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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 coefficient (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 electric motor based on Magnequench permanent magnets. This kind of rare-earth magnets were in 1983 invented independently by the GM physics department and Sumitomo Special Metals. Both companies discovered and eventually were using/commercializing two significantly different manufacturing processes for this material class. The GM concept was commercialized under the Magnequench brand. That new motor was lightweight and efficient motor; GM stated its motor efficiency was around 92%. In 2011 its constructor won the IEEE Nikola Tesla Award.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).".
- 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 wikiPageLength "9309".
- Sunraycer wikiPageOutDegree "47".
- Sunraycer wikiPageRevisionID "696835891".
- Sunraycer wikiPageWikiLink Adelaide.
- Sunraycer wikiPageWikiLink AeroVironment.
- Sunraycer wikiPageWikiLink Alice_Springs.
- Sunraycer wikiPageWikiLink Australia.
- Sunraycer wikiPageWikiLink Australians.
- Sunraycer wikiPageWikiLink Auto_racing.
- Sunraycer wikiPageWikiLink Automobile_drag_coefficient.
- Sunraycer wikiPageWikiLink Category:Racing_cars.
- Sunraycer wikiPageWikiLink Category:Solar_car_racing.
- Sunraycer wikiPageWikiLink Chevrolet_Volt.
- Sunraycer wikiPageWikiLink Chief_executive_officer.
- Sunraycer wikiPageWikiLink Communications_satellite.
- Sunraycer wikiPageWikiLink Darwin,_Northern_Territory.
- Sunraycer wikiPageWikiLink Dirt_track_racing.
- Sunraycer wikiPageWikiLink Electric_motor.
- Sunraycer wikiPageWikiLink Engine_efficiency.
- Sunraycer wikiPageWikiLink General_Motors.
- Sunraycer wikiPageWikiLink General_Motors_EV1.
- Sunraycer wikiPageWikiLink Group_A_Sports_Cars.
- Sunraycer wikiPageWikiLink Hitachi_Metals.
- Sunraycer wikiPageWikiLink Hughes_Aircraft_Company.
- Sunraycer wikiPageWikiLink IEEE_Nikola_Tesla_Award.
- Sunraycer wikiPageWikiLink John_Harvey_(racing_driver).
- Sunraycer wikiPageWikiLink Kevlar.
- Sunraycer wikiPageWikiLink Magnequench.
- Sunraycer wikiPageWikiLink Magnet.
- Sunraycer wikiPageWikiLink Midget_car_racing.
- Sunraycer wikiPageWikiLink Nuna.
- Sunraycer wikiPageWikiLink Open-wheel_car.
- Sunraycer wikiPageWikiLink Paul_MacCready.
- Sunraycer wikiPageWikiLink Pole_position.
- Sunraycer wikiPageWikiLink Roger_Smith_(executive).
- Sunraycer wikiPageWikiLink Silver-oxide_battery.
- Sunraycer wikiPageWikiLink Smithsonian_Institution.
- Sunraycer wikiPageWikiLink Solar_cell.
- Sunraycer wikiPageWikiLink Solar_energy.
- Sunraycer wikiPageWikiLink Stuart_Highway.
- Sunraycer wikiPageWikiLink The_Quiet_Achiever.
- Sunraycer wikiPageWikiLink Touring_car_racing.
- Sunraycer wikiPageWikiLink UNSW_Sunswift.
- Sunraycer wikiPageWikiLink Watt.
- Sunraycer wikiPageWikiLink World_Solar_Challenge.
- Sunraycer wikiPageWikiLink File:GM_Sunraycer.JPG.
- Sunraycer wikiPageWikiLinkText "GM Sunraycer".
- Sunraycer wikiPageWikiLinkText "Sunraycer".
- Sunraycer wikiPageUsesTemplate Template:Citation_needed.
- Sunraycer wikiPageUsesTemplate Template:Convert.
- Sunraycer wikiPageUsesTemplate Template:Dubious.
- Sunraycer wikiPageUsesTemplate Template:Reflist.
- Sunraycer subject Category:Racing_cars.
- Sunraycer subject Category:Solar_car_racing.
- Sunraycer hypernym Car.
- Sunraycer type Automobile.
- Sunraycer type Model.
- Sunraycer type Car.
- Sunraycer type Model.
- Sunraycer type Vehicle.
- 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 sameAs Q2199296.
- Sunraycer sameAs サンレーサー.
- Sunraycer sameAs Sunraycer.
- Sunraycer sameAs m.0272n00.
- Sunraycer sameAs Q2199296.
- Sunraycer wasDerivedFrom Sunraycer?oldid=696835891.
- Sunraycer depiction GM_Sunraycer.JPG.
- Sunraycer isPrimaryTopicOf Sunraycer.