engineering

Wilhelm Kress

Wilhelm Kress 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 Wilhelm Kress rather than just read about it. In short: Wilhelm Kress (29 July 1836 in Saint Petersburg – 24 February 1913 in Vienna) Born of German (Bavarian) parents in St. Petersburg in 1836.

Key takeaways

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

Reference excerpt

Wilhelm Kress (29 July 1836 in Saint Petersburg – 24 February 1913 in Vienna) Born of German (Bavarian) parents in St. Petersburg in 1836. Moved to Vienna in 1873, where his self-propelled flying models attracted much attention. He became a naturalized Austrian.

Life Kress came to Vienna in 1873, where he developed the first modern delta-flying hang glider in 1877. This hang-glider was a major achievement for the time, when many engineers still struggled with the development of "heavier-than-air" non-powered aircraft. He also displayed rubber band powered flying models called the 'Aeroveloce' in 1877 and 1880. During the turn of the century he was one of the world-wide contestants for the creation of a break-through powered airplane. In 1900 he developed the control stick for aircraft, but did not apply for a patent (instead, a patent was awarded to the French aviator, Robert Esnault-Pelterie who applied for it in 1907). Kress' aircraft, the Drachenflieger, was constructed for water takeoff and achieved some brief hops in 1901 at the Wienerwaldsee near Vienna. A longer controlled flight was not possible because the engine (made by Daimler) was twice as heavy as Kress had specified in his order, and could be operated only at half of its nominal power output. During one of his attempts at flight taking off from water, his plane was destroyed when it became entangled on debris floating in the lake.

See also Wright brothers Aviation List of Austrian scientists List of Austrians

References Aviation - The Pioneer Years

Illustrations

Worked examples

Example 1 — a first encounter with Wilhelm Kress

Start with the simplest possible case. Write down what Wilhelm Kress 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 Wilhelm Kress 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 Wilhelm Kress 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 Wilhelm Kress

In research: Wilhelm Kress 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 Wilhelm Kress 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: Wilhelm Kress is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1836 births, 1913 deaths, 19th-century engineers from the Russian Empire, so understanding it makes those chapters shorter.
In everyday life: Look for Wilhelm Kress 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 Wilhelm Kress in 20 minutes

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

Frequently asked questions

What is Wilhelm Kress in simple terms?

Wilhelm Kress (29 July 1836 in Saint Petersburg – 24 February 1913 in Vienna) Born of German (Bavarian) parents in St. Petersburg in 1836.

Why does Wilhelm Kress 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 Wilhelm Kress?

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 Wilhelm Kress.