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Eartoground

Eartoground April 1969 AIRCRAFT ENGINEERING 33 *PROFIT FROM NUMERICAL CONTROL. A symposium entitled 'Profit from Numerical Control' will be held by PERA at Melton Mowbray on 23rd and 24th April as part of the Ministry of Technology's Numerical Control Advisory and Demonstration Ser­ vice, to assist directors and managers of all sizes of firms to evaluate the potential financial and technical benefits of numerical control for their particular operations. The symposium is part of the PERA- operated section of the Mintech scheme. The whole scheme provides a fully integrated advisory and demonstration service covering every aspect of numeri­ cal control. *CZECHOSLOVAK L-39 JET TRAINER. The L-39 jet trainer will be a successor to the well-proven Czechoslovak L-29 Delfin trainer, the production of which now exceeds 2,000 machines. The designers were asked to preserve the good handling qualities of the L-29 while making sure that the L-39 is able to use up-to-date and future airborne instrumentation including electronics, and thus to facilitate the con­ version of pilots for advanced aircraft; also to design an aircraft which, while keeping the basic training The flexible rubber fuel tanks are installed inside The Super VC10 was demonstrated a week later to capability, will also allow easy adaptation to particular the fuselage next to the air intake ducts. The fixed some 50 executives of the American Airlines Electronic users' requirements. wing-tip fuel tanks are attached to the wing tips. Engineering Committee at the Ministry of Tech­ The L-39 is an all-metal jet aircraft with an air The aircraft is equipped so as to permit the special nology's Blind Landing Experimental Unit at R.A.E. intake arranged above each wing root. The fuselage L-39 automatic check-out set to be used for automatic Bedford. No American airliner has yet reached a is subdivided into two sections. The nose section functional checking of the systems. comparable level of failure-surviving landing per­ accommodates the basic electrical and electronic formance. The L-39 aircraft is suitable for basic and advanced instrumentation. To the rear of the nose section there training of jet pilots and can be operated in extremely Equally significant was the successful operation is a pressurised and air conditioned cockpit accom­ difficult climatic conditions, with a minimum of during Concorde's maiden flight of two portions (three- modating the two crew members. Two near-hinged ground support facilities and from rough airstrips axis autostabilisation and autothrottle) of the Elliott- canopies give an excellent overall view. The single- (the minimum required soil bearing value being SFENA second generation dual monitored automatic spar wing is attached to the bottom fuselage and about 70 lb./sq. in.). flight control system. Two other portions (flight provides protection to the crew in case of a crash director and electric pitch-axis trim) were fitted for landing. The wing has retractable two-slot landing *VC10 LANDS AUTOMATICALLY ON FIRST use at the pilot's discretion. flaps with an angle of 55 deg. when fully extended. FLIGHT. A significant demonstration of the in­ Two air-brakes are arranged below the wing leading creasing confidence in electronic autocontrol systems edge. The ejector scats have a zero altitude escape in airliners was given on March 8 when the seventeenth capability at speeds in excess of 100 km./h. The AI Super VC10 for British Overseas Airways Corpora­ *FORGING TITANIUM. A new brochure on the 25W bypass engine is situated behind the cockpit tion made two fully automatic landings at London forging of titanium has been produced by High Duty and can be slid out for servicing. The rear section of Gatwick airport during its very first test flight from Alloys Ltd. of Slough. Copiously illustrated with the fuselage with attached tailplanes is easily re­ British Aircraft Corporation's Wisley airfield. The examples of a comprehensive range of forgings, the movable and gives good access to the engine. The aircraft was fitted with a production Elliott Flight 34 page booklet gives full data on twenty-two different stabiliser trim is adjusted automatically depending Automation dual monitored autopilot system, which titanium alloys and background information on the upon the landing flap position. The undercarriage is has full Air Registration Board approval for auto­ pros and cons of using titanium. The purpose of the equipped with low-pressure tyres and a swinging matic landing with passengers. B.O.A.C.'s entire publication is to help design engineers in evaluating the axle, this arrangement having proved satisfactory in fleet of Super VC10s is being equipped with the various titanium alloys and copies may be obtained the L-29 aircraft. Elliott system. when requested on company letter/reading. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aircraft Engineering and Aerospace Technology Emerald Publishing

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0002-2667
DOI
10.1108/eb034496
Publisher site
See Article on Publisher Site

Abstract

April 1969 AIRCRAFT ENGINEERING 33 *PROFIT FROM NUMERICAL CONTROL. A symposium entitled 'Profit from Numerical Control' will be held by PERA at Melton Mowbray on 23rd and 24th April as part of the Ministry of Technology's Numerical Control Advisory and Demonstration Ser­ vice, to assist directors and managers of all sizes of firms to evaluate the potential financial and technical benefits of numerical control for their particular operations. The symposium is part of the PERA- operated section of the Mintech scheme. The whole scheme provides a fully integrated advisory and demonstration service covering every aspect of numeri­ cal control. *CZECHOSLOVAK L-39 JET TRAINER. The L-39 jet trainer will be a successor to the well-proven Czechoslovak L-29 Delfin trainer, the production of which now exceeds 2,000 machines. The designers were asked to preserve the good handling qualities of the L-29 while making sure that the L-39 is able to use up-to-date and future airborne instrumentation including electronics, and thus to facilitate the con­ version of pilots for advanced aircraft; also to design an aircraft which, while keeping the basic training The flexible rubber fuel tanks are installed inside The Super VC10 was demonstrated a week later to capability, will also allow easy adaptation to particular the fuselage next to the air intake ducts. The fixed some 50 executives of the American Airlines Electronic users' requirements. wing-tip fuel tanks are attached to the wing tips. Engineering Committee at the Ministry of Tech­ The L-39 is an all-metal jet aircraft with an air The aircraft is equipped so as to permit the special nology's Blind Landing Experimental Unit at R.A.E. intake arranged above each wing root. The fuselage L-39 automatic check-out set to be used for automatic Bedford. No American airliner has yet reached a is subdivided into two sections. The nose section functional checking of the systems. comparable level of failure-surviving landing per­ accommodates the basic electrical and electronic formance. The L-39 aircraft is suitable for basic and advanced instrumentation. To the rear of the nose section there training of jet pilots and can be operated in extremely Equally significant was the successful operation is a pressurised and air conditioned cockpit accom­ difficult climatic conditions, with a minimum of during Concorde's maiden flight of two portions (three- modating the two crew members. Two near-hinged ground support facilities and from rough airstrips axis autostabilisation and autothrottle) of the Elliott- canopies give an excellent overall view. The single- (the minimum required soil bearing value being SFENA second generation dual monitored automatic spar wing is attached to the bottom fuselage and about 70 lb./sq. in.). flight control system. Two other portions (flight provides protection to the crew in case of a crash director and electric pitch-axis trim) were fitted for landing. The wing has retractable two-slot landing *VC10 LANDS AUTOMATICALLY ON FIRST use at the pilot's discretion. flaps with an angle of 55 deg. when fully extended. FLIGHT. A significant demonstration of the in­ Two air-brakes are arranged below the wing leading creasing confidence in electronic autocontrol systems edge. The ejector scats have a zero altitude escape in airliners was given on March 8 when the seventeenth capability at speeds in excess of 100 km./h. The AI Super VC10 for British Overseas Airways Corpora­ *FORGING TITANIUM. A new brochure on the 25W bypass engine is situated behind the cockpit tion made two fully automatic landings at London forging of titanium has been produced by High Duty and can be slid out for servicing. The rear section of Gatwick airport during its very first test flight from Alloys Ltd. of Slough. Copiously illustrated with the fuselage with attached tailplanes is easily re­ British Aircraft Corporation's Wisley airfield. The examples of a comprehensive range of forgings, the movable and gives good access to the engine. The aircraft was fitted with a production Elliott Flight 34 page booklet gives full data on twenty-two different stabiliser trim is adjusted automatically depending Automation dual monitored autopilot system, which titanium alloys and background information on the upon the landing flap position. The undercarriage is has full Air Registration Board approval for auto­ pros and cons of using titanium. The purpose of the equipped with low-pressure tyres and a swinging matic landing with passengers. B.O.A.C.'s entire publication is to help design engineers in evaluating the axle, this arrangement having proved satisfactory in fleet of Super VC10s is being equipped with the various titanium alloys and copies may be obtained the L-29 aircraft. Elliott system. when requested on company letter/reading.

Journal

Aircraft Engineering and Aerospace TechnologyEmerald Publishing

Published: Apr 1, 1969

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