Austro-Daimler family

Austro-Daimler
Type 6-cyl. water-cooled in-line piston engine
National origin Austria
Manufacturer Austro-Daimler
First run 1910

The Austro-Daimler family was a family of Austrian six cylinder water-cooled inline aero engines first produced in 1910 by the Austro-Daimler company.

Contents

Design and development

The first Austro-Daimler 6-cyl. engine was designed by Dr-Ing Ferdinand Porsche to be an aircraft engine from the outset. Of high quality manufacture the Austro-Daimler was modestly rated at relatively low rpm, which gave the engine family a reputation for robustness and reliability.[1]

Features of the Austro-Daimler included welded steel water jackets, (originally copper), seven main bearings and large diameter inclined inlet and exhaust valves opened by dual action push-pull rods and closed by spring pressure.[1]

The Austro-Daimler inspired many imitators such as the Mercedes D.II, Benz Bz.IV, Beardmore, and Hiero 6. Modest availability of the Austro-Daimler engines forced some aircraft manufacturers to substitute Mercedes (the German Daimler company) engines in their aircraft, due to greater availability.[1]

Varaints

Data from:[1]

Austro-Daimler 90hp 6-cyl.
The original low capacity version developing 90 hp (67.11 kW), introduced in 1910.
Austro-Daimler 120hp 6-cyl.
Up-rated with a capacity of 13.9 l (848.23 cu in), from 130 mm (5.12 in) bore and 175 mm (6.89 in) stroke, developing 120 hp (89.48 kW) at 1,200 rpm, introduced in 1911.
Austro-Daimler 160hp 6-cyl.
with unchanged dimensions, developing 160 hp (119.31 kW), introduced in 1913.
Austro-Daimler 185hp 6-cyl.
with unchanged dimensions, developing 185 hp (137.95 kW), introduced in 1916.
Austro-Daimler 200hp 6-cyl.
with unchanged dimensions, developing 200 hp (149.14 kW) at 1,350 rpm, introduced in December 1916.
Austro-Daimler 210hp 6-cyl.
with unchanged dimensions, developing 210 hp (156.60 kW), introduced in late 1917.
Austro-Daimler 225hp 6-cyl.
with unchanged dimensions, developing 225 hp (167.78 kW), introduced in 1918.

Applications

Specifications (Austro-Daimler 120hp)

General characteristics

Components

Performance

References

  1. ^ a b c d Gunston, Bill (2006). World Encyclopedia of Areo Engines (5th ed.). Stroud: Sutton Publishing. pp. 18. ISBN 0 7509 4479 X. 
  • Gunston, Bill. (1986). World Encyclopaedia of Aero Engines. Patrick Stephens: Wellingborough. p.22
  • Angelucci, Enzo. (1980). "The Rand McNalley Encyclopedia of Military Aircraft 1914-1980". p.102
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