# Furnace Arrays / Auto-Smelters

Auto-smelters are slightly modified on Vanilla+ due to TPS fluctuations and reduced hopper speeds.

Due to these TPS fluctuations and reduced hopper speeds, you will notice a lot of furnaces are missed by your hopper minecart. Because of this, auto-smelters are typically around 50% as efficient on Vanilla+ as they would be a regular survival world.

## Fueling

The majority of people will use coal, blaze rods or other conventional methods to smelt their items. However, if you're smelting a bulk amount of items and do not have the fuel required for an extended smelting session, you may wish to hook a lava farm up to your smelter.

{% embed url="<https://www.youtube.com/watch?v=KMW7llnbx_I>" %}

## Super-smelters

{% hint style="info" %}
Super-smelters refer to large-scale auto-smelters.
{% endhint %}

[ https://www.mediafire.com/file/vnurjstb6gpbvjz/Autosmelter+by+Dropjawed.litematic/file](< https://www.mediafire.com/file/vnurjstb6gpbvjz/Autosmelter+by+Dropjawed.litematic/file>) (Dropjawed)

The above super-smelter is directional and must be built facing East or West according to following screenshot.

<figure><img src="/files/vxzI3SxoJpKfFXN9qPjG" alt="" width="563"><figcaption><p>When looking at the farm from this direction, you must either be looking East or West.</p></figcaption></figure>

<figure><img src="/files/QbnXrx4BLf9Pg1zcH9EG" alt="" width="563"><figcaption><p>The immediate hopper in this screenshot must have 1 stack and 56 items in it.</p></figcaption></figure>

* Before using the farm, you must load 6 hopper minecarts into the glass tube with the fence gate at the bottom. You can do this simply by pushing them in from above.
* This farm is recommended to use Coal Blocks. You can load your fuel into the chest minecart that travels around the lower rail system.
* You can place sand Shulkers directly onto the hoppers that feed into the loading bay, removing the need to manually move items into chests.

{% hint style="info" %}
If you're having issues with this design you can seek support in the Vanilla+ Community Hub Discord.

<https://discord.gg/G84mQa7H2y>
{% endhint %}

***

## Auto-smelters

Autosmelters do not suffer from the reduced hopper speed issue at the cost of being smaller and overall slower.

{% embed url="<https://www.youtube.com/watch?v=Oa8YF225GDg>" %}


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