Hawker Tempest V recognition film.
All about the Tempest here:
http://www.hawkertempest.se
Interesting facts about Napier Sabre, one of the most powerful piston aircraft engines in the world, from the book "The power to fly: The development of the piston engine in aviation" by L.J.K Setright:
http://yfrog.com/0lsimg8313j
http://yfrog.com/03simg8309j
