science

Scheibe Bergfalke

Scheibe Bergfalke 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 Scheibe Bergfalke rather than just read about it. In short: The Scheibe Bergfalke (German: "mountain hawk") is a German glider designed by Egon Scheibe as a post-World War II development of the Akaflieg München Mü13 produced before and during the war. Design and development The prototype flew on 5 August 1951 as the Akaflieg München Mü13E Bergfalke I and by the end of the year, Scheibe had established his own works at the Munich-Riem Airport to produce the type as the Bergfa…

Key takeaways

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

Reference excerpt

The Scheibe Bergfalke (German: "mountain hawk") is a German glider designed by Egon Scheibe as a post-World War II development of the Akaflieg München Mü13 produced before and during the war.

Design and development The prototype flew on 5 August 1951 as the Akaflieg München Mü13E Bergfalke I and by the end of the year, Scheibe had established his own works at the Munich-Riem Airport to produce the type as the Bergfalke II. It was a mid-wing sailplane of conventional design with a non-retractable monowheel undercarriage and a tailskid. The fuselage was a welded steel structure covered in fabric and enclosed two seats in tandem. The wings had a single wooden spar and were covered in plywood. Subsequent versions introduced forward sweep to the wings, a more aerodynamic canopy, airbrakes, and a tailwheel in place of the tailskid. By 1982, Scheibe had built over 300 of these aircraft, and Stark Ibérica built a number of the Bergfalke III version under license in Spain. Scheibe also developed a motorglider version as the Bergfalke IVM but this did not enter production. In 1976, two Bergfalke motorgliders participated in the Sixth German Motor Glider Competition. Later, one of these aircraft set a world 300 km triangle record.

Variants Mü13E Bergfalke I Prototype Bergfalke II First production version, 4° forward sweep on wings Bergfalke II/55 Skopil Bergfalke II/55 Motorglider conversion done by Arnold Skopil of Aberdeen, Washington, United States in 1957. One converted. Bergfalke III Streamlined canopy, taller fin and rudder, Schempp-Hirth airbrakes, 2° forward sweep on wings Bergfalke IV Wing of Wortmann section with 60-cm (2-ft) greater span Bergfalke IVM Motorglider version with 39-kW (52-hp) Hirth O-28 engine mounted on retractable pylon behind cockpit.

Specifications (Bergfalke II/55)

Data from The World's Sailplanes:Die Segelflugzeuge der Welt:Les Planeurs du Monde General characteristics Crew: 2 Length: 8 m (26 ft 3 in) Wingspan: 16.6 m (54 ft 6 in) Wing area: 17.7 m2 (191 sq ft) Aspect ratio: 15.6 Airfoil: Mü-Profil 14.5% Empty weight: 246 kg (542 lb) Max takeoff weight: 440 kg (970 lb) Performance

Stall speed: 60 km/h (37 mph, 32 kn) Never exceed speed: 160 km/h (99 mph, 86 kn) Rough air speed max: 120 km/h (75 mph; 65 kn) Aerotow speed: 120 km/h (75 mph; 65 kn) Winch launch max speed: 85 km/h (53 mph; 46 kn) Terminal velocity: 205 km/h (127 mph; 111 kn) (max all-up weight + full airbrakes / flaps) g limits: +4 -2 Maximum glide ratio: 28:1 at 80 km/h (50 mph; 43 kn) Rate of sink: 0.72 m/s (142 ft/min) at 72 km/h (45 mph; 39 kn) Wing loading: 24.8 kg/m2 (5.1 lb/sq ft)

Illustrations

Worked examples

Example 1 — a first encounter with Scheibe Bergfalke

Start with the simplest possible case. Write down what Scheibe Bergfalke 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 Scheibe Bergfalke 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 Scheibe Bergfalke 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 Scheibe Bergfalke

In research: Scheibe Bergfalke 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 Scheibe Bergfalke 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: Scheibe Bergfalke is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1950s German sailplanes, Aircraft first flown in 1951, Glider aircraft, so understanding it makes those chapters shorter.
In everyday life: Look for Scheibe Bergfalke 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 Scheibe Bergfalke in 20 minutes

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

Frequently asked questions

What is Scheibe Bergfalke in simple terms?

The Scheibe Bergfalke (German: "mountain hawk") is a German glider designed by Egon Scheibe as a post-World War II development of the Akaflieg München Mü13 produced before and during the war. Design and development The prototype flew on 5 August 1951 as the Akaflieg München Mü13E Bergfalke I and by…

Why does Scheibe Bergfalke 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 Scheibe Bergfalke?

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 Scheibe Bergfalke.