science

Steinhuder Hecht

Steinhuder Hecht is a science 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 Steinhuder Hecht rather than just read about it. In short: The Steinhude pike (German: Steinhuder Hecht) from 1772 is said to be the first submarine built in Germany. The engineer and officer Jakob Chrysostomus Praetorius drafted a construction made of oak wood, in the shape of a fish with sails and mobile rear.

Key takeaways

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

Reference excerpt

The Steinhude pike (German: Steinhuder Hecht) from 1772 is said to be the first submarine built in Germany.

The engineer and officer Jakob Chrysostomus Praetorius drafted a construction made of oak wood, in the shape of a fish with sails and mobile rear. Allegedly, the plan was presented to William, Count of Schaumburg-Lippe in 1762. After an initial rejection it was built in 1772 at the island fortress Wilhelmstein in a reduced version. It is said to have dived in the Steinhuder Meer, a large lake, for 12 minutes. However, as the lake has a maximum depth of 2.9 metres (9 ft 6 in) this claim is dubious. While the range of the Steinhude pike must have been limited, Count Wilhelm, according to a local legend, wanted to sail to Portugal with it. However, its military purpose was to connect the fortification with the allies of Schaumburg-Lippe, especially Britain, Braunschweig-Lüneburg and Prussia in the event of a siege. Today a model and construction plans are exhibited in the military museum Wilhelmstein. The Wilhelmstein was the planned base for the Steinhude pike.

General references

External links steinhuder-meer.de (in German) date retrieved 21 August 2016

Illustrations

Steinhuder Hecht: Contemporary sketch — Contemporary sketch

Worked examples

Example 1 — a first encounter with Steinhuder Hecht

Start with the simplest possible case. Write down what Steinhuder Hecht claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, 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 Steinhuder Hecht 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 Steinhuder Hecht 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 Steinhuder Hecht

In research: Steinhuder Hecht appears in science 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 Steinhuder Hecht 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: Steinhuder Hecht is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1772 ships, Age of Sail submarines, German inventions, so understanding it makes those chapters shorter.
In everyday life: Look for Steinhuder Hecht 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 Steinhuder Hecht in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Steinhuder Hecht 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 Steinhuder Hecht out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Steinhuder Hecht in simple terms?

The Steinhude pike (German: Steinhuder Hecht) from 1772 is said to be the first submarine built in Germany. The engineer and officer Jakob Chrysostomus Praetorius drafted a construction made of oak wood, in the shape of a fish with sails and mobile rear.

Why does Steinhuder Hecht matter?

Because it connects several science 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 Steinhuder Hecht?

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 Steinhuder Hecht.