| | wall thickness estimate (m) | | glass Young's modulus estimate (Pa) | | glass density estimate (kg/m^3) | | | | dimensionless bowl mode coefficient estimate | | rotation rate estimate (rpm) | | finger normal force estimate (N) | | wet friction coefficient estimate | |
| | | | estimate only - pending measurement, not fabrication authority | rim mode frequency estimate (Hz) | | rim surface speed estimate (m/s) | | available friction drive estimate (N) | |
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