Otto A.G.O. 50 hp

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Otto A.G.O. 50 hp
Aeromotor Gustav Otto A.G.O. 50 hp.jpg
Aeromotor Gustav Otto 50 hp aircraft engine
Type Piston inline aero engine
National origin Germany
Manufacturer Gustav Otto Flugmaschinenwerke
First run c.1911[1]
Developed into Otto A.G.O. 70 hp

The Otto A.G.O. 50 hp aircraft engine from 1911 was a four-cylinder, water cooled inline engine built by the German Gustav Otto Flugmaschinenwerke.

Design and development[]

Otto A.G.O. 50 hp, longitudinal section
Otto A.G.O. 50 hp, cross section

The Otto A.G.O. (Aeromotor Gustav Otto) 50 hp engine was designed by in 1911 at the Gustav Otto Flugmaschinenwerke. It had a bore and stroke of 110 mm × 150 mm (4.33 in × 5.91 in) and produced about 50 hp (37 kW) at 1,200 rpm.[2][3]

The cylinders were cast separately from iron and then machined. They were grouped together to a single block, joined at their cooling jackets by means of flanges and bolts. There were two side valves per cylinder, which were operated from the camshaft, which was located on the left side of the engine block and driven from the crankshaft by spur gears. All four cylinders were fed by a single carburettor. A single spark plug per cylinder was mounted above the inlet valve, with the magneto located at the control side of the engine, driven from the crankshaft via an intermediate spur gear.

The crankshaft was supported by one intermediate and two outer plain bearings, with two additional thrust ball bearings at the propeller end. Lubrication was pressure fed, with an oil pump feeding oil to the crankshaft bearings.[3]

Applications[]

  • racing biplane[4]

Specifications[]

Data from Quittner[3]

General characteristics

  • Type: four-cylinder, water-cooled in-line piston engine
  • Bore: 110 mm (4.33 in)
  • Stroke: 150 mm (5.91 in)
  • Displacement: 5.7 l (348 cu in)
  • Dry weight: 90 kg (198 lb)
  • Designer:

Components

Performance

  • Power output: 50 hp (37 kW) at 1,200 rpm

See also[]

Related development

Related lists

References[]

Citations[]

  1. ^ Illustrirte Mittheilungen des Oberrheinischen Vereins für Luftschiffahrt, issue 16/1911, p. 38, advertisement
  2. ^ Angle 1921, pp. 372–373.
  3. ^ a b c Quittner 1912, pp. 96–101.
  4. ^ R. B. 1912, pp. 27–29.

Works cited[]

  • Angle, Glenn Dale (1921). Airplane Engine Encyclopedia: An Alphabetically Arranged Compilation Of All Available Data On The World's Airplane Engines. Otterbein Press. pp. 372-373. OL 23525261M.
  • Quittner, Victor (May 1912). "Die Flugmotorern auf der „ALA"". Der Oelmotor (in German). Berlin: Verlag für Fachliteratur G.m.b.H. I. Jahrgang 1912/13 (2): 96–101. OCLC 2449244.
  • R. B. (1912). "Von den Otto-Flugzeugwerken in München". Deutsche Luftfahrt, Jahrgang 1912 (in German). 16: 27–29. OCLC 29889214.

Further reading[]

External links[]

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