Early Spitfire developments

[BarnOwlLover]

Some forum threads and such I found at Secret Projects and else where about the development of the early Spitfires (from Type 224 to Type 300), as well as pics of the Speed Spitfire and what happened to the Spitfire III prototypes.

Merlin ejector exhausts

During the development of the prototype Spitfire K5054, Rolls-Royce developed the ejector exhausts that became such a recognition feature. After several variations, some seen in rare photographs, the exhausts were paired up to create the triple arrangement seen on each side of the early...

www.secretprojects.co.uk

Evolution of the Spitfire: Supermarine Type 224 to 300

Found these. Couldn't find a suitable topic so far :) Source: P J R Moyes, Profile Publications 41 - Supermarine Spitfire I & II

www.secretprojects.co.uk

Supermarine Highspeed Spifire

https://aviadejavu.ru/Images6/HI/HI-9/99-3.jpg

https://aviadejavu.ru/Images6/HI/HI-9/99-4.jpg

https://aviadejavu.ru/Images6/HI/HI-9/99-5.jpg

And the Speed Spitfire and the Mk IIIs didn't go to waste even when their original purpose went away.