science

ICA IAR-35

ICA IAR-35 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 ICA IAR-35 rather than just read about it. In short: The ICA IAR-35 is a Romanian glider designed and built in the 1980s primarily for aerobatics, though capable of general purpose use. Several production prototypes were constructed.

Key takeaways

ICA IAR-35 belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect ICA IAR-35 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of ICA IAR-35 from memory before moving on to harder problems.

Reference excerpt

The ICA IAR-35 is a Romanian glider designed and built in the 1980s primarily for aerobatics, though capable of general purpose use. Several production prototypes were constructed.

Design and development The IAR-35 is an all-metal, single seat, short span glider developed for aerobatic flight. Its three spar shoulder wing, with metal ribs and bonded metal skinning, has a constant chord centre section and tapered outer panels. There is no dihedral on the centre section but 2° outboard. The whole trailing edge is occupied by all-metal, statically balanced ailerons, each fitted with an automatic trim tab. DFS (Schempp-Hirth) airbrakes extend both above and below the wings. Its fuselage is a metal semi-monocoque with aluminium alloy framing and duralumin skin. The cockpit is ahead of the wing with the pilot under a long, single piece Perspex canopy. On the underside, below the wing there is a monowheel, fitted with a brake, which retracts behind a pair of doors. The IAR-35 also has a fixed, semi-recessed tailwheel and a skid under the nose. The wing tips are protected by small, sprung balance wheels. Its fuselage becomes more slender behind the wing, mounting a conventional empennage with tall, straight edged, swept vertical surfaces and a dorsal fillet. The rudder is statically balanced and has a vertical trailing edge. A braced tailplane is mounted forward on the fin, a little above the fuselage, carrying similarly balanced elevators fitted with trim tabs. The IAR-35 first flew in May 1986. Only a few were built but four remained on the Romanian civil register in 2010.

Specifications Data from Jane's All the World's Aircraft 1990/91, Jane's All the World's Aircraft 1988-89General characteristics Crew: One Length: 6.47 m (21 ft 3 in) Wingspan: 12.0 m (39 ft 4 in) Height: 1.72 m (5 ft 8 in) Wing area: 10.80 m2 (116.3 sq ft) Aspect ratio: 13.3 Airfoil: NACA 64-015 Empty weight: 250 kg (551 lb) - 270 kg (595.2 lb) Max takeoff weight: 380 kg (838 lb) Performance

Stall speed: 86 km/h (53 mph, 46 kn) Never exceed speed: 380 km/h (240 mph, 210 kn) in smooth air Max rough air speed (VA): 202 km/h (109 kn; 126 mph) g limits: +7 -5 Maximum glide ratio: 26 Best glide speed: 100 km/h (54 kn; 62 mph) Rate of sink: 0.85 m/s (167 ft/min) *Minimum sink speed: 95 km/h (51 kn; 59 mph) Wing loading: 35.19 kg/m2 (7.21 lb/sq ft)

References

Illustrations

Worked examples

Example 1 — a first encounter with ICA IAR-35

Start with the simplest possible case. Write down what ICA IAR-35 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 ICA IAR-35 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 ICA IAR-35 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 ICA IAR-35

In research: ICA IAR-35 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 ICA IAR-35 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: ICA IAR-35 is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1980s Romanian sailplanes, Aircraft first flown in 1986, Aircraft with retractable bicycle landing gear, so understanding it makes those chapters shorter.
In everyday life: Look for ICA IAR-35 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 ICA IAR-35 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what ICA IAR-35 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 ICA IAR-35 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is ICA IAR-35 in simple terms?

The ICA IAR-35 is a Romanian glider designed and built in the 1980s primarily for aerobatics, though capable of general purpose use. Several production prototypes were constructed.

Why does ICA IAR-35 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 ICA IAR-35?

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 ICA IAR-35.