Aeromarine B-90
1915 American aircraft engine
From Wikipedia, the free encyclopedia
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]
| B-90 | |
|---|---|
| Aeromarine B-90 | |
| Type | V-8 piston engine |
| National origin | United States |
| Manufacturer | Aeromarine |
| First run | 1915 |
| Variants | Aeromarine B-45 |
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)
