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Thursday, August 13, 2009

Trikes Useful Informations

By Banga Koupit

Real trikes are usually custom made, often involving using a car engine as the power source. A popular engine that is used is one taken from a Volkswagen Beetle. Such an engine will give a three wheeled vehicle just the right amount of acceleration and speed.

There's a whole culture that goes with riding these machines too. That culture places trike owners in the same bracket as motorcycle owners, distinct from those of us who drive cars and other four wheeled vehicles.

A tricycle (often abbreviated to trike) is a three-wheeled vehicle. While tricycles are often associated with the small three-wheeled vehicles used by pre-school age children, they are also used by adults for a variety of purposes. In the United States and Canada, adult-sized tricycles are used primarily by older persons for recreation, shopping, and exercise. In Asia and Africa, tricycles are used primarily for commercial transportation, either of passengers in pedicabs, or of freight and deliveries.

Tricycles are typically used by children between the ages of two and four, after which point they usually switch to a bicycle, often with training wheels. Parents choosing a tricycle for their child should ensure that the trike is not too tall and that the seat is too high, and that the wheelbase is wide enough, because if this is the case, the child may tip over easily. The seat should be stable, which is not always the case with the most inexpensive models. Some trikes have back rests which provide support and a push bar for parents so that the parents can push the child up hills or hold the child back when descending, or in case of the sudden approach of other traffic.

Typical upright trikes for adults have front and rear brakes. The front brakes are usually "pull brakes" or V-brakes, and the rear brakes can be pull brakes or internal drum brakes (which operate like automobile drum brakes).

Trikes' strongest suits are cornering, stability, comfort, rider stamina and terminal velocity. Trikes can be used by adults who have problems riding bicyles. As well, trikes are a good choice for elderly riders who are worried about falls. Trikes can ride and climb at very low speed and a kickstand is never needed.

Urban delivery trikes are designed and constructed for transporting large loads. These trikes include a cargo area consisting of a steel tube carrier, an open or enclosed box, a flat platform, or a large, heavy-duty wire basket. These are usually mounted over one or both wheels, low behind the front wheel, or between parallel wheels at either the front or rear of the vehicle, to keep the center of gravity low. The frame and drivetrain must be constructed to handle loads several times that of an ordinary bicycle; as such, extra low gears may may added. Other specific design considerations include operator visibility and load suspension. Many, but not all, cycles used for the purpose of vending goods such as ice cream cart trikes or hot dog vending trikes are cargo bicycles.

Spidertrike is a recumbent cycle rickshaw that is used in central London and is operated by Eco Chariots. It is a front wheel drive tricycle, articulated behind the driver seat. The passenger is protected from rain and sun with a canopy. These pedicabs have features like double disc, hydraulic disc brakes and internal hub gears.

Makers of upright trikes include George Longstaff, Higgins, and Pashley Cycles in the UK. Italian company Di Blasi make a folding upright trike, which folds to a compact 68 x 28 x 62.5 cm. There are also many inexpensive, mass-produced upright trikes available through mass-market retailers. They are generally heavy and of uneven quality, but are suitable for occasional, low-demand riding, especially by those with mobility problems. - 21393

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