The Napier Rapier was a British 16-cylinder H pattern air-cooled aero engine designed by Frank Halford and built by Napier & Son shortly before World War II.
The Napier Rapier was a British 16-cylinder H pattern air-cooled aero engine designed by Frank Halford and built by Napier & Son shortly before World War II. (en)
Il Napier Rapier era un motore aeronautico 16 cilindri ad H raffreddato ad aria, realizzato dalla britannica Napier Aero Engines negli anni trenta. (it)
The Napier Rapier was a British 16-cylinder H pattern air-cooled aero engine designed by Frank Halford and built by Napier & Son shortly before World War II. (en)
Il Napier Rapier era un motore aeronautico 16 cilindri ad H raffreddato ad aria, realizzato dalla britannica Napier Aero Engines negli anni trenta. (it)