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I know that if I make a redstone circuit that switches too often, my redstone torches will 'burn out' and stop working. Under what circumstances does this happen? Will a slow circuit eventually burn out? If not, what's the maximum 'clock speed' for a circuit such that it will never burn out?

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2 Answers

up vote 3 down vote accepted

The fastest clock that will not burn out is the 4-clock. A common design is this one:

- =wire
r =repeater

- r -
r   r
- r -

I think all repeaters must be set to 4 to remain stable, but I've been fine setting them to 3 before.

Edit: I did some research, to investigate. I have found that a torch needs at least 8 ticks total delay between pulses to prevent burnout. So the repeater clock with 4 repeaters should be set to at least 2 ticks each.

My basic setup: My experiment setup

Basically, my experiment involved that basic repeater clock hooked up to 4 torches. I started with them each at 1 tick delay, and, as expected, all of the torches burnt out very quickly. I increased the delay on the repeaters one by one until the torches stopped burning out. This point came when each repeater was at 2 ticks delay (though the torches were probably pulsing too quickly for most devices).

Though it should be noted that torches can be extremely buggy sometimes; sometimes, pulling a lever will burn a torch out...

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But wouldn't a piston clock going faster than the 4-clock cause other circuitry to burn out? –  fredley Feb 27 '12 at 13:42
    
That is true. If you have it hooked up to other torches, then 4 is the number to shoot for (though a lot of times, I try to adapt my circuitry so I don't have to deal with it) –  Unionhawk Feb 27 '12 at 13:47
    
Can you elaborate on the research you did? This is shaping up to be a great answer, but it needs to be perfect before I'll accept it :-P –  fredley Feb 29 '12 at 14:21
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A redstone torch will simply "blow out" when its state is being changed too quickly (i.e. a very fast clock).

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I know this, but exactly how quickly is too quickly? –  fredley Feb 28 '12 at 10:18
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The question asker probably already knows this, considering that is in the first sentence of his question and all. –  Steve V. Feb 29 '12 at 5:51
    
I'm sorry, I did not pay enough attention to the question. –  Daniel Bezden Mar 2 '12 at 22:20
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Maybe you should delete this answer. –  kotekzot May 27 '12 at 15:07
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