Bristol 188 Jet Aircraft Reports supersonic experimental research 1950's RARE PD

Description: AERONAUTICAL RESEARCH COUNCIL REPORTS RAE APPROVED DVD PDF OR DOWQNLOAD '3' THREE DOCUMENTS AS : CP.798 , RM No.3551 & CP.816 Dated 1961 , 1965 & 1968 period Rare aircraft Test Reports Measurements of dynamic stability from simplified free-flight models of supersonic research aircraft (Bristol T.188) over the mach number range 1.2 - 2.6Low-speed wind-tunnel measurements of pressure fluctuations on the wing of a twin-jet aircraft (Bristol 188)Wind tunnel tests at mach numbers up to 1.8 model with .03 scale wings and nacelles of a twin-engined supersonic aircraft (Bristol 188) 145 detailed pages DVD or DOWNLOAD Technical descriptions, procedures, Performance , information , test data , analysis, rolling , yawing rudder , conclusions , , layouts, data , details - wing , fin , nacelle , trajectories , stability , illustrations, drag , variations , deflections, scale plans , model photos , actual pictures , dutch roll , oscillations, vector , effects , controls charts,, schematics, aerodynamics, coefficients , measurements, design , test systems DVD PDF or SECURE DOWNLOAD FILE OPTION -SELECT ZERO COST SHIPPING OPTION for download issue only An truly absorbing resource from a golden era DVD or DOWNLOAD PDF suitable for ALL computers issued and provided "as is" . period dated material with old age effects , it is an inert passive collectable , deterioration maybe present but does not detract form the historic nature of this period. Large watermark's not on actual item. small markings for creation integrity only . It is without warranties other than a working file, of any kind, whether express or implied. No disclaims or warranties, express or implied, including, but not limited to, implied warranties of merchant-ability and fitness for a particular purpose and non-infringement. No item archived has any promise of completeness or accuracy. The Bristol 188 is a British supersonic research aircraft built by the Bristol Aeroplane Company in the 1950s. Its length, slender cross-section and intended purpose led to its being nicknamed the "Flaming Pencil".[ The aircraft had its genesis in Operational Requirement 330 for a high speed (Mach 3) reconnaissance aircraft, which eventually developed into the Avro 730. As the 730 was expected to operate at high speeds for extended periods of time, more data was needed on high speed operations, leading to Operational Requirement ER.134T for a testbed capable of speeds greater than Mach 2. The aircraft was expected to run at these speeds for extended periods of time, allowing it to study kinetic heating effects on such an aircraft. The aircraft was expected to spend a considerable amount of time with a skin temperature around 300 Celsius The advanced nature of the aircraft meant that new construction methods had to be developed. Several materials were considered for construction and two specialist grades of steel were selected: a titanium-stabilized 18-8 austenitic steel and a 12%-Cr steel used in gas turbines (Firth-Vickers Rex 448). These had to be manufactured to better tolerances in sufficient quantities for construction to start. The 12% chromium stainless steel with a honeycomb centre was used for the construction of the outer skin, to which no paint was applied. Riveting was a potential method for construction but the new arc welding technique using an argon gas shield known as puddle welding was used. There were long delays with the method, which was less than satisfactory. The W. G. Armstrong Whitworth company provided substantial technical help and support to Bristol during this period; they produced major sections of the airframe as a subcontractor. North American used the same methods of argon welding of stainless steel honeycomb sheet metal for the XB-70 Valkyrie bomber. A fused-quartz windscreen and canopy and cockpit refrigeration system were designed and fitted but were never tested in the environment for which they had been designed.The specification for the aircraft required engine installations which permitted the fitting of different air intakes, engines and propelling nozzles. The 188 was originally intended to have Avon engines but the half ton lighter each Gyron Junior was substituted in June 1957, necessitating the engines mounted further forward with longer nacelles and jet pipes. The Gyron Junior was then under development for the Saunders-Roe SR.177 supersonic interceptor and incorporated a fully variable reheat, which achieved a smooth variation in thrust between dry and full reheat, so being one of the first in the world to give continuous variation in thrust from idle to max reheat. This choice of powerplant resulted in the 188 having a typical endurance of only 25 minutes, not long enough for the high-speed research tests that were required. Chief Test Pilot Godfrey L. Auty reported that while the 188 transitioned smoothly from subsonic to supersonic flight, the Gyron Junior engines were prone to surging beyond that speed, causing the aircraft to pitch and yaw. In order to solve the aerodynamic and flutter problems, a large number of scale models were tested. Some, mounted on converted rocket boosters, were launched from RAE Aberporth, for free-flight investigation. The first prototype Bristol 188 landing at Farnborough after giving a public display at the 1962 SBAC ShowIn May 1960, the first airframe was delivered to the Royal Aircraft Establishment at Farnborough for structural testsThe first prototype made its first public appearance in September 1962 when it was displayed on the ground and in the air at that year's Farnborough Air Show. In the same year the aircraft was seen in the film Some People.Measurements collected during testing were recorded onboard and transmitted to the ground station for recording. The flight information transmitted meant that a "ground pilot" could advise the pilot. The project suffered a number of problems,Nonetheless, although the 188 programme was eventually abandoned, the knowledge and technical information gained was put to some use for the future Concorde program. The inconclusive nature of the research into the use of stainless steel led to Concordes being constructed from conventional aluminium alloys with a Mach limit of 2.2. Experience gained with the Gyron Junior engine, which was the first British gas turbine designed for sustained supersonic operation, additionally later assisted with the development of the Bristol (later Rolls-Royce) Olympus 593 powerplant which was used on both Concorde and the BAC TSR-2. The announcement that all development was terminated was made in 1964, the last flight of XF926 taking place on 12 January 1964. In total the project cost £20 million. By the end of the programme, considered the most expensive to date for a research aircraft in Great Britain, one aircraft had to be "cannibalised" in order to keep the other airframe flightworthy detailed pages DVD PDF or SECURE DOWNLOAD FILE OPTION - SELECT ZERO COST SHIPPING OPTION for download issue only A Fascinating part of History Easy use on any computer, view the historic detail . ONE OF THE MOST COMPREHENSIVE STUDIES ON THIS RARE AIRCRAFT ALL ON EASY USE COMPUTER CD - MODERN IMAGE MANAGEMENT BRINGS THESE MILITARY PLANS DIRECT TO YOU ,easy use any computer pdf files. PRINT IN PART OR AS A FULL SET - A SUPERB RESOURCE. . Capture the feel and detail of these famous aircraft ARCHIVES ARE ON COMPUTER DISC MEDIA CD/DVD UNLESS STATED OTHERWISE DVD PDF or SECURE DOWNLOAD FILE OPTION - SELECT ZERO COST SHIPPING OPTION for download issue only DVD HAS PLAIN LABEL, With old archives of this nature some fading / appropriated ageing maybe present in the transfer, this transfer is good quality .. all images are perfectly serviceable. . Absolutely no Misappropriation can be laid at the this material in any shape or form. they are historically accurate no indemnity will apply for end use The accuracy or completeness of documents is not guaranteed they are historically accurate to produced date, These archived works are excellent reference material for researchers,authors,enthusiasts,historians. project modellers etc.. Indeed anyone with a interest in historic items such as these. .. 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