diff --git a/017_science/data-updates.lua b/017_science/data-updates.lua
index 0070aad..c0ddb98 100644
--- a/017_science/data-updates.lua
+++ b/017_science/data-updates.lua
@@ -15,4 +15,58 @@ for _, mod in pairs(data.raw.module) do
 			end
 		end
 	end
-end
\ No newline at end of file
+end
+
+--increase belt speed to 15x
+for _, belt in pairs(data.raw["splitter"]) do
+	if (belt.speed * 32) % 1 == 0 and belt.speed * 32 < 8 then
+		belt.speed = belt.speed * 45 / 40;
+	end
+end
+for _, belt in pairs(data.raw["transport-belt"]) do
+	if (belt.speed * 32) % 1 == 0 and belt.speed * 32 < 8 then
+		belt.speed = belt.speed * 45 / 40;
+	end
+end
+for _, belt in pairs(data.raw["underground-belt"]) do
+	if (belt.speed * 32) % 1 == 0 and belt.speed * 32 < 8 then
+		belt.speed = belt.speed * 45 / 40;
+	end
+end
+
+--simplify drill stats
+data.raw["mining-drill"]["burner-mining-drill"].mining_speed = 0.25
+data.raw["mining-drill"]["burner-mining-drill"].mining_power = 3
+
+--simplify ore hardness
+for _, ore in pairs(data.raw.resource) do
+	if ore.minable.hardness == 0.9 then
+		ore.minable.hardness = 1
+	end
+end
+data.raw.resource.stone.minable.hardness = 1
+
+--decrease smelting times
+for _, recipe in pairs(data.raw.recipe) do
+	if recipe.category=="smelting" then
+		if recipe.energy_required then
+			if (recipe.energy_required / 3.5) % 1 == 0 then
+				recipe.energy_required = recipe.energy_required * 3.2 / 3.5
+			end
+		else
+			if (recipe.normal.energy_required / 3.5) % 1 == 0 then
+				recipe.normal.energy_required = recipe.normal.energy_required * 3.2 / 3.5
+			end
+			if (recipe.expensive.energy_required / 3.5) % 1 == 0 then
+				recipe.expensive.energy_required = recipe.expensive.energy_required * 3.2 / 3.5
+			end			
+		end
+	end
+end
+
+--remove assembling-machine ingredient_count limits
+for _, machine in pairs(data.raw["assembling-machine"]) do
+	if machine.ingredient_count < 10 then
+		machine.ingredient_count = 10
+	end
+end