Complex sentence: The aircraft was structurally advanced for its time and had good flying qualities, but was underpowered, and with no interest in production, the aircraft was dismantled at Martlesham Heath in 1930 and used to investigate the effects of corrosion on light-alloy stressed skin structures.
Split into simpler sentences: The aircraft was structurally advanced for its time and had good flying qualities. It was then used to investigate the effects of corrosion on light-alloy stressed skin structures.