Lesson plan
W engine
W12 aircraft engine (circa 1930) A W engine is a type of piston engine where three or four cylinder banks share the same crankshaft, resembling the letter "W" when viewed from the front. W engines with three banks of cylinders are also called "broad arrow" engines, due to their shape resembling the British government broad arrow property mark. The most common W-type engine is the 2-bank type, with the Volkswagen Group experimenting with the Passat W8 and its 4.0 liter, 2-bank W8 engine and later implementing the concept with the group's Bentley division, creating a 6.0 liter W12 in both naturally aspirated and turbocharged variants. Due to the pre-existing VR-type engine only needing one cylinder head with one bank of cylinders, a Volkswagen 2-bank W-type engine is structured more similarly to a conventional 2-bank V engine as opposed to a "true" W engine. W engines are significantly less common than V engines. Compared with a V engine, a W engine is typically shorter but wider. In Volkswagen’s case, this allows for superior packaging in engine compartments intended for 6 and 8 cylinder engines, the Passat W8 being one such example.
Article summary
W12 aircraft engine (circa 1930) A W engine is a type of piston engine where three or four cylinder banks share the same crankshaft, resembling the letter "W" when viewed from the front. W engines with three banks of cylinders are also called "broad arrow" engines, due to their shape resembling the British government broad arrow property mark. The most common W-type engine is the 2-bank type, with the Volkswagen Group experimenting with the Passat W8 and its 4.0 liter, 2-bank W8 engine and later implementing the concept with the group's Bentley division, creating a 6.0 liter W12 in both naturally aspirated and turbocharged variants. Due to the pre-existing VR-type engine only needing one cylinder head with one bank of cylinders, a Volkswagen 2-bank W-type engine is structured more similarly to a conventional 2-bank V engine as opposed to a "true" W engine. W engines are significantly less common than V engines. Compared with a V engine, a W engine is typically shorter but wider. In Volkswagen’s case, this allows for superior packaging in engine compartments intended for 6 and 8 cylinder engines, the Passat W8 being one such example.
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
Bibliography
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Key claims and bibliography are generated from the same tracked claims and sources as the article page.