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AuthorRebsy
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This is a vertical TNT cannon designed for efficient operation. It features a staggered-detonation payload system capable of holding 8 TNT blocks, with options for variable staggering of the top TNT stack. An optional expander can increase the payload to 12 TNT with three toggle factors.

The cannon utilizes 12 TNT for propellant charges. Its compact footprint measures 7x7x9 blocks, making it suitable for integration into bases or ships. Key features include fireproofing, a failsafe mechanism, and resistance to overlap firing. A toggleable choke ensures zero circular error probable (CEP).

Materials Required

13 block types · 173 blocks · 18×20×14

Dark Oak Planks52
Redstone Wire33
Black Stained Glass22
Dispenser20
Repeater14
Redstone Lamp9
Redstone Torch6
Gray Wool4
Piston4
Piston Head4
Lever3
Oak Trapdoor1
Water1

Before You Build

This build uses 173 blocks across 13 block types – about 3 stacks in total, which fits inside a single shulker box. It occupies 18×14 blocks of ground and stands 20 blocks tall.

What to bring first

Dark Oak Planks – 52
Redstone Wire – 33
Black Stained Glass – 22
Dispenser – 20
Repeater – 14

Survival or creative?

Every block in this build can be obtained in survival, so it can be built by hand without creative mode or commands.

Moving parts

It includes Dispenser, Lever, Piston, Redstone Lamp, Redstone Torch, Redstone Wire, Repeater, so check the mechanism still works after pasting – redstone state and item-container contents do not always survive a paste.

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