehicle (HPV) is a vehicle powered solely by human muscle.
- Canoeing and kayaking
- Cross-country skiing
- Cycling uses a bicycle, unicycle, tricycle, quadricycle, velomobile or similar wheeled vehicle, including collective variatons such as tandem bicycle and side-car
- Ice skating
- Kick scooter
- Man-powered aircraft
- Roller skating
- Skateboarding
- Trikke
- Rowing
Human self-movement using object(s), muscle power and a natural force
Here the human effort is not used in the actual locomotion, but human intelligence is needed to exploit natural forces.
- Glider (non-motorized if bungee launch or foot-launch is used)
- Kitesurfing
- Sailing
- Surfing
- Wind surfing
Human transport of others and/or load using object(s) and muscle power
- Litters, e.g. Sedan chair
- Rickshaw
- Stretcher
- Cycle rickshaw
Some of the vehicles mentioned in other categories above also exist(ed) in a version with cargo and/or passengers, such as the galley. Various of the above examples have also been models for a motorized variation.
Human-powered surface vehicles
The most common and most efficient human-powered vehicle is the bicycle. Variations on the bicycle, the recumbent bicycles, are the fastest human-powered vehicles because they are more aerodynamic than upright bicycles, while having a similar energy transfer efficiency. In 2002, Sam Whittingham pedaled a streamliner (a fully-faired recumbent) for 200 m at 130.36 km/h (81.00 mph) in the Varna Diablo II [1] As of 2005, that run still holds the International Human Powered Vehicle Association's speed record[2]
Olympic Cyclist and IRONMAN triathlon winner, John Howard set a 244.9 km/h (152.2 mph) speed record at the Bonneville Salt Flats near Wendover, Utah on July 20, 1985 while cycling in the wake of a motorized Vesco Streamliner pace-car.[3] The wake of pace-car reduced the aerodynamic drag against which Howard pedalled to almost zero.[4]
In 1969, artists in a small northern California town began the Kinetic sculpture race which has grown to a 42 mile (67.2 km), three-day all terrain, human-powered sculpture race and county wide event. It is held every year in the last weekend in May.
Human-powered aircraft
The first officially authenticated take-off and landing of a human-powered aircraft (one capable of powered takeoffs, unlike a glider) was made on 9 November 1961 by Derek Piggott in Southampton University's Man Powered Aircraft (SUMPA). (A claim for a flight by the Pedaliante in March 1937 is disputed because a catapult was used for take-off.) [5] [6]. Perhaps the best-known human-powered plane is the Gossamer Albatross, which flew across the English Channel in 1979. See Category:Human-powered_aircraft.
See also
- Animal-powered transport
- Locomotion
- Sidewalk
- International Human Powered Vehicle Association
- Human powered helicopter
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References
- ^ Varna Diablo II
- ^ International Human Powered Vehicle Association's speed record
- ^ Speed record 1
- ^ Speed record 2
- ^ Pedaliante 1
- ^ Pedaliante 2
External links
- Human Powered Hydrofoils from 1953 to 2005
- The Kinetic Sculpture race
- The BARTMOBILE - a Kinetic Sculpture Race Machine
- Human Powered vehicles and how to build them
- Decavitator Human-Powered Hydrofoil
- Human Powered Boats
- Human Powered River Gyms
- Human Powered Helicopters
Categories: Transportation | Human powered vehicles


