Wrong way round prop
The AB book on the Fleet Air Arm, by Sturtivant and Burrow lists several aircraft as being destroyed "probably" on the 4/5 May 1942 during the bombing of the Cowes factory. Several aircraft, mainly in the "X" range appeared to me as being built too late to be destroyed on that night.
I then went to the Surrey History Centre at Woking and looked at the Coroners Report on the accident. The identity of the aircraft was stated - X9558, a
Walrus I