page_title: UNSW Sunswift
section_title: Sunswift IV (IVy) (2009 - 2011)
hierarchical_section_title: UNSW Sunswift / Sunswift IV (IVy) (2009 - 2011)
caption_attribution_description: English: Sunswift IVy during the World Solar-Car Speed Record attempt, HMAS Albatross, Nowra, NSW, Australia
context_page_description: The UNSW Solar Racing Team is the solar car racing team of the University of New South Wales in Sydney, Australia. The team currently holds a number of world records and is best known for its participation in the World Solar Challenge. Since its founding in 1996 by Byron Kennedy, the Sunswift team has built a total of 6 different cars, the most recent of which is Sunswift VI.
context_section_description: As with eVe, IVy was built to compete in the World Solar Challenge, specifically for the 2009 race. However, unlike eVe, IVy raced as part of the Challenger Class and Challenger Class Silicon, ending up finishing 4th overall despite being the first silicon powered car across the line. Overall, the entire project took approximately 18 months and $250,000 to complete. On January 7, 2011, at the Royal Australian Navy airbase, HMAS Albatross, IVy broke the Guinness World Record for the fastest solar powered vehicle. Australian racing driver Barton Mawer brought IVy to a top speed of 88.5 kilometres per hour (55.0 mph), beating the previous record of 22 years by over 10 kilometres per hour (6.2 mph). The rules of the record required that IVy be powered solely by the sun and with the entire battery pack removed, the car weighed only 140 kilograms (310 lb).
caption: Sunswift IVy during the Guinness World Record speed attempt.
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