BMW V

from Wikipedia, the free encyclopedia
BMW

Image does not exist
BMW V
Production period: 1926-1927
Manufacturer: BMW
Working principle: Otto
Motor design: line
Mixture preparation: Carburetor
Engine charging: -
Previous model: BMW IV
Successor: BMW VI

The BMW V was a German aircraft engine from the second half of the 1920s.

Development and construction

The BMW V appeared in 1926 as the successor to the BMW IV and, as a special feature, had a common cylinder head made of light metal with a water jacket of the same material for the six individually arranged cylinders . In contrast to the BMW IV, the bore was enlarged to 165 mm and each cylinder received an inlet and outlet valve . From this experimental engine, which received its type certification in 1927, only a few copies and BMW emerged developed from it in the same year again mm to 160 recessed BMW Va with two Zenith - carburetors , ATS and optionally of aluminum - or electric casting existing crankcase . The later versions were equipped with a vibration damper . The public presentation took place at the Paris Aérosalon from 1928. There were three variants with different compression ratios . The Japanese Empire acquired the license rights from BMW Va .

commitment

Technical specifications

Parameter Data (BMW V) Data (BMW Va 5.5) Data (BMW Va 6) Data (BMW Va 7.3)
Manufacturer Bayerische Motoren Werke AG
Developing country German EmpireGerman Empire German Empire
Year of development 1926 1927
Design water-cooled six - cylinder four-stroke in - line engine
drilling 165 mm 160 mm
Hub 190 mm
Displacement 24.40 l 22.90 l
Compression ratio 7.3: 1 5.5: 1 6: 1 7.3: 1
length 1795 mm 1668 mm 1795 mm
width 635 mm
height 1133 mm
Dimensions 335 kg 317 kg
Starting power 410 hp (302 kW) at 1650 rpm 360 hp (265 kW) at 1650 rpm 380 hp (279 kW) at 1650 rpm 395 hp (291 kW) at 1650 rpm
Combat and climb performance close to the ground 410 hp (302 kW) at 1650 rpm 360 hp (265 kW) at 1650 rpm 380 hp (279 kW) at 1650 rpm
Continuous power close to the ground 320 hp (235 kW) at 1520 rpm 320 hp (235 kW) at 1580 rpm 320 hp (235 kW) at 1560 rpm
Displacement 17 hp (12.4 kW) 16.59 PS (12.23 kW) 17.25 HP (12.71)
Unit mass 0.77 kg / hp (1.05 kg / kW) 0.834 kg / hp (1.13 kg / kW) 0.803 kg / hp (1.09 kg / kW)
Fuel consumption
with continuous power		 220 g / PSh 235 g / PSh 230 g / PSh
Lubricant consumption
at continuous output		 10 g / PSh

literature

  • Kyrill von Gersdorff, Kurt Grasmann: Aero engines and jet engines (= The German aviation. Volume 2). Bernard & Graefe Verlag, Munich 1981, ISBN 3-7637-5272-2 pp. 58/59.
  • Bruno Lange: Type manual of the German aviation technology (= Die deutsche Luftfahrt. Volume 9). Bernard & Graefe, Koblenz 1986, ISBN 3-7637-5284-6 , p. 305.

Web links

  • BMW V. In: BMW History. BMW AG, accessed on January 5, 2020 (dossier of the BMW Group Archives).

Individual evidence

  1. ↑ a b c Helmut Stützer: The German military aircraft 1919–1934 . E. S. Mittler & Sohn, Herford 1984, ISBN 3-8132-0184-8 , pp. 227/228
  2. ↑ a b c d e f g by Gersdorff / Grasmann, p. 59