ArticleslgStudy

science

HDMS Hauch

HDMS Hauch 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 HDMS Hauch rather than just read about it. In short: HDMS Hauch was a Danish gunboat, launched in 1862 and under command the following year. It was named after the naval officer Jens Erik Hauch, who died during the Battle of Copenhagen, while bravely defending the decommissioned frigate Kronborg against three Royal Navy ships of the line.

HDMS Hauch — main illustration
HDMS Hauch — illustration

Key takeaways

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

Reference excerpt

HDMS Hauch was a Danish gunboat, launched in 1862 and under command the following year. It was named after the naval officer Jens Erik Hauch, who died during the Battle of Copenhagen, while bravely defending the decommissioned frigate Kronborg against three Royal Navy ships of the line. Hauch can be viewed as a scaled-down version of the preceding six gunboats of the Thura class. Hauch was built entirely in iron and the smaller size meant that it could only accommodate a single cannon. The 30 lb smoothbore cannon was not very accurate and was replaced by a smaller, but rifled 18 lb cannon in 1864. Towards the end of her career the armament consisted of two small smoothbore cannons (falconets), used for warning shots during fisheries inspection duties. The steam engine was reused from the scrapped gunboat Støren. This engine lasted until 1886, when it was replaced by a new Burmeister & Wain 200 HP steam engine.

Duty Hauch, under command of Lieutenant William August Carstensen and a crew of 25 entered service in July 1863 as flagship of a steamship squadron of rear admiral C.E. van Dockum. The squadron consisted of HDMS Absalon, HDMS Esbern Snare, HDMS Fylla, HDMS Willemoes, HDMS Buhl, HDMS Krieger and HDMS Marstrand. However, the ship did not live up to expectations. It was first and foremost too slow, most likely due to the small length, as it was designed to fit the locks on the Eider Canal. The ship was under command of lieutenant Peter Urban Bruun with a crew of 24 during the second Schleswig War in 1864, but never engaged in fighting. After the war it was considered to sell the ship, but instead Hauch was placed on land for the next 16 years. Here she remained until 1880, where a need for a fisheries inspection vessel arose.

Marine surveys

Between 1880 and 1896 Hauch served as a fisheries inspection vessel for the Kattegat and Danish Straits, typically from March through November. The zoologist C.G. Johannes Petersen participated in many of the cruises, in particular in the years 1883-1886. This resulted in a report on the scientific results of the investigations, often seen as the first major contribution to the research field marine benthic ecology, as C.G. Johannes Petersen realised that there were pronounced patterns in the distribution of the different species. Certain species seemed to always occur together, which led him as the first to define the concept of a benthic community. Hauch was decommissioned in 1900. The engine was removed and reused in refitting the steam ferry Sallingsund into a fisheries research vessel. The hull of Hauch was sold for scrap in 1901 for 2,100 kroner.

References

External links

The registry of Hauch. From archive.org

Illustrations

HDMS Hauch illustration
HDMS Hauch: HDMS Hauch in her later years, where experiments with rigging her with sails were performed
HDMS Hauch in her later years, where experiments with rigging her with sails were performed

Worked examples

Example 1 — a first encounter with HDMS Hauch

Start with the simplest possible case. Write down what HDMS Hauch 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 HDMS Hauch 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 HDMS Hauch 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 HDMS Hauch

In research
HDMS Hauch 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 HDMS Hauch 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
HDMS Hauch is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1862 ships, Gunboats of the Royal Danish Navy, Research vessels of Denmark, so understanding it makes those chapters shorter.
In everyday life
Look for HDMS Hauch 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.

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study HDMS Hauch in 20 minutes

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

Frequently asked questions

What is HDMS Hauch in simple terms?

HDMS Hauch was a Danish gunboat, launched in 1862 and under command the following year. It was named after the naval officer Jens Erik Hauch, who died during the Battle of Copenhagen, while bravely defending the decommissioned frigate Kronborg against three Royal Navy ships of the line.

Why does HDMS Hauch 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 HDMS Hauch?

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 HDMS Hauch.

Tags

  • 1862 ships
  • Gunboats of the Royal Danish Navy
  • Research vessels of Denmark
  • Ships built in Copenhagen

Keep exploring