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.Gunston 1989, p.110.
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 ) P.XI R.C.30 (geared, rated altitude ) P.XI R.C.40D : (geared, rated altitude ) P.XI R.C.40S (geared, rated altitude ), opposite rotation to 40D. P.XI R.C.40bis (geared, rated altitude ) P.XI R.2C.40, (geared, rated altitude ), two-speed supercharger. P.XI C.40 (direct drive, rated altitude ) P.XI R.C.44 (geared, rated altitude ) P.XI R.C.50 (geared, rated altitude ) P.XI R.C.60 (geared, rated altitude ) P.XI R.C.72 (geared, rated altitude ) P.XI R.C.100 P.XI R.C.100/2v (geared, rated altitude )
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
Specifications (P.XI R.C.40)
See also
References
Notes
Bibliography
Gunston, Bill. World Encyclopedia of Aero Engines. Cambridge, England. Patrick Stephens Limited, 1989.