BMW IV
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The BMW IV was a six-cylinder, water-cooled inline aircraft engine built in Germany in the 1920s. Power was in the 180kW (250hp) 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 9,760m (32,021ft) 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." [citation needed]
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
Data from BMW Type IV description and user manual.
General characteristics
- Type: Six-cylinder inline piston engine
- Bore: 160mm (6.30in)
- Stroke: 190mm (7.48in)
- Displacement: 22.92L (1,399cuin)
- Dry weight: 290kg (640lb)
Components
- Valvetrain: Overhead camshaft, two valves per cylinder
- Cooling system: Water-cooled
Performance
- Power output: Nominal 230PS (227hp; 169kW) , maximum continuous 250PS (247hp; 184kW)
- Compression ratio: 5.5:1
See also
Comparable engines
- Liberty L-6 (United States)
Related lists