*POWER INCREASE FOR BAC.145. In parallel level at a take-off weight of 7,850 lb. is 4,400 ft./min. was used during the launching of the Tanker 'British with the Viper 11 powered BAC.145 programme and the time to 30,000 ft. is 12 min. Maximum level Admiral' on March 17 to detect changes in the vessel's which is being carried out under Ministry of Aviation T.A.S. at 20,000 ft. at 100 per cent m.r.p.m. is 412 fore and aft trim as it entered the water. Measurement of contract and which consists of the conversion of two knots. trim was particularly important in regard to the depth of Jet Provosts to BAC.145/VI 1 standard leading to first Further development of a specialized ground attack channel that had to be dredged before launching the flight later this year, development is also under way of or C.O.I.N. aircraft is also in progress. This could be giant tanker. a more powerful version at present known as the either a pressurized or an unpressurized variant. Vickers-Armstrongs' shipbuilders used the Sperry BAC.145/V20. Known by a Type No. BAC.167 (pressurized) and twin gyro platform to detect minute changes of trim of A Viper 20 (of 3,000 lb. static thrust) has been BAC.164 (unpressurized), these aircraft arc powered as little as 12 in. at the bow of the 'British Admiral'. installed in a Jet Provost Mk.4 airframe for flight by a Viper Mk.522 of 3,410 lb. static thrust and evaluation purposes and this aircraft, the BAC.166, incorporate self-sealing fuel tanks, provision for made its maiden flight on March 16. A flight test armour plate and greatly increased load carrying *MIDAS SUPREME. The only night recorders in programme is now in hand so that much of the engine capability. Maximum combat take-off weight will be the world which meet the latest F.A.A. crash impact installation work and basic handling of this airframe/ 10,500 lb. with a permissible increase to 11,500 lb. for and survival rules arc, according to the Company, engine combination will be completed well in advance ferrying or long-range reinforcement purposes. those made by Royston Instruments Ltd. The F.A.A. of the availability of the first pressure cabin fuselage, has recently increased its requirement for aircraft enabling production deliveries of either pressurized or flight recorders and this has resulted in equipment *DUAL CERTIFICATION FOR BAC ONE- unpressurized variants, to be offered at a much earlier being fitted in British aircraft becoming obsolete—as ELEVEN. On April 6 the BAC One-Eleven was date than would otherwise be possible. far as the F.A.A. is concerned. awarded a certificate of airworthiness by the British Air Substitution of the Viper 20 for the Viper 11 requires The Ministry of Aviation's mandatory requirements Registration Board, and on April 16 the American modification of the engine mounting, intake ducting for British aircraft, which come into force next year, F.A.A. awarded a transport type certificate of air and jetpipe, to accommodate the increased size and call for a recorder which can withstand a 100g impact worthiness for the One-Eleven 200 Series. weight of the engine itself and also the increased air Shock and the ability to withstand a static crushing The One-Eleven is now in service in Europe with mass flow through the engine. In fact, the jetpipe force of 2,240 lb. applied for 5 min. However, the new British United Airways—the first London-Genoa ser diameter is increased by 2 in. to 17 in. In addition, the F.A.A. regulations require a 1,000g impact shock and vice having commenced on April 9—and in North windscreen and canopy have been redesigned to im a crushing force of 5,000 lb. In addition, the F.A.A. America with Braniff International Airways who prove visibility and reduce drag. The canopy is now require the recorder to survive one of the most strin operated their first scheduled service on April 25 . power-operated. gent tests possible—the dropping of a steel bar weigh A large nose compartment contains the communica ing 500 lb. from a height of 10 ft. The recorder must *ANOTHER 137 LIVES SAVED BY R.F.D. tions and navigation equipment, and the prcssuriza- also be able to withstand a temperature of 1,200 deg. EQUIPMENT DURING 1964. It is particularly appro tion and air conditioning system. Access to these is C. for 30 min. over 50 per cent of its surface casing. priate that we should record in this issue, which contains facilitated by a detachable nose-cap and hinged side Neither of these capabilities arc required by the Min a major feature on Martin-Baker ejection seats on the panels. As far as fuel capacity is concerned there are istry of Aviation. occasion of 1,000 lives saved, the number of lives saved bag-type tanks of 182 Imp. gall. total capacity and The F.A.A. informed Royston some two years ago by R.F.D. marine and aeronautical equipment last year. integral tanks together giving a total internal fuel that the majority of recorders were destroyed by Seven air force fliers, all from countries within the capacity of 262 Imp. gall. Strong points for the attach crushing and this is why the Company pursued a N.A.T.O. alliance, were saved by R.F.D. single-seater ment of underwing stores arc provided beneath each development policy aimed at combatting this hazard. dinghies—four being from Sweden, two from Denmark wing and a total underwing load of over 3,000 lb. can Midas recorders by Royston which meet the latest and the other from Britain. be carried. Based on Jet Provost programmed loading F.A.A. specifications have already been ordered by tests, the BAC.145 wings will have an average life Air Canada (for their DC-8s, Vanguards and Vis expectancy of over 5,500 hours. *AIRCRAFT INSTRUMENT FACILITATES counts). As reported in our 'Orders and Contracts' Performance-wise the BAC.145/V20 is airborne LAUNCH OF BRITAIN'S LARGEST TANKER. column in the March 1965 issue of AIRCRAFT ENGINEER- under ISA conditions at a maximum take-off weight of A Sperry twin gyro platform, normally used to provide ING, the United States Air Force has placed an order 9,200 lb. in 2,800 ft. (to 50 ft.). Rate of climb at sea a precision heading and attitude reference in aircraft, for Midas equipment worth £540,000. May 1965
Aircraft Engineering and Aerospace Technology – Emerald Publishing
Published: May 1, 1965
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