The MTU/Pratt & Whitney RTF-180 was a planned turbofan aircraft engine that was to be jointly developed by Motoren-und Turbinen Union (MTU) and Pratt & Whitney in the early 1990s. It was to be the first civil engine program where MTU would be the prime contractor.[1] The name of the engine, RTF-180, combined the initials for "Regional TurboFan" with the engine's nominal thrust of 18,000 pounds-force (80 kilonewtons).[2]: 6
A November 1990 internal briefing showed that the RTF-180 was one of the engines on offer for the 90-115 seat MPC 75, a regional airliner requiring 14,000–18,000 lbf (62–80 kN) of static thrust.[3]: M75.C.3005.A, M75.C.3008.B In March 1991, the RTF-180 engine was proposed as a possible powerplant for an 80-130 seat airliner from a consortium of Germany's Deutsche Aerospace (DASA), France's Aérospatiale, and Italy's Alenia.[4] The design of the RTF-180 for that airliner initially included a 137-centimeter diameter (54-inch) fan, three-stage low-pressure compressor, eight-stage high-pressure compressor, one-stage high-pressure turbine, and four-stage low-pressure turbine.[5]
At the 1993 Paris Air Show, MTU and Pratt & Whitney announced that they would abandon the RTF-180 in favor of a joint project with General Electric and SNECMA.[6]
Data from Regioliner R92 aircraft definition note, 22 July 1992, pages 4–10, 4–11, and 4–14[7]
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| Radial engines |
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| H piston engines |
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| Free-piston gas turbines |
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| Turbojets |
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| Turbofans |
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| Turboprops/Turboshafts |
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| Propfans |
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| Rocket engines |
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| Aeroderivative gas turbine engines |
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| Subsidiaries |
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| Key people |
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† Joint development aeroengines | |
