I was there on Saturday as well - that Napier is AWWWESOME.
If you ever get the chance to see it - make sure you stand IN FRONT of it when it is warming up....as glorious as the noise is, the smell is poisioning!!
It was awesome to hear it blat around the museum though......
24 litres...... 12 cylinders - 3 bank of 4 - three exhausts - whats the fuel efficiency gonna be like in that!!??!!
Brad (fuel economy advisor)