 In fact it was a "rebuild" in name only, as it was a completely new design, incorporating few if any actual components of the original (at this stage Farnborough were still not authorised to build aircraft from scratch).The Iris engine, seriously damaged in the F.E.1 crash, was replaced by a 50 hp.Gnome rotary engine, a two-seater nacelle was fitted, and the fore-elevator was replaced with one incorporated into a sesquiplane tail in the conventional manner.