Aeromarine 90hp

The Aeromarine 90 hp was the first aircraft motor built by the Aeromarine Plane and Motor Company in 1914. In that year, Aeromarine had acquired the patents and manufacturing rights to the aircraft and engines of the Boland brothers. Although the Boland brothers didn't make a 6-cylinder engine, their V-8's all used the unusual concentric valve that is used in this engine. In spite of its model name, this engine only produced 85 hp (63 kW) at 1,400 rpm [1][2][3]

90 hp
Aeromarine 90hp
Type Piston aero engine
National origin United States
Manufacturer Aeromarine
First run 1914
Developed into Aeromarine K-6

Developments

Specifications

Data from Airplane Engine Encyclopedia[2]

General characteristics

  • Type: 6 cylinder vertical inline piston engine
  • Bore: 4.3125 in (109.54 mm)
  • Stroke: 5.125 in (130.18 mm)
  • Displacement: 449.16 cu in (7.36 l)
  • Dry weight: 430 lb (200 kg)

Components

  • Valvetrain: Concentric overhead valve
  • Fuel system: 2 Zenith carburetors
  • Fuel type: Gasoline
  • Oil system: gear pump 12 to 15 psi (83 to 103 kPa)
  • Cooling system: Water
  • Ignition: 2 Bosch D-U-6 Magnetos

Performance

  • Power output: 85 hp (63 kW) at 1,400 rpm; 90 hp (67 kW) nominal
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gollark: I just noticed that the FractalArt code contains a complex-looking monady function which is not actually used at all anywhere.
gollark: I am NOT using a zerophone.
gollark: I *was* looking at the LG V20 as a cheap old device I can buy, they were very good for their time.
gollark: But there are... less bad ones?

References
  1. Aerial Age Weekly. Aerial Age Company. 1915.
  2. Angle, Glenn D. (1921). Airplane Engine Encyclopedia. Dayton, Ohio: THE OTTERBEIN PRESS. pp. 19–20.
  3. "Motors". www.aerofiles.com. Retrieved 2018-03-23.

Further reading
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