The Bristol Type 123 was a biplane fighter designed to Air Ministry specification F.7/30. It called for a four-gun fighter with the preference that it was powered by the evaporatively-cooled Rolls-Royce Goshawk. Testing revealed serious lateral instability, which re-designs failed to reduce Further development was abandoned and F7/30 was won by the Gloster Gladiator https://www.destinationsjourney.com/historical-military-photographs/bristol-type-123/ #aeroplane #Aircraft #airplane #aviation #biplane #Bristol123 #BristolType123 #fighter #RAF #RoyalAirForce