Napier Deltic - large multi-bank engine, with crankshafts shared between cylinder banks.
Turbo-compound versions of the Napier Deltic, Rolls-Royce Crecy, and Allison V-1710 were constructed but none was developed beyond the prototype stage.
Charles James Napier | Napier | Napier, New Zealand | William Francis Patrick Napier | Robert Napier, 1st Baron Napier of Magdala | Napier Lion | Charles Napier | Robert Napier | Mick Napier | Napier, Western Cape | Napier Deltic | John Light Napier | William Napier (lawyer) | William Napier | Susan J. Napier | Sir Charles Napier's | Napier Range | George Thomas Napier | Declan Napier | Thomas Napier (jurist) | Napier (Lion) | Michael Napier Brown | Lonnie Napier | John Napier | Deltic Preservation Society | Bill Napier | William Napier, 9th Lord Napier | Sir William Napier | Sir Charles Napier Inn | Sacred Heart College, Napier |