Torsional vibration; Gimballed vs Unipivot

[James D]

Steven,

Yes, the old Arcos beauties were nice looking and inspirational. I'm planning a flat arm like that, I think for a unpivot it will work nicely - like the Scheu Cantus. To get back on topic, it should help by increasing the torsional moment of inertia and provide enough headshell mass for a 103 :-). The only issue I'm not sure of is how to control the lateral resonances through the flat plane of the arm. Its a bit like the panel vibrations in the Quasar OB frame. There I allowed then to happen but ensured that the dimensions were constantly changing so the vibrations were wideband and low amplitude. I'm not sure that will be the right approach for a tone arm...


James