Aeromarine B-90

B-90
Aeromarine B-90
Type V-8 piston engine
National origin United States
Manufacturer Aeromarine
First run 1915
Variants Aeromarine B-45

The Aeromarine B-90 is an aircraft engine built by the Aeromarine Plane and Motor Company in 1915. Aeromarine made two series of V-8 engines. The B series was developed by Joseph Boland and the L series by Charles F. Willard.[1][2][3]

Specifications

Data from Airplane Engine Encyclopedia[3]

General characteristics

  • Type: 8-cylinder 90° Vee piston engine
  • Bore: 3.625 in (92.08 mm)
  • Stroke: 5.125 in (130.18 mm)
  • Displacement: 423.2 cu in (6.94 L)
  • Dry weight: 460 lb (210 kg)
  • Designer: Joseph Boland

Components

  • Valvetrain: 2 intake and 2 exhaust valves per cylinder, single DOHC camshaft operating rockers
  • Fuel system: Single 1.75 in. duplex Zenith carburetor
  • Fuel type: gasoline
  • Oil system: triple gear pump pressure system; HP to crankshaft; LP to camshaft; LP to oil cooler in radiator
  • Cooling system: Water
  • Reduction gear: .571:1
  • Ignition: 2 Dixie magnetos

Performance

  • Power output: maximum 166 hp (124 kW) nominal at 2,635 rpm
  • Compression ratio: 5 to 1
  • Power-to-weight ratio: 0.3226 hp/lb (0.5304 kW/kg)

References

  1. ^ "Motors". www.aerofiles.com. Retrieved 2018-03-23.
  2. ^ Faurote, Fay Leone (1919). Aircraft Year Book. American Aviation Publications.
  3. ^ a b Angle, Glenn D. (1921). Airplane Engine Encyclopedia. Dayton, Ohio: THE OTTERBEIN PRESS. pp. 23–24.
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