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Production Tables, see here.
Produced Variants
P.111
Single seat experimental aircraft to Specification E.27/46 to meet the requirements of OR.241, designed to explore
the characteristics of tailless deltas. One Rolls-Royce 5,100 lb st Nene 3 RN.2 turbojet. The P.111A featured
four petal airbrakes on the fuselage and the undercarriage doors were changed to reduce the trim.
P.120
Produced to the same
specification as the P.111, to which it was similar apart from having a horizontal tailplane. One 5,100 lb st Rolls-Royce
Nene 3 RN.2 turbojet.