No "might" about it mate! It is the Short S.18 Knuckleduster! Well done!
Maybe it was a bit ahead of its competitors at the time with its all metal Alclad construction and a bit of a wobbly tail at first, it was always hampered by it's unreliable Goshawk engine and had to cope with the drag of the two large "cooling towers" on each nacelle, but it paved the way for the successful Sunderland and the lessons learnt by Rolls-Royce with the Goshawk paid dividends when it came to developing the magnificent Merlin
https://en.wikipedia.org/wiki/Short_Knuckleduster
dook has control
