![Improving the Upright Piano Action: A Mechanical Engineering Project Follow Up. | by The STEminists | Medium Improving the Upright Piano Action: A Mechanical Engineering Project Follow Up. | by The STEminists | Medium](https://miro.medium.com/v2/resize:fill:224:224/1*RPuIIrtr_6A4l9SO2YRL3A.jpeg)
Improving the Upright Piano Action: A Mechanical Engineering Project Follow Up. | by The STEminists | Medium
![Anyone know where I could buy the takumi piano springs online in this youtube video? It doubles the striking speed of an upright but I can't buy it in America : r/engineering Anyone know where I could buy the takumi piano springs online in this youtube video? It doubles the striking speed of an upright but I can't buy it in America : r/engineering](https://external-preview.redd.it/cYKW5GW2HQOvG3jeebL6eIyalvuIJqcRnBPyaQaYsqE.jpg?auto=webp&s=c34b3564d61a6153607789b5115ed2805d438051)
Anyone know where I could buy the takumi piano springs online in this youtube video? It doubles the striking speed of an upright but I can't buy it in America : r/engineering
![partituras de 松谷卓 "TAKUMI / 匠 - 松谷 卓 / SUGURU MATSUTANI - Piano & Violin - (Taro Hakase Ver.)" Violín y Piano | Jellynote partituras de 松谷卓 "TAKUMI / 匠 - 松谷 卓 / SUGURU MATSUTANI - Piano & Violin - (Taro Hakase Ver.)" Violín y Piano | Jellynote](https://d19cna3yr6weg2.cloudfront.net/images/prod/score_previews/b28a0ba6-cd60-48af-ac8a-7a6068d1d7c9.png)