Supermarine Type 224
Designed to meet Air Ministry Specification F.7/30, the Supermarine Type 224 was a low wing monoplane fighter aircraft armed with four .303 machine guns. The Air Ministry expressed a preference for the evaporatively cooled Rolls-Royce Goshawk, which was evaporatively cooled. This caused problems, which along with poor performance led to its elimination and the contract being awarded to the Gloster Gladiator.
The chief designer, R.J. Mitchell used lessons learned from this design when designing the Supermarine Spitfire.
Photos of scale models of the Type 224 can be found here.
