astronomy

Start + Flug Hippie

Start + Flug Hippie is a astronomy 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 Start + Flug Hippie rather than just read about it. In short: The Start + Flug H-111 Hippie, later retailed as the Hänle Hippie is a basic single seat glider, its weight kept low with the use of modern composite materials. It can be foot launched or by other methods.

Key takeaways

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

Reference excerpt

The Start + Flug H-111 Hippie, later retailed as the Hänle Hippie is a basic single seat glider, its weight kept low with the use of modern composite materials. It can be foot launched or by other methods. It was designed and built in Germany in the 1970s.

Design and development The Hippie was designed by Ursula Hänle to be a very simple, light weight glider with an open frame fuselage reminiscent of 1930s single seat primary training aircraft but built from composite materials and with a more modern wing section. Empty, it weighs less than 50 kg (110 lb). It can be launched by winch, by aero tow or by foot. Foot launching on a 1 in 3 slope requires a headwind of just over 4 m/s (just under 9 mph). A dismantled Hippie fits into a 5 m × 1.10 m × 0.66 m (16 ft 5 × 3 ft 7 in × 2 ft 0 in) container. The wings of the Hippie are high set with noticeable positive dihedral. They are unswept, with constant chord and have small end-plate fairings at the tips. They are built from glass and carbon reinforced plastics, with plastic skins and braced to the lower fuselage with a single strut on each side. Glass and carbon reinforced plastics are used throughout the Hippie: the forward fuselage is a glass-fibre ring, mounted under the wing, which incorporates a windscreen, the pilot's seat and a small keel underneath which acts as the main undercarriage. Aft, there is an open, tapering Warren girder which carries the fabric-covered tail unit. The leading edge of the fin is formed from an extended diagonal fuselage member, with a vertical piece behind to support the rudder. The Hippie has a T-tail with a wire braced tailplane on top of the fin. There is a small loop tailskid at the bottom of the rudder post. A later version appeared with revised construction; it had wings built around a honeycomb structure, an extended, aluminium alloy tube rear fuselage and increases in rudder area and seating space.

Operational history Some thirty-five Hippies were built and operated in Germany and five other countries. One was flying near Adelaide, Australia at least until quite recently. No Hippies remained on the European civil registers in 2010.

Aircraft on display Sinsheim Auto & Technik Museum: H-111 Hippie

Specifications Data from Hardy 1982General characteristics Crew: One Length: 5.72 m (18 ft 9 in) Wingspan: 10.00 m (32 ft 10 in) Height: 1.40 m (4 ft 7 in) Wing area: 9.00 m2 (96.9 sq ft) Aspect ratio: 11.1 Airfoil: Wortmann Empty weight: 50 kg (110 lb) Max takeoff weight: 135 kg (298 lb) Performance

Maximum speed: 60 km/h (37 mph, 32 kn) Maximum glide ratio: maximum 12:1

References

Illustrations

Worked examples

Example 1 — a first encounter with Start + Flug Hippie

Start with the simplest possible case. Write down what Start + Flug Hippie claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, 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 Start + Flug Hippie 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 Start + Flug Hippie 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 Start + Flug Hippie

In research: Start + Flug Hippie appears in astronomy 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 Start + Flug Hippie 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: Start + Flug Hippie is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1970s German sailplanes, Aircraft first flown in 1974, Glider aircraft, so understanding it makes those chapters shorter.
In everyday life: Look for Start + Flug Hippie 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 Start + Flug Hippie in 20 minutes

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

Frequently asked questions

What is Start + Flug Hippie in simple terms?

Why does Start + Flug Hippie matter?

Because it connects several astronomy 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 Start + Flug Hippie?

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 Start + Flug Hippie.