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| 来源： | Freesound 前往原页面 查看译文 |
| 作者： | KGJones |
| 许可： | CC-BY-NC 非商业署名许可协议 |
| 描述： | This is the sound of an oldfashioned rodtype well pump, which, until a few years ago, were quite prevalent on the island where I live. The pump consists of a piston at the bottom of a pipe that extends down to below the water level in a well. The piston is linked, via a long series of wooden rods, to a motordriven crank. The rods move up and down inside a pipe, each piston stroke bringing water to a pressure tank in the wellhouse. The motor drives the crank through a heavy gearbox, which makes the characteristic groaning sound you hear. When water is being lifted up the pipe, the pitch is low, then, as the piston plunges downward, the gearbox races, generating a higherpitched sound. You can hear the sound of the wooden rods banging against the pipe extending down inside the well, the groan of the gears, the subtle note of the motor, and a click at each cycle, whose source I'm uncertain of. Possibly it's due to play in the crank linkage. Sad to say, this wonderful pump was replaced by a silent submersible type pump not long after this recording was made. But at least you don't have to pull out the rods every couple years to replace the leathers on the piston The recording was made in 1985 with a Sony Walkman Pro cassette recorder and an AudioTechnica AT9400 mic. |
| 标签： | piston clicking groaning machinery pump rodpump water clanking well |
| 音频格式 | wav |
| 声音时长 | 00:29 |
| 文件大小 | 4.9 MB |
| 比特率 | 1410 kbps |
| 采样率 | 44100 Hz |
| 位深度 | 16 bit |
| 声道 | 立体声 |