BSA W33-7

Last updated

BSA W33-7
Manufacturer BSA
Production1933
Engine 499cc four stroke single
Transmission Four speed gearbox to rear chain
Wheelbase 54 in (1,400 mm)

The BSA W33-7 was a British motorcycle made by BSA at their factory in Small Heath, Birmingham in 1933.

Motorcycle Two- or three-wheeled motor vehicle

A motorcycle, often called a bike, motorbike, or cycle, is a two- or three-wheeled motor vehicle. Motorcycle design varies greatly to suit a range of different purposes: long distance travel, commuting, cruising, sport including racing, and off-road riding. Motorcycling is riding a motorcycle and related social activity such as joining a motorcycle club and attending motorcycle rallies.

Birmingham Major city in the English Midlands, 2nd highest population of UK cities

Birmingham is a major city in the West Midlands, England and is the second-largest city and metropolitan area in England and the United Kingdom, with roughly 1.1 million inhabitants within the city area and 3.8 million inhabitants within the metropolitan area. This also makes Birmingham the 17th largest city and 8th largest metropolitan area in the European Union. Birmingham is commonly referred to as the nation's "second city".

Contents

Development

The BSA W33-7 was a 499cc 4.99 hp over head valve single cylinder four stroke. The full duplex cradle frame had fixings for a sidecar fitted as standard. The fuel tank was chrome plated with green side panels. [1] The 6 volt electrical switches and ammeter were mounted in the middle of the top of the fuel tank. Only produced in 1933 it was replaced by the BSA W33-8 BSA Blue Star in the same year. [2]

Ammeter electric measuring instrument

An ammeter is a measuring instrument used to measure the current in a circuit. Electric currents are measured in amperes (A), hence the name. Instruments used to measure smaller currents, in the milliampere or microampere range, are designated as milliammeters or microammeters. Early ammeters were laboratory instruments which relied on the Earth's magnetic field for operation. By the late 19th century, improved instruments were designed which could be mounted in any position and allowed accurate measurements in electric power systems. It is generally represented by letter 'A' in a circle.

BSA Blue Star A British single cylinder motorcycle, produced by BSA in the 1930s.

The BSA Blue Star is a British motorcycle made by BSA at their factory in Small Heath, Birmingham. The Blue Star range was produced between 1932 and 1936. In 1936 a slightly uprated sports version called the BSA Empire Star was launched with the Blue Star remaining in the model range and called the “New Blue Star, Q21”. The Blue Star became known for its reliability and handling. In 1937 an entirely new engine designed by Val Page featured in the Empire Star and the Blue Star was dropped from the range. The Empire Star developed into the famous Gold Star in 1938.

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References

  1. "BSA 4.99hp. OHV" (PDF). Retrieved 31 October 2010.
  2. "List of BSA Models" (PDF). Retrieved 31 October 2010.