| Metal 1 | Metal 2 | Impurity | Ratio | Simplified | Percentage | Clusters | Output | Out Ratio | Margin | Effective Ratio |
| Copper | Tin | NONE | 39:13:00 | 06:02 | 75.0% Cu | 52 | 39 | 75.00% | 1.923% | 73.07%-76.92% |
| Copper | Tin | NONE | 50:17:00 | 50:17 | 74.6% Cu | 67 | 50 | 74.62% | 1.492% | 73.13%-76.11% |
| Copper | Tin | NONE | 40:16:00 | 05:02 | 71.4% Cu | 56 | 41 | 73.21% | 1.786% | 71.42%-74.99% |
| Copper | Tin | NONE | 28:14:00 | 04:02 | 66.6% Cu | 42 | 32 | 76.19% | 2.381% | 73.80%-78.57% |
| Copper | Tin | NONE | 26:26:00 | 02:02 | 50.0% Cu | 52 | 0 | 00.00% | 0.000% | 00.00%-00.00% |
LOOKS like a straight 75% ratio, one way or another. Independent, unlogged tests seem to confirm. One tin seems all that's necessary, similar to steel.