Gear 1 - Addendum (da1): mm
Gear 1 - Pitch Circle (d1): mm
Gear 1 - Dedendum (df1): mm
Gear 2 - Addendum (da2): mm
Gear 2 - Pitch Circle (d2): mm
Gear 2 - Dedendum (df2): mm
Center Distance (C): mm
Gear Ratio (z1/z2):