With your extensive knowledge of piano; I`ve am hoping you may be able to inform me if anyone has ever put together a piano without black keys; (ie 12 thin white keys per octave)

It would still have 12 keys per octave ; so hence the white keys would need to be about 2/3 current size. Hence all scales & chord fingering would become uniform.

I would really like to develop a synthesiser on such a model; and call it the `uniklavier`; and have the keys mapped to whatever temperment/scale adjustment you like.

Your thoughts would be appreciated,

Phillip Guerin.

Don`t know of any, but I`m sure someone has tried to make one.
It would have to be pretty high-tech, to adjust to any temperament you want to play, like keys raising and lowering, and they`d have to color themselves so you know where to play or else it would be all white and you can`t tell C from D.
Sounds interesting. Maybe someone would use it to play atonal music.