14 July 2022
- 11:1611:16, 14 July 2022 diff hist +449 Hydraulic ram pumps →Construction: Additional requirements for the drive pipe
13 July 2022
- 17:3617:36, 13 July 2022 diff hist +2,636 N Talk:Pedal powered generator Some implications of the limited power available from human muscle current
- 16:3116:31, 13 July 2022 diff hist +946 Hydraulic ram pumps →How does it work?: Add more detail about why the impulse valve re-opens and the importance of the supply pipe