OOOOOO OOOOOH!!!!
I know one at last!
This came up on a MOOC 'Futurelearn' course wot I dun, in a discussion regarding prejudice against monoplanes within the air ministries of the Allies despite demonstrated promising performance figures.
Loening M-8
Despite being a heavily armed 2 seater, it had a top speed of 145mph which was fast in 1918. Cancelled due to end of hostilities,