The S.P.A. 6A was an Italian aero engine of the World War I era. It was a water-cooled inline six-cylinder engine that produced 220 horsepower (164 kW).

6A
S.P.A. 6A engine on display at the Gianni Caproni Museum of Aeronautics
Type	Water-cooled Piston aero engine
National origin	Italy
Manufacturer	Società Piemontese Automobili (S.P.A.)
First run	c.1916

Applications

• Ansaldo A.1 Balilla
• Ansaldo SVA
• Bartel BM.5
• Breda A.2
• Breda A.3
• Breda A.9 and A.9bis
• CANT 7ter
• Caproni Ca.61a
• Caproni Ca.66
• SIAI S.50

Specifications

Data from Jane's.[1]

General characteristics

• Type: Inline six-cylinder piston engine
• Bore: 135 mm (5.31 in)
• Stroke: 170 mm (6.69 in)

Components

• Valvetrain: SOHC, two valves per cylinder
• Fuel system: Twin Zenith carburettors
• Cooling system: Water-cooled
• Reduction gear: Direct-drive
• Twin Marelli ignition magnetos

Performance

• Power output: 164 kW (220 hp) at 1,600 rpm

See also

Comparable engines

• Austro-Daimler 6
• BMW IIIa
• Hiero 6
• Liberty L-6
• Mercedes D.III

Related lists

• List of aircraft engines

References

Wikimedia Commons has media related to SPA 6A.

Notes

Bibliography

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На других языках

[it] SPA 6A