FlightGlobal.com
Home
Premium
Archive
Video
Images
Forum
Atlas
Blogs
Jobs
Shop
RSS
Email Newsletters
You are in:
Home
Aviation History
1928
1928 - 0939.PDF
OCTOBER 11, 1928 BRITISH EXHIBITS AT THE •Illlllll mun SHOW THE MACHINES THE BLACKBURN AEROPLANE CO., LTD. THE exhibits of the Blackburn Aeroplane Co., Ltd., consist of the following : a " Bluebird III " land plane completely rigged ; model of the " Bluebird " with interchangeable wheel and float chassis ; a " Bluebird " Duralumin float : model of the " Lincock " (classed as a sporting single- or two- seater machine) ; model of a large 3-Jupiter monoplane flying-boat; framed photographs and drawings of the " Iris II," " Ripon II," " I.incock " and " Bluebird " land machine and seaplane ; albums of photographs, specifica- tions, brochures, etc. The limitation of the exhibits to commercial and civil types rather cramps the Blackburn Company's style, as most of their designs up to date have been of a military nature. The Blackburn " Bluebird III " is a modified version of the Mark II. It has the petrol tank in the top centre plane, whereas the tank in Mark II was installed inside the fuselage behind the dashboard. A larger oil tank having a capacity of 5 gallons (4 gallons of oil and 1 gallon air space) is also fitted. Further, the ailerons have been shortened to give ligher control. The wings are of normal spruce spar and built up rib construction with internal bracing of spruce drag struts and steel tie rods. External bracing consists of streamline wires. The design of the folding joints ensures that no undue stress is put upon the wings or joints v, hen folding. Steel tubes only and streamline wires are used in stressed portions of the centre structure. The fuselage is composed of two units, which are complete in themselves and detachable from each other for repair or replacement. The engine mounting, consisting of duralumin plate box structure, is secured by four bolts to the cockpit structure and separated from the cockpit by a fireproof bulkhead. There is a normal tail plane with elevators of large area hinged at the rear spar. A special feature of the control surfaces is that the same liinge fitting is used for ailerons, elevators, and rudder. The wings.can be folded in 4 mins. by one person. The aileron and elevator controls are operated by two side- by-side control levers, either of which may be detached when dual control is not required. Two side-by-side rudder bars control the rudder, and a central control lever and quadrant, easily operated from either seat, controls the engine throttle. The run of the control cables to the control surfaces is arranged as simply and accessibly as possible. Aileron cables run from a central lever behind and below the cockpit seat to the bottom planes, the cables passing over the hinge centres in order to ensure satisfactory folding. The two ailerons on each side THE BLACKBURN " BLUEBIRD 'fitted with the Armstrong Siddeley AT BERLIN : The " Bluebird " exhibited at the Show is a Mark III,' Genet," and is similar in most respects to the Mark II shown above. 869 E
Sign up to
Flight Digital Magazine
Flight Print Magazine
Airline Business Magazine
E-newsletters
RSS
Events
