Vickers E.F.B.3
1913
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Vickers E.F.B.3

In December 1913, a third Vickers Experimental Fighting Biplane, the E.F.B.3, made its debut. The slight overhang of the top wing was eliminated to result in an equi-span biplane, the fuselage nacelle underwent further redesign, the celluloid windows being eliminated, and, most important, ailerons on both upper and lower wings supplanted the wing-warping control of its predecessors. The 100hp Gnome Monosoupape rotary was retained as was also the 7.7mm Vickers gun. Displayed at the Aero Show held at Olympia in 1914, the E.F.B.3. was the subject of an order from the Admiralty for six aircraft placed in December 1913. This contract was subsequently taken over by the War Office, the six aircraft embodying a number of modifications - at least one was fitted with an eight-cylinder Vee-type 80hp Wolseley engine - and being referred to as the Vickers No (or Type) 30. These were to lead in turn to the E.F.B.5 and F.B.5 Gunbus.

3-View 
Vickers E.F.B.3A three-view drawing (700 x 625)


Specification 
 WEIGHTS
    Take-off weight762 kg1680 lb
    Empty weight476 kg1049 lb
 DIMENSIONS
    Wingspan11.38 m37 ft 4 in
    Length8.38 m28 ft 6 in
    Height2.97 m10 ft 9 in
    Wing area35.77 m2385.02 sq ft
 PERFORMANCE
    Max. speed97 km/h60 mph
    Range483 km300 miles

Comments
Terrence Murphy, 09.09.2014

And don't forget the Vickers E. F. B. 4 which came after the 3. This is the way I wrote it up in my upcoming book:

After the Admiralty ordered Vickers to build six copies of the E. F. B. 3., Vickers progressed to the new experimental model EFB.4, which featured a more streamlined nacelle, two tail booms, and was fitted with a drum-fed Lewis gun to be mounted on a spigot forward of the gunners cockpit. The single prototype first flew in July, 1914.

paidui, 20.06.2011

who easv the inventer of the Vickers E.F.B.3

, 20.06.2011

Vickers E.F.B.3

bill, 17.04.2007

who easv the inventer of the Vickers E.F.B.3

bill, 17.04.2007

who easv the inventer of the Vickers E.F.B.3

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