Rotary Macerator
Name Rotary Macerator
Type Machine
Max Energy EU
Stackable Yes (64)
Source Mod Advanced Machines

The Rotary Macerator is added by Advanced Machines. This is an upgraded version of the Macerator.

Important BugEdit

12/16/2012 There is currently a bug which can corrupt the world save file that is linked with this machine. Please read this postfor more details. Note that this bug only affects FTB Beta A. Other FTB packs have received a patch to resolve this bug.


The Rotary Macerator accomplishes the same thing as a
Rotary Macerator Setup

A very basic setup for the Rotary Macerator.

Macerator (grind 1 piece of ore into 2 units of Dust) but will increase its speed over time. Like the Induction Furnace, it features 2 input and 2 output slots that can process items simultaneously. If the machine is empty, it will lose speed by default. Applying a redstone current to the macerator will make it continue to use power to spin up. The default maximum processing speed is 1 item every 0.6 seconds.

This machine cannot spin faster than 7500 RPM unless you add Overclocker Upgrades. The maximum achieveable speed is 15,500 RPM.

While this machine is not as efficient for macerating ores as Industrial Grinder or Pulverizer, it is recommended for grinding large amounts of items which don't produce side products.

NOTE: The Rotary Macerator's second slot is currently only used for a modifier. The modifier allows the player to create Bronze Dust by macerating 3 Copper Ore, and 1 Tin Ore (3 copper on left, tin on right) but GregTech removed that feature. However the Induction Smelter has the same feature.

Energy and StorageEdit

The Rotary Macerator can receive up to 32 EU/t, unless it is upgraded with a Transformer UpgradeIf you supply it with any more energy than low voltage (32 EU/t), the Rotary Macerator will explode!

By default, this machine will consume 3 EU/t while charging, idling, or processing items.

The Rotary Macerator is able to store 5000 EU, this is enough to process 14 ores, starting from 0 RPM. Even after losing initial power, the Rotary Macerator continues to work until its RPM reaches 0.


7. Refined Iron Ingot

1. Macerator

1. Advanced Machine Block

Crafting GUI.png

Refined Iron

Refined Iron

Refined Iron

Refined Iron


Advanced Machine Block

Refined Iron

Refined Iron

Refined Iron

Rotary Macerator

Video TutorialEdit

Feed The Beast Machine Tutorials Rotary Macerator04:30

Feed The Beast Machine Tutorials Rotary Macerator

This video goes over how to build, power and automate the Rotary Macerator, as well as the uses and resources needed for it.

How to Feed the Beast in Minecraft - Rotary Macerator & Induction Furnace - 1006:55

How to Feed the Beast in Minecraft - Rotary Macerator & Induction Furnace - 10


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