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196:, used for inflation, formed a suitable fuel for the engine, but limited the height to which the dirigible could ascend. Such trials as were made were carried out with the dirigible held captive. A full experiment was prevented because funds ran low, but Haenlein's work constituted a distinct advance on all that had been done previously.
177:, achieving 19 km/h. This airship was a direct forerunner of the Lebaudy type, 164 feet (50 m) in length, 30 feet (9.1 m) greatest diameter, and with a cubic capacity of 85,000 feet (26,000 m). The airship achieved 19 km/h. The tests were stopped later, because of a shortage of money.
153:-type motor obtained its fuel from the gas in the balloon. It had four horizontal cylinders, which delivered about 6 horsepower (4.5 kW) with a consumption of approximately 250 cubic feet (7.1 m) of gas per hour. With a mass of 233 kg and an
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A propeller of 15 feet (4.6 m) in diameter was driven by the Lenoir engine with 40 revolutions per minute. This was the first instance of the use of an internal combustion engine in connection with aeronautical experiments.
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This engine type had the disadvantage of requiring either a gas-producer or a large storage capacity for the gas, either of which makes the total weight of the power plant much greater than that of a petrol engine.
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of 2.7 kW. The gas was sucked from the envelope of the balloon, which was kept fully inflated by pumping in compensating air to the air bags inside the main envelope. Due to the consumption of gas, the
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In 1872 Haenlein obtained a U.S. patent (No. 130 915) to use the otherwise wasted gas in the dirigible's engines. On 13 December, Paul
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141:. Subsequently he worked as graduated civil engineer for different factories. He was the first to create a dirigible
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126:, those notabilities who led the economy, administration and culture of Mainz.
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decreased, so the range of the airship had been limited.
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Development of dirigible with internal combustion engine
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192:coating, with a thinner film on the outside.
184:The envelope of the dirigible was rendered
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227:Mainz the cradle of the dirigible airship
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294:Engineers from the Kingdom of Prussia
133:and pattern maker. He studied at the
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157:of 19.2 L it delivered a continuous
129:Haenlein received an education as a
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215:Wolfgang Metzger und Andrea Erne:
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210:Brockhaus Konversations-Lexikon
289:People from the Rhine Province
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219:Ravensburger Buchverlag, 2002
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122:. His family belonged to the
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259:German mechanical engineers
114:– 27 January 1905 in
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279:German aerospace engineers
147:internal combustion engine
145:which was powered by an
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188:by means of an internal
264:German airship aviators
284:Engineers from Cologne
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173:with a gas engine in
135:Technische Hochschule
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217:Alles über Flugzeuge
110:(17 October 1835 in
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155:engine displacement
131:mechanical engineer
103:Airship of Haenlein
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269:Airship designers
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139:Karlsruhe
120:dirigible
186:airtight
85:Engineer
233:airship
212:of 1895
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149:. This
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194:Syngas
190:rubber
151:Lenoir
77:German
175:Brünn
159:power
116:Mainz
67:Mainz
56:Died
35:Born
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