BMW IV
title: "BMW IV" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["bmw-aircraft-engines", "1910s-aircraft-piston-engines", "straight-six-engines"] topic_path: "general/bmw-aircraft-engines" source: "https://en.wikipedia.org/wiki/BMW_IV" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0
::data[format=table title="infobox aero engine"]
| Field | Value |
|---|---|
| name | BMW IV |
| image | File:BMW IVa vl TCE.jpg |
| caption | Preserved BMW IVa |
| engine_type | Inline engine |
| manufacturer | BMW |
| first_run | 1919 |
| developed_into | |
| :: |
|name = BMW IV |image = File:BMW IVa vl TCE.jpg |caption = Preserved BMW IVa |engine_type=Inline engine |manufacturer=BMW |national_origin= |first_run=1919 |major_applications= |number_built = |developed_from = |developed_into = |variants_with_their_own_articles =
The BMW IV was a six-cylinder, water-cooled inline aircraft engine built in Germany in the 1920s. Power was in the 180 kW (250 hp) range.
World record
On 17 June 1919 Franz Zeno Diemer flew a DFW F37, powered by a BMW IV engine to an unofficial world record height of 9760 m from Oberwiesenfeld, reaching that altitude in 89 minutes. Diemer stated at the time, "I could have gone much higher, but I didn't have enough oxygen."
Applications
- Arado SC I
- Albatros L 72
- Albatros L 74
- Caspar C 27
- DFW F37
- Heinkel HD 22
- Heinkel HD 24
- Heinkel HD 39
- Junkers A 35
- Junkers F 13
- LFG V 59
- LFG V 60
- Polikarpov R-1 BMW (Soviet unlicensed copy of Airco DH.9A)
- Kalinin K-Series
- Rohrbach Ro VII Robbe
- Rohrbach Ro VIII Roland I
- Type 91 Heavy Tank
- Type 95 Heavy Tank
Specifications
and start a new, fully formatted line with -- |ref=BMW Type IV description and user manual. |type=Six-cylinder inline piston engine |bore=160 mm |stroke=190 mm |displacement=22.92 L |length= |diameter= |width= |height= |weight=290 kg |valvetrain=Overhead camshaft, two valves per cylinder |supercharger= |turbocharger= |fuelsystem= |fueltype= |oilsystem= |coolingsystem=Water-cooled |power=Nominal 230 PS , maximum continuous 250 PS |specpower= |compression=5.5:1 |fuelcon= |specfuelcon= |oilcon= |power/weight=
|designer= |reduction_gear=
|general_other= |components_other= |performance_other=
References
References
- "BMW group".
- [https://bmw-grouparchiv.de/research/detail/index.xhtml?id=3052440 bmw-grouparchiv.de] Retrieved: 5 December 2016
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