Originally Posted by
Asturias56
I was comparing the River Batch 1's s with the Batch 2's
Why? You're talking about two different classes separated by well over a decade?
Comparing RCB1 to Amazonas is daft given the history.
You appeared to be comparing RCB2 to Amazonas, which would be more sensible given their origin and relative proximity, but cost differences explained by the factors I outlined earlier.
I'm afraid your logic is impenetrable.....