Sikorsky Aircraft and soon increased prize money to US$25,000. In 2010, Sikorsky Aircraft pledged to increase the prize sponsorship to US$250,000. The Canadian engineers Dr. Todd Reichert and Cameron Robertson developed the world's largest ever human powered helicopter with a team from the [[University of Toronto]]. The first flight of AeroVelo Atlas was achieved in August 2012, the 64-second, 3.3-m-flight that won the prize on June 13, 2013. Sikorsky designates nearly all of its models with S-numbers; numbers S-1 through S-27 were designed by [[Igor Sikorsky]] in the Russian Empire. Later models, especially helicopters, received multiple designations by the military services using
Igor Sikorsky Kyiv Polytechnic Institute September 2003. National Technical University of Ukraine “Kyiv Polytechnic Institute” positions in national and international ratings of the best Ukrainian educational institutions, employers ratings, etc. Igor Sikorsky Kyiv Polytechnic Institute The National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute" (NTUU "KPI") is a major university in Kiev, Ukraine. In January 2012 Webometrics Ranking KPI made it into top 1,000 – taking 957th place out of 20,300 universities, 510th (February 2013). The institute was founded on 31 August 1898 as the Kiev Polytechnic Institute of Emperor Alexander II, but its current building complex was not built until 1902. Until