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PPS-1350

PPS-1350 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 PPS-1350 rather than just read about it. In short: PPS-1350 is a Hall-effect thruster, a kind of ion propulsion system for spacecraft. It was used in the SMART-1 mission to the moon and one geostationary satellites: Inmarsat-4A F4.

PPS-1350 — main illustration
PPS-1350 — illustration

Key takeaways

  • PPS-1350 belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect PPS-1350 to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of PPS-1350 from memory before moving on to harder problems.

Reference excerpt

PPS-1350 is a Hall-effect thruster, a kind of ion propulsion system for spacecraft. It was used in the SMART-1 mission to the moon and one geostationary satellites: Inmarsat-4A F4. It creates a stream of electrically charged xenon ions accelerated by an electric field and confined by a magnetic field. The PPS-1350 is built by Snecma, a French aerospace firm, in cooperation with Fakel, who designed the SPT-100, on which the PPS 1350 is based.

Specifications

See also Comparison of orbital rocket engines

References

Illustrations

PPS-1350 illustration

Worked examples

Example 1 — a first encounter with PPS-1350

Start with the simplest possible case. Write down what PPS-1350 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 PPS-1350 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 PPS-1350 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 PPS-1350

In research
PPS-1350 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 PPS-1350 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
PPS-1350 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Ion engines, Spacecraft electric propulsion, so understanding it makes those chapters shorter.
In everyday life
Look for PPS-1350 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 PPS-1350 in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what PPS-1350 means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain PPS-1350 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is PPS-1350 in simple terms?

PPS-1350 is a Hall-effect thruster, a kind of ion propulsion system for spacecraft. It was used in the SMART-1 mission to the moon and one geostationary satellites: Inmarsat-4A F4.

Why does PPS-1350 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 PPS-1350?

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 PPS-1350.

Tags

  • Ion engines
  • Spacecraft electric propulsion

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