The Piaggio P.XII is an Italian 18-cylinder radial aircraft engine developed in the 1930s by Rinaldo Piaggio S.p.A. The P.XII was two Piaggio P.X engines in tandem, which were versions of the French

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''Mistral'' made under license, themselves being much modified Gnome-Rhône 9A - a license-built

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, especially the Piaggio P.108. An up-rated version was tested as the Piaggio P.XXII.

Variants

Variants of the Piaggio P.XII include: (R - ''Riduttore'' - reduction gearing and C - ''Compressore'' - supercharged) ;P.XII R.C.35: (geared, rated altitude ) ;P.XII R.C.40: (geared, rated altitude ) ;P.XII R.C.100/2v: (geared, rated altitude ) ;P.XV R.C.60/2v: (geared, rated altitude ) ;P.XXII R.C.35D:Higher rating with slightly higher displacement than the P.XII series engines. (geared, rated altitude ) ;P.XXII R.C.35R:Same as P.XXII R.C.35D, but propeller rotates in opposite direction ;P.XXII R.C.60: (geared, rated altitude )

Applications

* CANT Z.1015 * CANT Z.1018 * CANT Z.511 * Caproni Ca.169 * Piaggio P.108 * Savoia-Marchetti SM.84 * Savoia-Marchetti SM.89

Specifications (P.XII R.C.35)

References

Notes

Bibliography