File:Pratt & Whitney R-2180 Twin Wasp Hornet radial engine, Stuart airshow.jpg

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Pratt & Whitney R-2180, on display at the Stuart Airshow, close to P & W's manufacturing facility in Florida.

Summary

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Description
English: (From the accompanying placard)

R-2180 “Twin Wasp Hornet” Type: Piston, 14 Cylinder, 2 Row, Air Cooled, Supercharged, Radial, Reciprocating Engine with Geared Propeller Drive.

Displacement: 2,180 Cu.In. (Bore:5.75in.,Stroke:6in.) Compression Ratio: 6.66:1 Rating: 1,400 HP @ 2,500 RPM Weight: 1,647 Lbs. Design Start: 1933 First Run: 1936 First Flight: Flight Tested in the Prototype Douglas DC-4 Production: None. Development Engine Only

The Great Number of Different Engine Models Under Development and an Engine Planned to be Produced by the Competition Forced Pratt & Whitney to Terminate Further Development of the R-2180 “Twin Hornet-”

The R-2180 “Twin Hornet’ was well along in the development stages when two issues surfaced that caused termination of the engine program. The first was realization that Pratt & Whltney's engineering had too many projects under development to provide each with the required attention necessary and Pratt & Whitney‘s company president, Frederick B. Rentschler could not be confident of meeting his first precept of offering the most dependable engine in it’s class. Second, Wright Aeronautical had a r-2600 engine on the drawing board that promised to out perform the R-2180 “Twin Hornet” that was under development

Pratt & Whitney remained committed to always provide the highest powered and most reliable engines in their class. A new engine with 18 equivalent displacement cylinders became the company’s focus and resulted in the legendary R-2800 ‘Double Wasps."

This Experimental Engine, designated X-30. is the only R-2180 “Twin Hornet believed to currently exist.
Date
Source Own work
Author Ssaco

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current17:08, 17 August 2021Thumbnail for version as of 17:08, 17 August 20213,464 × 2,657 (1.76 MB)Ssaco (talk | contribs)Uploaded own work with UploadWizard

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