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Activator Rail

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Activator Rail
ActivatorRail.gif
Activator Rail
Type

Non-Solid Block

Physics

No

Transparency

Yes

Luminance

No

Blast resistance

3.5

Tool

This block can be broken with any tool, but a pickaxe is the quickest

Renewable

Yes

Stackable

Yes (64)

Flammable

No

Availability

?

First appearance

13w02a

Drops

Itself

Data value

dec: 157 hex: 9D bin: 10011101

Name

activator_rail

An activator rail is a type of rail that can "activate" certain minecarts. When powered with redstone, activator rails will trigger specific effects on minecarts with TNT, a hopper, or a command block that pass over. When turned off, they act as normal rails. Activator rails do not generate anywhere, and must be crafted to obtain them in survival mode.

Contents

[edit] Crafting

Activator rails are crafted similarly to normal rails, with the exception of additional sticks and a redstone torch placed on the middle.

Ingredients Crafting recipe

Iron Ingot +
Stick +
Redstone Torch

Iron Ingot Stick Iron Ingot Grid layout Arrow (small).png Activator Rail6
Iron Ingot Redstone Torch Iron Ingot
Iron Ingot Stick Iron Ingot

[edit] Behavior

[edit] Effects

  • If a minecart with TNT is on top of a powered activator rail, the fuse will be set off causing the minecart to explode after a certain amount of time. The faster it passes over the activator rail, the more powerful the explosion.
  • If a minecart with hopper is on top of a powered activator rail, the minecart will turn off, disabling its ability to pick up/drop items and blocks. If a disabled hopper minecart is sent over an non-powered activator rail the cart will be re-enabled. Also, breaking a hopper minecart will cause it to be enabled the next time you place it.
  • If a minecart with command block is on top of a powered activator rail, the command block will run its command.
  • If a player or entity (like a mob) is in a minecart while the activator rail is powered, it will be ejected as if the sneak key is pressed. This functionality was added in snapshot 14w05a

[edit] Powering

Power can be transmitted to the rail from any of the six adjacent positions (above, below, or any side) in the same way redstone is powered.

Activator rails will propagate power to each other if they are adjacent and part of the same track, for up to 9 blocks from the power source (1 being powered directly which is propagated to 8 adjacent rails). They will also receive power from any adjacent detector rails (when a cart passes over it), even if they are not part of the same track (which follows from the rules above).

[edit] Video

[edit] History

Official release
1.5 13w02a Added Activator Rail.
13w02b Crafting recipe fixed to include Sticks and Redstone Torch.
13w03a Powered Activator Rails disable Minecarts with Hoppers.
1.7 13w39a Powered Activator Rails can activate Minecarts with Command Blocks.
Upcoming
1.8 14w05a Powered Activator Rails can eject players and mobs in a regular minecart.

[edit] Trivia

  • The activator rail uses the same texture as the powered rail, but without the gold line.

[edit] Issues

Issues relating to "Activator Rail" are maintained on the issue tracker. Report issues there.

[edit] See also