science

Kokusai Ku-7

Kokusai Ku-7 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 Kokusai Ku-7 rather than just read about it. In short: The Kokusai Ku-7 Manazuru (真鶴 "white-naped crane"; Allied code-name Buzzard) was a large, experimental twin boom Japanese military glider. Design and development An enlarged version of the earlier Maeda Ku-1 glider, it was developed during 1942.

Key takeaways

Kokusai Ku-7 belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Kokusai Ku-7 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Kokusai Ku-7 from memory before moving on to harder problems.

Reference excerpt

The Kokusai Ku-7 Manazuru (真鶴 "white-naped crane"; Allied code-name Buzzard) was a large, experimental twin boom Japanese military glider.

Design and development An enlarged version of the earlier Maeda Ku-1 glider, it was developed during 1942. The use of a twin boom design allowed for a large, square cargo door, which meant that the aircraft was capable of carrying either thirty-two soldiers, 7600 kg of cargo, or even a light tank. It required a powerful towing aircraft, either the Nakajima Ki-49 or the Mitsubishi Ki-67, which were in short supply. As a result, the aircraft were modified by fitting them with engines, which were designated the Ki-105 Ohtori (鳳 "Phoenix"). Intended for use as fuel transports, only nine, of 300 ordered, were produced before development priorities were shifted elsewhere.

Variants Ku-7: Large experimental military transport glider. Ku-7-II: Original designation for the Ki-105. Kokusai Ki-105 Ohtori: Long-range fuel tanker aircraft, powered by 2x 940 hp (700 kW) Mitsubishi Ha26-II 14-cylinder radial engines; nine built. Maximum take-off weight:12,500 kg (27,600 lb); normal payload:3,300 kg (7,300 lb); cruising speed:220 km/h (140 mph; 120 kn); maximum range: 2,500 km (1,600 mi; 1,300 nmi).

Specifications (Ku-7) Data from Encyklopedia Uzbrojenia, Japanese Aircraft of the Pacific WarGeneral characteristics Crew: 2 Capacity: 32 troops, equipped / 8 short tons (7,300 kg) tank / 75 mm (3.0 in) howitzer with 4 short tons (3,600 kg) tractor / 7,464 kg (16,455 lb) Length: 19.5 m (64 ft 0 in) Wingspan: 34.75 m (114 ft 0 in) Wing area: 119.7 m2 (1,288 sq ft) Aspect ratio: 10.8 Empty weight: 4,536 kg (10,000 lb) Gross weight: 12,000 kg (26,455 lb) Performance

Never exceed speed: 354 km/h (220 mph, 191 kn) Maximum towing speed: 201 km/h (125 mph; 109 kn)

Illustrations

Worked examples

Example 1 — a first encounter with Kokusai Ku-7

Start with the simplest possible case. Write down what Kokusai Ku-7 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 Kokusai Ku-7 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 Kokusai Ku-7 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 Kokusai Ku-7

In research: Kokusai Ku-7 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 Kokusai Ku-7 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: Kokusai Ku-7 is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1940s Japanese military transport aircraft, 1940s military gliders, Aircraft first flown in 1942, so understanding it makes those chapters shorter.
In everyday life: Look for Kokusai Ku-7 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 Kokusai Ku-7 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Kokusai Ku-7 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 Kokusai Ku-7 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Kokusai Ku-7 in simple terms?

The Kokusai Ku-7 Manazuru (真鶴 "white-naped crane"; Allied code-name Buzzard) was a large, experimental twin boom Japanese military glider. Design and development An enlarged version of the earlier Maeda Ku-1 glider, it was developed during 1942.

Why does Kokusai Ku-7 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 Kokusai Ku-7?

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 Kokusai Ku-7.