# \#turbo-compound

**URL:** https://scanalyst.fourmilab.ch/tag/turbo-compound/5016.md

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## [The Last DC-7C in Airline Service](https://scanalyst.fourmilab.ch/t/the-last-dc-7c-in-airline-service/4048)

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**Author:** [@johnwalker](https://scanalyst.fourmilab.ch/u/johnwalker)\
**Replies:** 0\
**Last updated:** [1 December 2023 14:54 UTC](https://scanalyst.fourmilab.ch/t/the-last-dc-7c-in-airline-service/4048 "2023-12-01T14:54:40Z")

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On 2023-11-22 we had a post here, “Wright Turbo-Compound Engine—Piston-Powered Wizardry”, about the aircraft engine that was the ultimate evolution of piston power for commercial aviation before the beginni…

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## [Wright Turbo-Compound Engine—Piston-Powered Wizardry](https://scanalyst.fourmilab.ch/t/wright-turbo-compound-engine-piston-powered-wizardry/4020)

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**Author:** [@johnwalker](https://scanalyst.fourmilab.ch/u/johnwalker)\
**Replies:** 2\
**Last updated:** [23 November 2023 16:55 UTC](https://scanalyst.fourmilab.ch/t/wright-turbo-compound-engine-piston-powered-wizardry/4020 "2023-11-23T16:55:14Z")

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The Wright R-3350 Duplex-Cyclone Turbo-Compound aircraft piston engine is considered by many to be the peak of piston power for airliners. The engine is an air-cooled, supercharged, radial design, with 18 …