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1927 Johnson Seahorse outboard motor at the Tellus Science Museum. The original company that made Johnson inboard motors and outboard motors was the Johnson Brothers Motor Company of Terre Haute, Indiana, United States. They started building inboard 2-cycle marine engines in 1903 in a barn behind the house, along with matching boats.
The firm immediately began to develop its first outboard motor, a one-cylinder, 1.5 hp (1.1 kW) model, which became an instant success upon its introduction in 1909. [3] Because of Bessie's poor health, the Evinrudes sold their company in 1913, and Ole agreed to not re-enter the outboard motor business for five years.
Iver Johnson was born in 1841 [2] in Nordfjord, Sogn og Fjordane county, Norway. [3] He was educated as a gunsmith in Bergen in 1857, and had a gun store in Oslo. Johnson emigrated from Norway to Worcester, Massachusetts, United States in 1863, and
Johnson Boat Works was a builder and developer of racing sailboats of the scow design in White Bear Lake, Minnesota. It was founded in 1896, by John O. Johnson who had emigrated from Norway in 1893. After working with Gus Amundson [ who? ] for three years, Johnson started his own boat-building business in 1896.
Brake-specific fuel consumption (BSFC) is a measure of the fuel efficiency of any prime mover that burns fuel and produces rotational, or shaft power. It is typically used for comparing the efficiency of internal combustion engines with a shaft output.
[4] [5] The boat had a complement of five crewmen and could carry up to eight soldiers. The boat was powered by two 430 hp General Motors 12V71 diesel engines giving a top speed of 14.8 knots and it expelled its exhaust directly into the water reducing noise and smoke emissions, making it the quietest river patrol craft. The boat carried some ...
A Johnson bar activated parking/emergency brake on a 1930s White transit bus. Johnson bar is the term for several different hand-operated levers used in vehicles. Their distinguishing feature is a positive latch, typically spring-loaded, to hold the lever in a selected position, capable of being operated with one hand.
The car is 16.50 m (54.1 ft) long and 3.7 m (12 ft) wide and has a curb weight of 10.6 tons. It had a reported thrust of 223 kN (approximately 50,000 pounds force) at some operating condition. Jet engines are not designed to operate at peak airspeed while still in ground effect ; a proper estimate would need to take this into account.