free-piston engine

type of engine with no crank
Thing general Q358600
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free-piston engine

Summary

free-piston engine ranks in the top 2% of general entities by monthly Wikipedia readership (96 views/month).[1]

Key Facts

  • free-piston engine's GND ID is recorded as 4774503-4[2].
  • free-piston engine's subclass of is recorded as internal combustion engine[3].
  • free-piston engine's Commons category is recorded as Free-piston engines[4].
  • free-piston engine's Freebase ID is recorded as /m/03cp6zc[5].
  • free-piston engine's topic's main category is recorded as Category:Free-piston engines[6].
  • free-piston engine's Microsoft Academic ID is recorded as 2779192215[7].
  • free-piston engine's KBpedia ID is recorded as FreePistonEngine[8].

Why It Matters

free-piston engine ranks in the top 2% of general entities by monthly Wikipedia readership (96 views/month).[1] It has Wikipedia articles in 10 language editions, a strong signal of global cultural recognition.[9] It is known by 4 alternative names across languages and contexts.[10]

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). free-piston engine. Retrieved April 10, 2026, from https://4ort.xyz/entity/free-piston-engine
MLA “free-piston engine.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/free-piston-engine.
BibTeX @misc{4ortxyz_free-piston-engine_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{free-piston engine}}, year = {2026}, url = {https://4ort.xyz/entity/free-piston-engine}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): free-piston engine — https://4ort.xyz/entity/free-piston-engine (retrieved 2026-04-10)

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