Aeroplane and Commercial Aviation News, 99. kötet1960 |
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491. oldal
... weight . Mr. Hafner gave the R expression for this blade weight requirement ( as a per- 550 + R centage of all - up weight ) where R is the rotor diameter . In practice , beyond a rotor diameter of about 45 ft . this minimum blade ...
... weight . Mr. Hafner gave the R expression for this blade weight requirement ( as a per- 550 + R centage of all - up weight ) where R is the rotor diameter . In practice , beyond a rotor diameter of about 45 ft . this minimum blade ...
8. oldal
... weight ratio roughly halve the lift engine weight . This factor , added to the installational improvements which six years of work on jet lift have shown to be possible , means that the account of structure and fuel weight - saving and ...
... weight ratio roughly halve the lift engine weight . This factor , added to the installational improvements which six years of work on jet lift have shown to be possible , means that the account of structure and fuel weight - saving and ...
10. oldal
... weight . Assuming that the engine thrust is 15,000 lb. , the P.1127 must weigh less than this when fully loaded if it is to take - off vertically . But it could make a short - distance take - off at a higher weight . In fact , today ...
... weight . Assuming that the engine thrust is 15,000 lb. , the P.1127 must weigh less than this when fully loaded if it is to take - off vertically . But it could make a short - distance take - off at a higher weight . In fact , today ...
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