engineering

Harliburg

Harliburg is a engineering topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Harliburg rather than just read about it. In short: The Harliburg (also Harlyburg or Herlingsberg) is a former imperial castle (Reichsburg) in the Harly Forest, in southeast Lower Saxony, Germany. Location The location of the former hillside castle (193 m above sea level (NN)) is about 1 km (as the crow flies) north-northeast of the town of Vienenburg (141 m above NN), in the county of Goslar and around 10 km (as the crow flies) northeast of the town of Goslar.

Key takeaways

Harliburg belongs to engineering; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Harliburg to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Harliburg from memory before moving on to harder problems.

Reference excerpt

The Harliburg (also Harlyburg or Herlingsberg) is a former imperial castle (Reichsburg) in the Harly Forest, in southeast Lower Saxony, Germany.

Location The location of the former hillside castle (193 m above sea level (NN)) is about 1 km (as the crow flies) north-northeast of the town of Vienenburg (141 m above NN), in the county of Goslar and around 10 km (as the crow flies) northeast of the town of Goslar. The River Oker flows below the castle site to the south and east, around the southeastern end of the Harly Forest. A few hundred metres southwest of the Harliburg, in the Oker valley, lies Lake Vienenburg (Vienenburger See). Almost exactly 2 km west-northwest is the hill of Harlyberg (255.9 m above NN), the highest point of the Harly Forest. A section of the A 395 motorway runs past the Harly Forest, a few hundred metres east of the old Harliburg, where it is crossed by the B 241 federal road.

History The Harliburg was built in 1203 by King Otto IV as an imperial stronghold. Like the Liebenburg, that stood around 10 km to the northwest, it was intended to threaten the access roads to Goslar, which were held by the Hohenstaufen lord, Philip of Swabia. In 1218, Otto himself stayed at the castle shortly before his death. In the late 13th century, the castle was transferred to the House of Welf. At the Diet of Erfurt in 1290, the Bishop of Hildesheim accused Henry the Admirable of Brunswick-Grubenhagen of breaking the Landfriede or "imperial peace" that had been in force since 12834, by tolerating highway robbery by the soldiers garrisoning the castle. As a result, the Herlingsberg War was precipitated, during which, in 1291, the Bishop of Hildesheim captured the Harliburg after a four-month siege, and had it slighted. Its stone was used inter alia to build the water castle of Wiedelah between 1292 and 1297, some 2 km southeast. The stone was also used in the construction of the nearby castle of Vienenburg in the town of the same name in 1300. Today the site of the former Harliburg is covered by dense forest, only the circular ramparts and moats remaining.

In literature The contemporary poet, Heinrich Rosla, from Nienburg published the Latin epic poem, Herlingsberga about the Harliburg.

References

Bibliography Ernst Andreas Friedrich: Die Wälle der Harliburg, pp. 137-139, in: Wenn Steine reden könnten. Vol. IV, Landbuch-Verlag, Hanover, 1998, ISBN 3-7842-0558-5

External links Information on the Harliburg with site plan Artist's impression of the castle in the Middle Ages

Illustrations

Worked examples

Example 1 — a first encounter with Harliburg

Start with the simplest possible case. Write down what Harliburg claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In engineering, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Harliburg before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Harliburg ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Harliburg

In research: Harliburg appears in engineering research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Harliburg in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Harliburg is common in secondary-school and first-year university syllabi. It links to neighbouring topics Buildings and structures completed in 1203, Castles in Lower Saxony, Imperial castles, so understanding it makes those chapters shorter.
In everyday life: Look for Harliburg outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Harliburg in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Harliburg means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Harliburg out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Harliburg in simple terms?

The Harliburg (also Harlyburg or Herlingsberg) is a former imperial castle (Reichsburg) in the Harly Forest, in southeast Lower Saxony, Germany. Location The location of the former hillside castle (193 m above sea level (NN)) is about 1 km (as the crow flies) north-northeast of the town of Vienenbu…

Why does Harliburg matter?

Because it connects several engineering ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Harliburg?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Harliburg.