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Bicycle drivetrain systems are used to transmit power on bicycles, tricycles, quadracycles, unicycles, or other human-powered vehicles from the riders to the drive wheels. Most also include some type of a mechanism to convert speed and torque via gear ratios .
Bicycle gearing is the aspect of a bicycle drivetrain that determines the relation between the cadence, the rate at which the rider pedals, and the rate at which the drive wheel turns. On some bicycles there is only one gear and, therefore, the gear ratio is fixed , but most modern bicycles have multiple gears and thus multiple gear ratios.
Rans Designs, previously called Rans Inc. (styled all in capitals as RANS), is an American aircraft and, formerly, a leading American recumbent bicycle and tricycle manufacturer, based in Hays, Kansas, United States. The company name is a portmanteau of the first and last names of the company founder, Randy Schlitter.
In the single-chain system, the chain runs from the top of a chainring attached to the cranks to the top of a sprocket attached to the rear wheel hub with a freewheel, as with most bicycle chain drives. The chain then, usually, wraps around the rear sprocket to an idler sprocket between the rear wheel and the cranks, then runs back to a second ...
Aircraft cargo containers being manipulated by mecanum wheels on a container loader while loading onto a Boeing 777 FTC Team 506 Pandara's Mechanum Drivetrain from Palm Harbor University High School. The US Navy bought the patent from Ilon and put researchers to work on it in the 1980s in Panama City, Florida. The US Navy has used it for ...
Disadvantages include: Implementations to date are heavier than those of bicycle chain and sprocket designs.; Though some of the components in a sealed hydraulic system maintain constant efficiency upwards of 95% in all conditions (see hydristor), the overall losses usually result in an efficiency of about 75% (power loss of about 25%, see hydraulic machinery).
Alpine A310 V6 GT. In 1976 the A310 was restyled by Robert Opron and fitted with the more powerful and newly developed 90-degree 2664 cc V6 PRV engine, as used in some Renaults, Volvos and Peugeots.
The Jacksonville-Baldwin Rail Trail is a rail trail that extends from northwest Jacksonville to Baldwin, Florida.While it is technically a city park, it includes three separate paths: a multi-use asphalt trail for hiking, jogging, in-line skating or cycling; an off-road bike trail; and a horseback riding trail.