BMW IV
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.
| BMW IV | |
|---|---|
 | |
| Preserved BMW IVa | |
| Type | Inline engine |
| Manufacturer | BMW |
| First run | 1919 |
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 9,760 m (32,021 ft) from Oberwiesenfeld, reaching that altitude in 89 minutes.[1] Diemer stated at the time, "I could have gone much higher, but I didn't have enough oxygen."
Applications
Specifications
Data from BMW Type IV description and user manual.[2]
General characteristics
- Type: Six-cylinder inline piston engine
- Bore: 160 mm
- Stroke: 190 mm
- Displacement: 23 L
- Dry weight: 290 kg
Components
- Valvetrain: Overhead camshaft, two valves per cylinder
- Cooling system: Water-cooled
Performance
- Power output: Nominal 230 PS, maximum continuous 250 PS
- Compression ratio: 5.5:1
References
- "BMW group". Retrieved 27 July 2013.
- bmw-grouparchiv.de Retrieved: 5 December 2016
External links
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