RV2 AC compressor Rebuild help

Machmeter1 said
@MaxPF, thanks for all your input. Here are more precise measurements - hope that helps your research:

View attachment 1715647166

View attachment 1715647168

View attachment 1715647169

OK, just to verify, your first measurement is 0.0665" (0.067" rounded up), 2.306", and 1.356". Is that correct?

Assuming so, that makes the displacement π(2.306÷2)²×(1.356-0.067)×2=10.7669=10.77in².