Langley Memoir On Mechanical Flight : Pt. 1-
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In the engine the three points aimed at in the design were lightness, strength and power, but lightness above all, and necessarily in a degree which long seemed incompatible with strength. No attempt was made to secure the re- quirements of modern steam-engine construction, either in the distribution of the steam or the protection of the cylinder against the radiation of heat by a suitable jacketing. The very narrow limits of weight permissible required that the bar- 112 SMITHSONIAN CONTRIBUTIO...NS TO KNOWLEDGE VOL. 27 rel of the cylinder should be as thin as possible, that no protective jacketing should be used, and that the valve motion should be of the simplest description. To obtaining the greatest lightness consistent with indispensable power, every- thing else was subordinated ; and hence, all expectation of ordinary economical efficiency had to be abandoned at the outset. It was only after long trials in other directions that Mr. Langley intro- duced the aeolipile device, which for the first time provided sufficient heat.
What to read after Langley Memoir On Mechanical Flight : Pt. 1-?
You can find similar books in the "Read Also" column, or choose other free books by S P Samuel Pierpont Langley to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
In the engine the three points aimed at in the design were lightness, strength and power, but lightness above all, and necessarily in a degree which long seemed incompatible with strength. No attempt was made to secure the re- quirements of modern steam-engine construction, either in the distribution of the steam or the protection of the cylinder against the radiation of heat by a suitable jacketing. The very narrow limits of weight permissible required that the bar- 112 SMITHSONIAN CONTRIBUTIO...NS TO KNOWLEDGE VOL. 27 rel of the cylinder should be as thin as possible, that no protective jacketing should be used, and that the valve motion should be of the simplest description. To obtaining the greatest lightness consistent with indispensable power, every- thing else was subordinated ; and hence, all expectation of ordinary economical efficiency had to be abandoned at the outset. It was only after long trials in other directions that Mr. Langley intro- duced the aeolipile device, which for the first time provided sufficient heat.
What to read after Langley Memoir On Mechanical Flight : Pt. 1-?
You can find similar books in the "Read Also" column, or choose other free books by S P Samuel Pierpont Langley to read onlineMoreLess
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