Following the loss of the E.F.B.1, Vickers undertook major redesign of its gun carrier while retaining the basic configuration to result in the E.F.B.2, again against an Admiralty contract. The E.F.B.2 eliminated the wing stagger of the previous aircraft and increased the span of the lower wing while retaining warping for lateral control. The fuselage nacelle was redesigned and large celluloid windows were inserted in its sides; the angular horizontal tail surfaces gave place to surfaces of elliptical form and a 100hp Gnome Monosoupape nine-cylinder rotary engine was fitted. The 7.7mm machine gun on a ball-and-socket mounting in the forward cockpit was retained, and the E.F.B.2 entered flight test at Bognor in the autumn of 1913, but crashed there during the course of October.

3-View

A three-view drawing (1278 x 904)