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- Sunraycer abstract "The Sunraycer was a solar powered race car designed to compete in the world's first race featuring solar-powered cars. This race is now called the World Solar Challenge. The Sunraycer, a joint collaboration between General Motors, AeroVironment, and Hughes Aircraft, won the first race in 1987 by a huge margin. The teams lead driver was Australian John Harvey, a driver with (at the time) nearly 40 years experience racing speedcars (Speedway), open wheelers, sports cars and touring cars. Harvey was involved with the testing and development of the Sunraycer at the General Motors Proving Ground, Arizona.The Sunraycer project started with a request from GM's Australian division to GM Headquarters to participate in the upcoming Solar Challenge. This race, to be held in Australia in late 1987 would feature purely solar powered cars. Roger Smith, the CEO of GM, was immediately interested in the idea and he agreed to fund a study to see if a solar powered car could be built within 10 months. Smith hired AeroVironment to do the study. A month later, AeroVironment engineers concluded that a highly competitive car could be built within the time available. AeroVironment, led by their famous owner/engineer Paul MacCready was given the contract to build what would be called the Sunraycer.During the conceptual process, the constant goal was to create a very low-weight and ultra-low wind resistance vehicle. With this in mind, AeroVironment produced a design (resembling a futuristic streamlined cockroach) that proved to be very lightweight (only 585 lb (265 kg)) and created a very low drag co-efficient (Cd: 0.125). Sunraycer was fast and capable of a top speed of 109 km/h (68 mph).A total of 8800 solar cells were manufactured and installed by a team, from Hughes Aircraft, which had a great deal of experience with photovoltaic cells used in the many communications satellites that they designed and built. At high noon, the car would generate about 1500 watts of power.The engine was created for the Sunraycer by GM using a brand new magnetic motor based on Magnequench magnets recently invented by the GM physics department. This new motor was lightweight and efficient motor; GM stated its motor efficiency was around 92%.Aside from the driver, the single heaviest element in the car was the Hughes battery pack that utilized silver-oxide batteries. These batteries were included to provide extra power when passing trucks, to smooth out the performance of the vehicle, and because the race rules mandated driving only between the hours of 8 AM to 5 PM, but the cars were allowed to charge their batteries from sunlight even when they were not on the road. (So, the battery allowed driving during allowed hours even when the weather was overcast.)The frame of the car weighed just 14 pounds. AeroVironment engineers made use of Kevlar for the shell of the car. The Sunraycer was tested through the spring and summer of 1987, and it had no problems. During the testing period, the team had the time to set a new world speed record with the Sunraycer, achieving a speed of 36 mph (58 km/h) from solar power alone (breaking the old record by 10 mph).[citation needed]".
- Sunraycer thumbnail GM_Sunraycer.JPG?width=300.
- Sunraycer wikiPageExternalLink object_362.html.
- Sunraycer wikiPageExternalLink maccready.html.
- Sunraycer wikiPageExternalLink view.cfm?section=article&storyid=1053.
- Sunraycer wikiPageExternalLink sunraycer_general_motors.htm.
- Sunraycer wikiPageExternalLink maccready.html.
- Sunraycer wikiPageID "8416444".
- Sunraycer wikiPageRevisionID "565810821".
- Sunraycer hasPhotoCollection Sunraycer.
- Sunraycer subject Category:Racing_cars.
- Sunraycer subject Category:Solar_car_racing.
- Sunraycer type Artifact100021939.
- Sunraycer type Car102958343.
- Sunraycer type Container103094503.
- Sunraycer type Conveyance103100490.
- Sunraycer type Instrumentality103575240.
- Sunraycer type MotorVehicle103791235.
- Sunraycer type Object100002684.
- Sunraycer type PhysicalEntity100001930.
- Sunraycer type Racer104037443.
- Sunraycer type RacingCars.
- Sunraycer type Self-propelledVehicle104170037.
- Sunraycer type Vehicle104524313.
- Sunraycer type WheeledVehicle104576211.
- Sunraycer type Whole100003553.
- Sunraycer comment "The Sunraycer was a solar powered race car designed to compete in the world's first race featuring solar-powered cars. This race is now called the World Solar Challenge. The Sunraycer, a joint collaboration between General Motors, AeroVironment, and Hughes Aircraft, won the first race in 1987 by a huge margin. The teams lead driver was Australian John Harvey, a driver with (at the time) nearly 40 years experience racing speedcars (Speedway), open wheelers, sports cars and touring cars.".
- Sunraycer label "Sunraycer".
- Sunraycer label "Sunraycer".
- Sunraycer label "サンレーサー".
- Sunraycer sameAs サンレーサー.
- Sunraycer sameAs Sunraycer.
- Sunraycer sameAs m.0272n00.
- Sunraycer sameAs Q2199296.
- Sunraycer sameAs Q2199296.
- Sunraycer sameAs Sunraycer.
- Sunraycer wasDerivedFrom Sunraycer?oldid=565810821.
- Sunraycer depiction GM_Sunraycer.JPG.
- Sunraycer isPrimaryTopicOf Sunraycer.