As Astrodragon's off on an all you can drink real ale holiday for the weekend and I'm jonesing for some BRITISH EMPIRE, FUCK YEAH! action I thought I'd post this question inspired by AD's alternate planes for the FAA.
In OTL the two most famous fighters of the Battle of Britain were the Hawker Hurricane and the Supermarine Spitfire, but can anyone design a third plane to go with them? Of similar performance and armament to the existing two but instead of an inline engine it should be powered by a radial.
Away you go.