Tip: If you want "some" extra money, get wood cut mastery (around 10 points assigned to Orcs tech tree), should help pretty much.
I'm afraid not many people see this :D
@Killxor_kile: Rather destructive than constructive critic, please take closer look on what you're writing.
@metalpontus66: Did you know; Japanese blahblahblah train can travel up to 550 km/h with supramegnetic "engines". So those machines are relatively slow.
And with that tech they got there... must be around mach or two.