Originally Posted by
Erunion Telcontar
I found that when I had an effective ivory monopoly in my British game, I was earning 30-40k for trade, a huge amount. (1740's, Vanilla campaign)
With numbers of ships in slots, I tested it, the first ship in a slot produces 5 of the goods, for every trade ship you add to a slot you get 3 more. Take another slot and the first one gets five, every trade ship again will add 3 more after that. I have heard that once you reach 6 ships, you stop getting more goods, but I don't know, as I didn't test it.
To summarize,
1 trade ship in 1 slot will earn you 5 of the goods.
2 Will earn you 8 (all told)
3 will earn 11
4 will earn 14.
if you have two slots with 1 ship in each, you will earn 10 goods.
Two slots with 2 ships in each will earn 16 goods, 3 slots with 1 ship in each, 15 goods, 3 slots with 2 in each, 24 goods.
And so on, and so forth. Once you reach 6 trade ships in a slot, adding a seventh may or may not help. I am not sure.
As you can see, spreading your trade out is your best bet. Once all the tiles are used up, start stacking.
Hope this helped!