Deadlock's Stacking Beltboxes & Compact Loaders

Adds minimalist 1x1 loaders and stacking beltboxes for 5x belt compression for ores, plates and some intermediate products
a day ago
0.17
69441

b Inserters failed to load stacked coal into furnaces (overloading)

- 5 months ago
(updated 5 months ago)

I use stacked coal as fuel for furnaces, but after a short time all inserters get blocked while trying to insert more stacked coal items as allowed. I removed the fuel, but short later, some inserters got stucked again.

Screenshot:
https://s17.directupload.net/images/190620/4pirzhoz.png

At this pciture there are already 5 coal items in the furnace and the inserter carries another coal item.
There are hundert more furnaces to the right, all of them got in trouble - zero production.

Sys specs:
Factorio 0.17.50
Beltboxes 2.2.0 - stack size changed from 5 (default) to 10 in menu settings.
+ other mods

EDIT:
I have reproduced the bug with a fresh clean game (only 30 seconds gameplay) without any other mods but beltboxes.
The last furnace in the row is blocked already at this savegame.

Upload with savegame + mod directory:
https://www.file-upload.net/download-13640894/FurnaceOverloading.zip.html

- 3 months ago

This is.. really weird. The stacked coal is very much a 'normal' fuel item being handled by the factorio engine just like normal coal would, it just happens to have a higher fuel value and lower stack size. You might've found an unintended behavior in the base game around how it's enforcing fuel stack sizes on furnances.

- 3 months ago

It seems that this is due to the vanilla inserter behavior - they're grabbing 2 when there's room for 1 in the furnace, then holding the other; fuel items with stack sizes of between 2 and 5 can potentially jam up like this :(