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Piston
Piston
First Appearance Beta 1.7 (Computer)
0.15.0 (Pocket Edition)
Type of Block Solid Block
Tool Used Pickaxe Graphic
Data Values Hex: 33
Dec:
21
Technical Name minecraft:piston
Blast Resistance 2.5
Stackable
Yes
64
Obeys Physics
No
Flammable
No
Luminosity
No
Transparency
No
Renewable
Yes
This article is about Piston. For the variation of this mechanism that sticks to blocks, see Sticky Piston.

Pistons are one-block mechanisms capable of pushing most other blocks. They are redstone-activated blocks, and require the most other items to make than other Redstone blocks. Pistons can face all six directions: up, down, north, east, south, and west.

Crafting

BlockCSS
Piston
BlockCSS
Sticky Piston
BlockCSS
Wooden Planks
BlockCSS
Wooden Planks
BlockCSS
Wooden Planks
None None None
BlockCSS
Cobblestone
ItemCSS
Iron Ingot
BlockCSS
Cobblestone
None
ItemCSS
Slimeball
None
BlockCSS
Cobblestone
ItemCSS
Redstone
BlockCSS
Cobblestone
None
BlockCSS
Piston
None


Functionality

  • Pistons will always face the player when placed.
  • When powered, the piston's wooden surface extends outwards by 1 block, pushing up to a maximum of 12 blocks.
  • Similarly, if a block pushed by a piston is pushed into a player/mob, a player/mob will get pushed if there is space. If there is no space, the block will start to occupy the same space as a player/mob and cause suffocation if the block is opaque.
  • When blocks are pushed by a piston, they are momentarily non-solid, causing any players/items on the moving block to fall through the moving block.
  • Pistons can be used to toggle fluid flows like a flood gate by extending into or retracting from the space where the fluid would flow through.
  • Pistons can push minecarts and boats. Note that if the minecart is on a rail, the rail will also get pushed, making it drop as an item in the process.
  • Pistons are usually used to create doors or traps, such as massive opening pits.
  • Adding a slimeball to a piston on a crafting table creates a Sticky Piston.
  • If a piston pushes a Slime Block which has any movable blocks attached to it, then the Blocks will move as well.
    • This method won't push un-movable blocks.
    • One can create "flying machines" with this function.
    • A piston with a slime block can only push up to 12 blocks.

Trivia

  • If a piston pushes a gravity-affected block, like sand, over a hole, the block will fall, even if attached to a sticky piston.
  • Pistons cannot be used to 'crush' players or mobs against walls. A piston will simply pass through them if this is attempted. However, blocks being pushed by piston will crush players and mobs and suffocate them, making it useful for traps, and pistons can be used to make pits appear/disappear and start/stop flows of liquids, which can also help with traps.
  • Pistons were first introduced in the "Piston Mod" before they were officially implemented in the game.
  • In beta 1.7.1, there was a block duplicating glitch using pistons and sticky pistons.
  • Some blocks cannot be pushed by pistons and the piston head will not extend. These blocks include: Obsidian, Bedrock, Furnaces, Chests, etc.
  • Pistons will not push blocks into the Void or the top of the map.
  • Pumpkins, Cobwebs, Dragon Egg and Jack-O-Lanterns are turned back into items when pushed. (If trying to create extendable/retractable lighting, one can use Glowstone instead.)
  • Melons will turn into slices if pushed by a piston.
  • Pistons cannot push water or lava, only obstruct it. A piston head extending into a water or lava source block will destroy the source block.
  • Blocks that are attached to pushed blocks will be broken off unless the block which is now under/behind them is also acceptable. For example, torches can be placed on a "self-repairing" cobblestone structure.
  • Pistons cannot push a chain of blocks more than 12 blocks long, or else they will not extend.

Gallery

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