Piaggio P.XI

The Piaggio P.XI was an Italian 14-cylinder radial aircraft engine. The P.XI was a licensed derivative of the French Gnome-Rhône Mistral Major 14K produced in Italy.

Further development led to the P.XIX. This featured an increased compression ratio from 6:1 to 7:1 and an rpm increase from 2,400 to 2,600.

Variants

 * P.XI:
 * P.XIbis:
 * P.XI R.C.15: (geared, rated altitude 1500 m)
 * P.XI R.C.30: (geared, rated altitude 3000 m)
 * P.XI R.C.40D:
 * P.XI R.C.40S :1,000 PS (geared, rated altitude 4000 m), opposite rotation to 40D.
 * P.XI R.C.40bis: (geared, rated altitude 4000 m)
 * P.XI R.2C.40:1,000 PS, (geared, rated altitude 4000 m), two-speed supercharger.
 * P.XI C.40: (direct drive, rated altitude 4000 m)
 * P.XI R.C.44: (geared, rated altitude 4400 m)
 * P.XI R.C.50: (geared, rated altitude 5000 m)
 * P.XI R.C.60: (geared, rated altitude 6000 m)
 * P.XI R.C.72: (geared, rated altitude 7200 m)
 * P.XI R.C.100:
 * P.XI R.C.100/2v: (geared, rated altitude 10000 m)

Applications

 * Breda Ba.65
 * Breda Ba.88
 * CANT Z.516
 * CANT Z.1007
 * Caproni Ca.135
 * Caproni Ca.161
 * Reggiane Re 2000
 * Saab 17C
 * Savoia-Marchetti SM.79B
 * Savoia-Marchetti SM.84