Aeroplane and Commercial Aviation News, 81. kötet1951 |
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1 - 3 találat összesen 76 találatból.
40. oldal
... speed . on Earlier we found four barriers to increased forward speed . These were : ( 1 ) Power deficiency ; ( 2 ) shock " stall advancing blade tip ; ( 3 ) high - incidence stall on retreating blade tip ; and ( 4 ) vanishing propulsive ...
... speed . on Earlier we found four barriers to increased forward speed . These were : ( 1 ) Power deficiency ; ( 2 ) shock " stall advancing blade tip ; ( 3 ) high - incidence stall on retreating blade tip ; and ( 4 ) vanishing propulsive ...
43. oldal
... speed ratio . The existence of a separate means of propulsion is helpful but only at moderate tip - speed ratios . We have already discussed several other means for delaying the stall , such as the use of suitable blade profiles and ...
... speed ratio . The existence of a separate means of propulsion is helpful but only at moderate tip - speed ratios . We have already discussed several other means for delaying the stall , such as the use of suitable blade profiles and ...
11. oldal
... speed of the more A recent series of articles in THE AEROPLANE described German projects for such aircraft . Here , MR . L. E. BAYNES ing " convertible " aircraft which he designed in 1939 . copter into an aeroplane - which would ...
... speed of the more A recent series of articles in THE AEROPLANE described German projects for such aircraft . Here , MR . L. E. BAYNES ing " convertible " aircraft which he designed in 1939 . copter into an aeroplane - which would ...
Tartalomjegyzék
the Father of Aeronautics Cayleys work in elucidating | 28 |
Aerial Navigation as he termed it was a mechanical possi | 34 |
MATTERS OF MOMENT | 14 |
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