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- Q697581 subject Q6191696.
- Q697581 subject Q6587462.
- Q697581 subject Q6901597.
- Q697581 subject Q7004326.
- Q697581 subject Q7029467.
- Q697581 subject Q7067494.
- Q697581 subject Q7927587.
- Q697581 subject Q8279490.
- Q697581 subject Q8396584.
- Q697581 subject Q8736374.
- Q697581 subject Q8871054.
- Q697581 subject Q9672377.
- Q697581 abstract "Template:ForConrad Haas (1509–1576) was an Austrian or Transylvanian Saxon military engineer for the Kingdom of Hungary and Principality of Transilvania.He is a pioneer of rocket propulsion. His designs include a three-stage rocket and a manned rocket.Haas was perhaps born in Dornbach (now part of Hernals, Vienna). He held the post of the Zeugwart (arsenal master) of the Imperial Austrian army under Ferdinand I. In 1551, Stephen Báthory, the grand prince of Transylvania invited Haas to Hermannstadt, Siebenbürgen (now Sibiu, Transylvania, Romania), where he acted as weapons engineer and also he started to teach at Klausenburg (now Cluj-Napoca).He wrote a German-language treatise on rocket technology, involving the combination of fireworks and weapons technologies. This manuscript was discovered in 1961, in the Sibiu public records (Sibiu public records Varia II 374).His work also dealt with the theory of motion of multi-stage rockets, different fuel mixtures using liquid fuel, and introduced delta-shape fins and bell-shaped nozzles.In the last paragraph of his chapter on the military use of rockets, he wrote (translated):"But my advice is for more peace and no war, leaving the rifles calmly in storage, so the bullet is not fired, the gunpowder is not burned or wet, so the prince keeps his money, the arsenal master his life; that is the advice Conrad Haas gives."Johann Schmidlap, a German fireworks maker, is believed to have experimented with staging in 1590, using a design he called "step rockets."Before discovery of Haas' manuscript, the first description of the three-stage rocket was in Poland credited to the Polish artillery specialist Kazimierz Siemienowicz in his 1650 work, Artis Magnae Artilleriae Pars Prima ("Great Art of Artillery, Part One").".
- Q697581 thumbnail Conrad_Haas.jpg?width=300.
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- Q697581 wikiPageWikiLink Q6191696.
- Q697581 wikiPageWikiLink Q6587462.
- Q697581 wikiPageWikiLink Q6901597.
- Q697581 wikiPageWikiLink Q7004326.
- Q697581 wikiPageWikiLink Q7029467.
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- Q697581 wikiPageWikiLink Q8871054.
- Q697581 wikiPageWikiLink Q9672377.
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- Q697581 type Thing.
- Q697581 comment "Template:ForConrad Haas (1509–1576) was an Austrian or Transylvanian Saxon military engineer for the Kingdom of Hungary and Principality of Transilvania.He is a pioneer of rocket propulsion. His designs include a three-stage rocket and a manned rocket.Haas was perhaps born in Dornbach (now part of Hernals, Vienna). He held the post of the Zeugwart (arsenal master) of the Imperial Austrian army under Ferdinand I.".
- Q697581 label "Conrad Haas".
- Q697581 depiction Conrad_Haas.jpg.