Generally the fact that the team size has increased, and there are a lot of things in the engine that we already solved, should hopefully imply that the expansion takes way less time than the base game.
Factorio, took 7 years to be made (crowdfunding campaign in 2013 and 1.0 release in 2020). Will ...

Well that explains why nobody had replied yet.... going to fix that.
If the link still not working warn me again.

That is cool that you made the cannon from "Total Annihilation"

Nice to see someone got the reference :3

Edit: A friend confirmed the new link is working!

Type: Mod
Name: Big Bertha
Description: Adds a artillery-like turret and ammo.
License: http://creativecommons.org/licenses/by-nc-nd/4.0/%20CC%20BY-NC-ND%204.0
Version: 0.0.1
Release: 03-25-2016
Tested-With-Factorio-Version: 0.12.29
Category: Gameplay
Tags: Turret, Defence, Artillery ...

orzelek wrote:Delete crop-cache.dat and try to start the game again.

Didn't fix.

http://i67.tinypic.com/30dc4up.png

Full code:
data:extend({
{
type = "car",
name = "bomber",
icon = "__bomber__/graphics/bomber.png",
flags = {"pushable", "placeable-neutral", "player-creation"},
minable = {mining_time = 1, result = "bomber"},
max_health = 2000,
corpse = "medium-remnants ...