How high is the production bonus of a great engineer in Civ5?
To quote the manual:
Special Ability: Hurry Production
What is a Pact of Secrecy? Also, what is a Pact of Cooperation? Ruler of the Seas, how to do it? How do I convert a city to my religion? Civilization 5 unending turn? What is the formula for city connection income? Do I gain income for connecting city-states to my trade network?
You can expend a Great Engineer to create
a sudden burst of production in a
city. The production is immediately
applied to whatever is presently being
built in the city – unit, building or
Wonder. This will usually be enough
production to immediately finish all
but the most massive Wonders, and it
will drastically shorten their
I had a great engineer during modern times, and using it to help produce the Statue of Liberty (1200 prod needed) yielded 750 production. Letting it help along for a Stock Exchange immediately finished this building (650 prod cost).
I assume that the amount of prod. generated is somehow game-stage related? Are there any known specific rules?
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The amount of production of a great engineer on normal speed is calculated using the formula
300 + 30 * city population
So in a city with a population of 1 the engineer only results in 330 production, in a size 15 it results in 750 production.
For quick speed the formula is:
200 + 20 * city population
For epic speed it is:
450 + 45 * city population
and for marathon it is:
900 + 90 * city population
The amount of hammers does not seem to be influenced by era, map size or difficulty level.
If you want to hurry late game wonders, build it in a city with a large population.