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Aviation History
1948
1948 - 0486.PDF
12 Advertisements FLIGHT According to estimate APRIL 15TH, 194s ^AIRSPEED It is most unusual for the measured performance of any aircraft to equal or better that estimated in the earlier stages of design. Apart from any optimism natural to the human aerodynamicist, it is rarely that structural shapes and flying attitudes match the theoretical perfections of the drawing board. But the proto- type Ambassador tests are already proving the accuracy of the forecast figures. Cruising speeds are in some cases showing an improvement on those calculated, while both normal and asymmetric rates of climb are well up to the estimates, AMBASSADOR British European Airways' Future Mainliner AIRSPEED LIMITED, CHRISTCHURCH AND PORTSMOUTH Associated Companies in Australia, Canada, India, Africa and New Zealand
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