Velomobile

A velomobile is a human-powered vehicle, fully enclosed for protection from weather and possibly from collisions. They are virtually always single-passenger vehicles. They are derived from bicycles and tricycles[?], with the addition of a full fairing (aerodynamic shell). There are few manufacturers of velomobiles; many are homebuilt. Some models have the operator's head exposed; this has the advantage of giving the operator unobstructed vision, hearing, and some cooling, with the disadvantage of being more exposed to weather.

A practical velomobile has many competing requirements. It should have as many of the following characteristics as possible.

• Light weight.
• Good visibility for the operator (clear front vision is especially important, but a 360 degree view is also desireable).
• Good maneuverability (steering, braking).
• Safety in collision and over bad roads.
• Good ventilation, including a windscreen defroster. This should be adjustable for more cooling in warmer weather.
• Many gears; a vehicle that is heavier but more aerodynamic than a bicycle needs a wider gearing range than a bicycle.
• Good aerodynamics.
• Good suspension.
• Reliable operation.
• Strength: wheels, brakes, transmission, need to be more robust than on a lightweight bicycle.
• Cargo capacity suitable for everyday shopping.
• Low noise, for both the comfort of the operator and safety in traffic.
• Multiple tracks (tricycle or quadracycle design) for safety and practicality in slippery weather.
• Good lighting system.
• Good visibility to others (reflectors, horns).
• Low price.

The Leitra http://www.leitra.dk is currently the commercial velomobile in production for the longest period of time--since 1983. Other manufacturers include http://www.cab-bike.com/, Quest, Mango, and Alleweder at http://www.velomobiel.nl/, and http://www.go-one.de/ukindex.shtml .

http://www.ihpva.org/pipermail/velomobile/ contains a discussion list about velomobiles. http://home.gwi.net/velomobile/ contains information about velomobiles from a North American viewpoint.

See also tricycle, bicycle, velotaxi.