Ján Bahýľ (25 May 1845, Zvolenská Slatina (in Hungarian: Nagyszalatna) (Kingdom of Hungary, today Slovakia) - 13 March 1916, Pressburg (Hungarian: Pozsony, today:Bratislava)) was a Slovak inventor mainly of flying machines. He is the inventor of the modern helicopter. May 25 is the 145th day of the year in the Gregorian calendar (146th in leap years). ... 1845 was a common year starting on Wednesday (see link for calendar). ... The Kingdom of Hungary is the name of a multiethnic kingdom that existed in Central Europe from 1000 to 1918. ... March 13 is the 72nd day of the year in the Gregorian calendar (73rd in leap years). ... 1916 is a leap year starting on Saturday (link will take you to calendar) Events January-February January 1 -The first successful blood transfusion using blood that had been stored and cooled. ... Bratislava is the capital of Slovakia and the countrys largest city, with a population of some 430,000. ... A helicopter is an aircraft which is lifted and propelled by one or more large horizontal rotors (propellers). ...

Early life

In 1869, Bahýľ graduated from the famous Mining Academy of Banská ?tiavnica (Selmecbánya) with a diploma in technical drawing. Banská Štiavnica (Hungarian: Selmecbánya, German: Schemnitz) is a town in central Slovakia in the Štiavnické vrchy (Štiavnica Mountains). ...

During his one year term in the army, his superiors noticed him, because he made some technical improvements for the army of the Kingdom of Hungary. Thus, he was enrolled into the technical staff. Besides being entrusted with complex building tasks while in the army, Bahyl was able to study at the Vienna Military Academy. He graduated from the academy in 1879 and was made a lieutenant. The Kingdom of Hungary is the name of a multiethnic kingdom that existed in Central Europe from 1000 to 1918. ... Vienna (German: Wien [viːn]) is the capital of Austria, and also one of Austrias nine federal states (Bundesland Wien). ... 1879 was a common year starting on Wednesday (see link for calendar). ... A Lieutenant is a military, paramilitary or police officer. ...

During his time in the army Bahyl was able to work on a number of inventions, many of which involved hydraulics. Hydraulics is a branch of science and engineering concerned with the use of liquids to perform mechanical tasks. ...

Inventions

Steam tank, tank pump, air balloons

His first invention, which was actually financed from his own money, was called the Steam Tank. The Steam Tank was bought by the Russian army.

Bahyl was granted seventeen patents in all, including the invention of the tank pump, air balloons combined with an air turbine, the first petrol engine car in Slovakia (along with Anton Marschall) and a lift inside the castle hill up to the Bratislava Castle. A patent is a set of exclusive rights granted by a government to a person for a fixed period of time in exchange for the regulated, public disclosure of certain details of an invention. ... Balloons are often used or given on special occasions, like cards or flowers. ... Bratislava Castle - Wikipedia /**/ @import /skins/monobook/IE50Fixes. ...

In 1894, he designed flying balloons combined with an air turbine. 1894 was a common year starting on Monday (see link for calendar). ... A tall tower holds a wind turbine aloft where winds are consistently stronger. ...

Helicopter

The emperor Franz Joseph granted him a patent numbered 3392 on 13 August 1895. He constructed an improved helicopter in 1901 that ascended to a height of 0.5 meters. In 1903 he reached 1.5 meters and on 5 May 1905 he flew up using his petrol-engine helicopter to a height of four meters for over 1500 meters. His attempt was also recorded by the International Airship Organisation. Franz Joseph I Franz Joseph I (in English also Francis Joseph) ( August 18, 1830 – November 21, 1916) of the Habsburg Dynasty was Emperor of Austria and King of Bohemia from 1848 until 1916 and King of Hungary from 1867 until 1916. ... August 13 is the 225th day of the year in the Gregorian Calendar (226th in leap years), with 140 days remaining. ... 1895 was a common year starting on Tuesday (see link for calendar). ... 1901 was a common year starting on Tuesday (see link for calendar). ... 1903 has the latest occurring solstices and equinoxes for 400 years, because the Gregorian calendar hasnt had a leap year for seven years or a century leap year since 1600. ... May 5 is the 125th day of the year in the Gregorian Calendar (126th in leap years). ... 1905 was a common year starting on Sunday (see link for calendar). ... A helicopter is an aircraft which is lifted and propelled by one or more large horizontal rotors (propellers). ...