How to make a tnt cannon on minecraft that shoots upwards

Make a obsidian line 14 blocks long. The picture cuts it off and the torches and slabs are for easy counting

Split in middle and leave 6 blocks on each side and add the edges and walls

Add water and lever and redstone

Top view

Fill with tnt and light dont put one in center yet

It should flow to middle

Quickly at 6 to 7 seconds add tnt in center

It will fly up (its the white dot)

Boom its done

This is great for raiding sky bases. And it works for minecraft laptop and PE

Thx for reading this guide make sure to like it

Bonus launch yourself by standing in middle

WEEE