science

Stemme S12

Stemme S12 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 Stemme S12 rather than just read about it. In short: The Stemme S12 is a German high-wing, two-seat motor glider produced by Stemme of Strausberg. It was introduced at AERO Friedrichshafen in April 2015, shortly after its first flight.

Key takeaways

Stemme S12 belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Stemme S12 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Stemme S12 from memory before moving on to harder problems.

Reference excerpt

The Stemme S12 is a German high-wing, two-seat motor glider produced by Stemme of Strausberg. It was introduced at AERO Friedrichshafen in April 2015, shortly after its first flight.

Design and development Based in the Stemme S10, the Stemme S12 features a cantilever wing, a T-tail, a two-seats-in-side-by-side configuration enclosed cockpit under a bubble canopy and a single engine with a retractable propeller. The aircraft is made from composite material. Its 25 m (82.0 ft) span wing employs winglets. The mid-fuselage-mounted engine is the 115 hp (86 kW) Rotax 914 F2/S1 four-stroke turbocharged powerplant driving a retractable, folding, variable-pitch propeller. Its maximum glide ratio is 53:1. The $8 million Dzyne Unmanned Long-Endurance Tactical Reconnaissance Aircraft (ULTRA) is an uncrewed derivative deployed as part of an affordable ultra-long endurance ISR demonstration, capable of flights up to 80 hours.

Specifications (S12) Data from GradyGeneral characteristics Crew: one Capacity: one passenger Length: 8.42 m (27 ft 7 in) (propeller retracted) Wingspan: 25.0 m (82 ft 0 in) - 11.4 m (37.4 ft) span when folded Height: 1.75 m (5 ft 9 in) Wing area: 19.95 m2 (214.7 sq ft) Aspect ratio: 31.33 Gross weight: 900 kg (1,984 lb) MTOW Fuel capacity: 120 litres (26 imp gal; 32 US gal) Powerplant: 1 × Rotax 914 F2/S1 four cylinder, liquid and air-cooled, turbocharged, four stroke aircraft engine, 86 kW (115 hp) Propellers: two-bladed retractable, folding, variable-pitch propeller Performance

Maximum speed: 259 km/h (161 mph, 140 kn) at 10,000 feet MSL Cruise speed: 230 km/h (140 mph, 120 kn) Range: 1,759 km (1,093 mi, 950 nmi) Endurance: 9.2 hr @ 55% power Maximum glide ratio: 53:1 Rate of climb: 4.21 m/s (829 ft/min) Wing loading: 45.11 kg/m2 (9.24 lb/sq ft) at MTOW

Illustrations

Worked examples

Example 1 — a first encounter with Stemme S12

Start with the simplest possible case. Write down what Stemme S12 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 Stemme S12 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 Stemme S12 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 Stemme S12

In research: Stemme S12 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 Stemme S12 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: Stemme S12 is common in secondary-school and first-year university syllabi. It links to neighbouring topics 2010s German sailplanes, Aircraft first flown in 2015, Glider aircraft, so understanding it makes those chapters shorter.
In everyday life: Look for Stemme S12 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.

Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Stemme S12” →

Affiliate

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

How to study Stemme S12 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Stemme S12 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 Stemme S12 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Stemme S12 in simple terms?

The Stemme S12 is a German high-wing, two-seat motor glider produced by Stemme of Strausberg. It was introduced at AERO Friedrichshafen in April 2015, shortly after its first flight.

Why does Stemme S12 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 Stemme S12?

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 Stemme S12.