OX5 Engine Specs

Tilton 1918 OX5 Engine 004 

 

 

 

 

 

Dean Tilton, OX5 Member & rebuilder

Curtiss OX-5 Power output:90 hp (67 kW) at 1,400 rpm
105 hp (78 kW) at 1,800 rpm for brief periods
Specific power: 0.21 hp/in³ (9.5 kW/l)
Compression ratio: 4.9:1
Fuel consumption: 8.0 US gal/h (30.8 l/h) at 75% power
Oil consumption: 0.5 US gal/h (1.9 l/h) at 75% power
Power-to-weight ratio: 0.27 hp/lb (440 W/kg)Aircraft that used the Curtiss OX-5 aero-engineCurtiss JN-4D “Jenny” Curtiss A-1 amphibian- Laird Swallow – Travel Air 2000 – Pitcairn PA-4 – Fleetwing II – Travel Air 2000 – Waco 9 – Waco 10 – American Eagle

 

Curtiss OX-5 Specifications:

Type: Water-cooled 90° V8 piston engine with two pushrod-actuated valves per head
Bore: 4.0 in (102 mm)
Stroke: 5.0 in (127 mm)
Displacement: 503 in³ (8.2 l)
Length: 56.75 in (1441.45 mm)
Width: 29.75 in (755.65 mm)
Height: 36.75 in (933.45 mm)
Dry weight: 390 lb (177 kg)
Fuel system: Duplex Zenith Carburetor
Oil system: Gear-pump operating at 40 to 60 psi with a 3-gallon oil sump
Cooling system: Water-cooled