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Aviation History
1963
1963 - 0087.PDF
LIGHT International, 17 January 1963 DISCHARGE NOZZLES 79 Conway: life achieved to date, 5,500hr; 183 sets seen above 3,000hr Avon: life achieved to date, 6,500hr; 80 sets seen above 4,000hr Dart: life achieved to date, I2,000hr; 1,300 sets seen above 4,000hr and 200 sets above 6,000hr NOZZLE GUIDE VANES Conway: life achieved to date, 5,500hr; I83setsseenat3,000hr Avon: life oc.iieved to date, 8,500hr; 30 sets seen ai3,000hr Dart: life achieved to date, 8,000hr; 2,500 sets seen at 3,000hr and 250 sets at 5,000hr TURBINE BLADES (SOLID) Conway (1st l-p); life achieved to date, 5,500hr; 161 sets seen at 3,000hr Dart (h-p): life achieved to date, 8,500hr; 70 sets seen at 3,000hr and 12 at 7,000hr (l-p life, I6,000hr; 1,500 sets seen at 3,000hr and200atl0,000hr) Avon (h-p): life achieved to date, 8,000hr; / 6 sets seen at 5,000hr AIR-COOLED BLADES Conway (h-p): life achieved to date, 5,500hr; 74 sets seen at 3,000hr EXPENSIVE HOT PARTS Dart: illustration below shows the lives which have been achieved without repair on critical portions of the Dart turboprop in airline service. These long lives promote lower material costs Flame tube • 10.000 HOURS LP. Turbine disc - 11.080 HOURS HP Turbine blades - 8.5O0 HOURS LP Turbine Wade* - 14,000 HOURS LP. Koxile guide vano - 16.000 HOURS M.P. Turbine disc - 10,000 HOURS Discharge marie • 12.000 HOURS H.P- Nonlc guide raws - 8,000 HOURS
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