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.

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)
 * Rohrbach Ro VII Robbe
 * Rohrbach Ro VIII Roland I
 * Type 91 Heavy Tank
 * Type 95 Heavy Tank