Achen Lake
Lake Achen () is a lake in Austria, north of Jenbach in Tyrol. Lake Achen is also called "Fjord of the Alps" and "Tyrolean Sea". The largest lake within the federal state, its maximum depth is . Together with the Achen Valley, it parts the Karwendel mountain range in the west from the Brandenberg Alps in the east. Water quality is near that of drinking water, with sight up to below the surface. An alpine lake, water temperature is accordingly low, rarely above . Its size and wind conditions make it suitable for windsurfing. Eben am Achensee, Achenkirch, and Pertisau are municipalities on the lake. The Achensee and its hinterland serves as the model for the 'Tiernsee', setting of the Chalet School series of children's books by Elinor M. Brent-Dyer. History The city of Innsbruck bought the lake in 1919 from the St. Georgenberg-Fiecht Abbey, who had received it from the rulers of Schlitters around 1120. Due to various texts and illustrations in the hunting and ...
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State Of Tyrol
Tyrol ( ; ; ) is an Austrian federal state. It comprises the Austrian part of the historical Princely County of Tyrol. It is a constituent part of the present-day Euroregion Tyrol–South Tyrol–Trentino (together with South Tyrol and Trentino in Italy). The capital of Tyrol is Innsbruck. Geography Tyrol is separated into two parts, divided by a strip of Salzburg State. The two constituent parts of Tyrol are the northern and larger North Tyrol () and the southeastern and smaller East Tyrol ('). Salzburg State lies to the east of North Tyrol, while on the south Tyrol has a border to the Italian province of South Tyrol, which was part of the Austro-Hungarian Empire before the First World War. With a land area of , Tyrol is the third-largest federal state in Austria. North Tyrol shares its borders with the federal states Salzburg in the east and Vorarlberg in the west. In the north, it adjoins the German federal state of Bavaria; in the south, it shares borders with th ...
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Tiroler Wasserkraft
Tiroler Wasserkraft AG (TIWAG) is an Austrian company that generates electricity from hydropower based in Innsbruck, Austria. The company mainly produces electricity through hydropower. The company operates several hydropower plants in the Tyrol region of Austria, including the Kühtai, Pitztal, and Martell power plants. It operates the Amlach power station on the river Drava The Drava or Drave (, ; ; ; ; ), historically known as the Dravis or Dravus, is a river in southern Central Europe.

Inntal
The Inntal is the valley containing the Inn river in Switzerland, Austria and Germany. The valley has a total length of 517 km and the biggest city located in Inntal is Innsbruck. The valley is divided into the following sections based on regional and national frontiers: * Engadin (Switzerland) * Tyrolean Inntal ( Tirol, Austria) * Bavarian Inntal (Bavaria, Germany) * Upper Austrian Inntal (Upper Austria, Austria Austria, formally the Republic of Austria, is a landlocked country in Central Europe, lying in the Eastern Alps. It is a federation of nine Federal states of Austria, states, of which the capital Vienna is the List of largest cities in Aust ...) References Valleys of Europe Inn (river) {{Graubünden-geo-stub ...
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Diesel Engine
The diesel engine, named after the German engineer Rudolf Diesel, is an internal combustion engine in which Combustion, ignition of diesel fuel is caused by the elevated temperature of the air in the cylinder due to Mechanics, mechanical Compression (physics), compression; thus, the diesel engine is called a compression-ignition engine (CI engine). This contrasts with engines using spark plug-ignition of the air-fuel mixture, such as a petrol engine (gasoline engine) or a gas engine (using a gaseous fuel like natural gas or liquefied petroleum gas). Introduction Diesel engines work by compressing only air, or air combined with residual combustion gases from the exhaust (known as exhaust gas recirculation, "EGR"). Air is inducted into the chamber during the intake stroke, and compressed during the compression stroke. This increases air temperature inside the Cylinder (engine), cylinder so that atomised diesel fuel injected into the combustion chamber ignites. The torque a dies ...
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Austria-Hungary
Austria-Hungary, also referred to as the Austro-Hungarian Empire, the Dual Monarchy or the Habsburg Monarchy, was a multi-national constitutional monarchy in Central Europe#Before World War I, Central Europe between 1867 and 1918. A military and diplomatic alliance, it consisted of two sovereign states with a single monarch who was titled both the Emperor of Austria and the King of Hungary. Austria-Hungary constituted the last phase in the constitutional evolution of the Habsburg monarchy: it was formed with the Austro-Hungarian Compromise of 1867 in the aftermath of the Austro-Prussian War, following wars of independence by Hungary in opposition to Habsburg rule. It was dissolved shortly after Dissolution of Austria-Hungary#Dissolution, Hungary terminated the union with Austria in 1918 at the end of World War 1. One of Europe's major powers, Austria-Hungary was geographically the second-largest country in Europe (after Russian Empire, Russia) and the third-most populous (afte ...
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Rack Railway
A rack railway (also rack-and-pinion railway, cog railway, or cogwheel railway) is a steep grade railway with a toothed rack rail, usually between the running rails. The trains are fitted with one or more cog wheels or pinions that mesh with this rack rail. This allows the trains to operate on steep gradients of 100% (45 degrees) or more, well above the 10% maximum for friction-based rail. The rack and pinion mechanism also provides more controlled braking and reduces the effects of snow or ice on the rails. Most rack railways are mountain railways, although a few are transit railways or tramways built to overcome a steep gradient in an urban environment. The first cog railway was the Middleton Railway between Middleton and Leeds in West Yorkshire, England, United Kingdom, where the first commercially successful steam locomotive, ''Salamanca'', ran in 1812. This used a rack and pinion system designed and patented in 1811 by John Blenkinsop. The first mountain cog railw ...
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Narrow Gauge Railway
A narrow-gauge railway (narrow-gauge railroad in the US) is a railway with a track gauge (distance between the rails) narrower than . Most narrow-gauge railways are between and . Since narrow-gauge railways are usually built with Minimum railway curve radius, tighter curves, smaller structure gauges, and lighter Rail profile, rails; they can be less costly to build, equip, and operate than standard- or broad-gauge railways (particularly in mountainous or difficult terrain). Lower-cost narrow-gauge railways are often used in mountainous terrain, where engineering savings can be substantial. Lower-cost narrow-gauge railways are often built to serve industries as well as sparsely populated communities where the traffic potential would not justify the cost of a standard- or broad-gauge line. Narrow-gauge railways have specialised use in mines and other environments where a small structure gauge necessitates a small loading gauge. In some countries, narrow gauge is the standard: Ja ...
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Achenseebahn
The Achensee Railway (, ) is a long metre gauge railway running between Jenbach () and Seespitz () on Lake Achen in Tyrol (Austria). Within its length it rises some in height, with the steeper sections using the Riggenbach rack system. It is Europe's oldest cog railway which is still steam operated. History In 1886, Theodor Friedrich Freiherr von Dreifuss proposed to connect Jenbach to the Achensee. Despite concerns by villagers in the area, the proposal was supported by the monastery at Fiecht, which owned the Achensee and ran steam boats on the lake. Consent to build the line was given on 1 August 1888 by Emperor Franz Josef. The line was constructed by the Soenderop Company of Berlin. The official opening of the line was on 8 June 1889. The line originally ended a short distance short of the pier for the steamboats as it was intended to run a luggage service between Seespitz station and the pier at an extra charge. The railway was extended to a new station serving the ...
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Steamboat
A steamboat is a boat that is marine propulsion, propelled primarily by marine steam engine, steam power, typically driving propellers or Paddle steamer, paddlewheels. The term ''steamboat'' is used to refer to small steam-powered vessels working on lakes, rivers, and in short-sea shipping. The development of the steamboat led to the larger steamship, which is a seaworthy and often ocean-going ship. Steamboats sometimes use the ship prefix, prefix designation SS, S.S. or S/S (for 'Screw Steamer') or PS (for 'Paddle Steamer'); however, these designations are most often used for steamships. Background Limitations of the Newcomen steam engine The first steamboat designs used Newcomen atmospheric engine, Newcomen steam engines. These engines were large, heavy, and produced little power, which resulted in an unfavorable power-to-weight ratio. The heavy weight of the Newcomen engine required a structurally strong boat, and the reciprocating motion of the engine beam required a compli ...
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