BMW 132
German radial aircraft engine
title: "BMW 132" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["aircraft-air-cooled-radial-piston-engines", "bmw-aircraft-engines", "1930s-aircraft-piston-engines"] description: "German radial aircraft engine" topic_path: "general/aircraft-air-cooled-radial-piston-engines" source: "https://en.wikipedia.org/wiki/BMW_132" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0
::summary German radial aircraft engine ::
::data[format=table title="infobox aero engine"]
| Field | Value |
|---|---|
| name | BMW 132 |
| image | File:Musée BMW 236 (cropped).jpg |
| caption | Preserved BMW 132 at the BMW Museum |
| engine_type | Radial engine |
| national_origin | Germany |
| manufacturer | BMW |
| first_run | 1933 |
| major_applications | Junkers Ju 52 |
| number_built | 21,000 |
| developed_from | Pratt & Whitney R-1690 Hornet |
| developed_into | BMW 114 |
| :: |
|name= BMW 132 |image= File:Musée BMW 236 (cropped).jpg |caption= Preserved BMW 132 at the BMW Museum |engine_type= Radial engine |national_origin= Germany |manufacturer= BMW |first_run= 1933 |major_applications= Junkers Ju 52 |number_built = 21,000 |developed_from = Pratt & Whitney R-1690 Hornet |developed_into = BMW 114 |variants_with_their_own_articles =
The BMW 132 was a nine-cylinder radial aircraft engine produced by BMW starting in 1933.
Design and development
BMW took over a license for manufacturing air-cooled radial engines from Pratt & Whitney on 3 January 1928. The nine-cylinder model Pratt & Whitney R-1690 Hornet was initially manufactured virtually unchanged under the designation BMW Hornet.
Soon BMW embarked on its own development. The result was the BMW 132, essentially an improved version of the Hornet engine, that went into production in 1933. A number of different versions were built; aside from the carburetor designs used mainly in civilian aircraft, versions with direct fuel injection were manufactured for the German Luftwaffe. The engines had a displacement of 27.7 L and generated from 725 PS to 1200 PS depending on model.
The 132 found widespread use in the transport role, remaining the primary powerplant of the Junkers Ju 52 for much of its life, turning the BMW 132 into one of the most important aircraft engines for civilian aircraft during the 1930s.
Numerous pioneering flights were undertaken with the BMW 132. The most impressive was the first direct flight from Berlin to New York in a four-engined Focke-Wulf 200 S-1 Condor. It covered the distance to New York in 24 hours and 57 minutes on 10 August 1938.
::figure[src="https://upload.wikimedia.org/wikipedia/commons/f/f6/BMW_132_engine.JPG" caption="BMW 132 engine"] ::
::figure[src="https://upload.wikimedia.org/wikipedia/commons/9/9a/Haupt_und_Nebenpleuel_BMW_132.jpg" caption="[[Connecting rod]]s"] ::
Variants
;132A:725 PS ;132Dc:850 PS ;132De:880 PS ;132J/K:960 PS with higher rpm ;132N:865 PS ;132T:730 PS ;132W:1065 PS ;ENMA Beta B-4 (Spanish license-built version):(9E-C29-775) 785 PS (stroke 174.6 mm, displacement 29.85 L)
Applications
- Arado Ar 195
- Arado Ar 196
- Arado Ar 197
- Blohm & Voss Ha 140
- Blohm & Voss BV 141
- Blohm & Voss BV 142
- Dornier Do 17P
- Fieseler Fi 98
- Focke-Wulf Fw 200 Condor
- Heinkel He 114
- Heinkel He 115
- Henschel Hs 123
- IAR 38
- Junkers W 34
- Junkers Ju 52
- Junkers Ju 86
- Junkers Ju 90
- Junkers Ju 160
Specifications (BMW 132 Dc)
::figure[src="https://upload.wikimedia.org/wikipedia/commons/2/27/BMW_132_M15serie_milMusBuc_20200305_1.jpg" caption="BMW 132, M15 in the [[National Military Museum, Romania]]."] ::
| and start a new, fully-formatted line with -- |ref=Flugzeug-Typenbuch. Handbuch der deutschen Luftfahrt- und Zubehör-Industrie 1944 |type=9-cylinder single-row supercharged air-cooled radial engine |bore=155.6 mm |stroke=161.9 mm |displacement=27.72 L |length=1411 mm |diameter=1380 mm |width= |height= |weight=525 kg |valvetrain=Two overhead valves per cylinder |supercharger=Single-speed centrifugal-type supercharger rated to 2600 m |turbocharger= |fuelsystem=Mona-Hobson carburetor |fueltype=87 octane rating gasoline |oilsystem=pressure system at 6 - |coolingsystem=Air-cooled |power=
:*850 PS for takeoff at 2,450 rpm (1 minute) at sea level :*780 PS at 2,350 rpm (5 minutes) at sea level :*690 PS at 2,250 rpm (30 minutes) at sea level :*550 PS at 2,100 rpm (max. duration) at sea level :*500 PS at 2,000 rpm (max range) at sea level |specpower=28.15 PS/L |compression=6.5:1 |fuelcon= |specfuelcon=0.24 kg/PSh at 2,100 rpm |oilcon=0.003 - at 2,100 rpm |power/weight=1.49 PS/kg
- B.M.E.P.=9.75 bar |reduction_gear=Farman epicyclic gearing, 0.62:1
References
Bibliography
References
- "BMW 132".
- Wilkinson, Paul H.. (1960). "Aircraft engines of the World 1960/61". Sir Isaac Pitman & Sons Ltd..
- Schneider, Helmut (Dipl.Ing.). (1944). "Flugzeug-Typenbuch. Handbuch der deutschen Luftfahrt- und Zubehör-Industrie 1944". Herm. Beyer Verlag.
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