The Reader's Digest, Volúmenes17-18Reader's Digest Association, 1930 |
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Página 429
... plane and engine refused to respond . He turned earthward . Thus Lieut . Apollo Soucek on June 4th established the altitude record for land planes . Just how high can we fly ? We have solved problems of altitude flying to the 40,000 ...
... plane and engine refused to respond . He turned earthward . Thus Lieut . Apollo Soucek on June 4th established the altitude record for land planes . Just how high can we fly ? We have solved problems of altitude flying to the 40,000 ...
Página 624
... plane will ascend only 100 feet a minute . This is the " service ceiling " above which it does not pay a commercial operator to fly the plane . After reaching the ' service ceiling , " he keeps right on until the ship refuses to climb ...
... plane will ascend only 100 feet a minute . This is the " service ceiling " above which it does not pay a commercial operator to fly the plane . After reaching the ' service ceiling , " he keeps right on until the ship refuses to climb ...
Página 870
... planes to tremendous speeds and pressures . The trick was to take them almost to the breaking point and the collapse of a plane meant life or death on the toss . His tests proved conclu- sively that pursuit planes should be built ...
... planes to tremendous speeds and pressures . The trick was to take them almost to the breaking point and the collapse of a plane meant life or death on the toss . His tests proved conclu- sively that pursuit planes should be built ...
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