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Combution Engines Not Outputting Correct MJ/t


Bob Leonard
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I'm trying to use combustion engines to power a quarry, and I've noticed a problem with my MJ/t.  I've read online that combustion engines should output 6MJ/t (although I've never been totally clear if this is on green, yellow, or red).  However, if I connect a combustion engine to a redstone energy cell I can control the rate that energy leaves the energy cell.  Theoretically, if the combustion engine produced 6 MJ/t, and I set the redstone energy cell to output a maximum of 5 MJ/t (with a load connected to the energy cell, like a quarry), then the redstone energy cell should built up a surplus of energy.  However, when I try this (with a combustion engine running on green), I find that the redstone energy cell never fills.

 

Moreover, I found that when I connect two engines to the redstone energy cell the energy cell will accumulate energy when I set the output to 2MJ/t, but it will drain when I set the output to 3 MJ/t, suggesting that each engine is outputting between 1 and 1.5 MJ/t (again the engines are running on green).  I've tried using conductive pipe as well as redstone conduit with the same results.

 

So the question is: what's wrong with my reasoning?  Do combustion engines really output such low power on green?  Or, do I not understand redstone energy cells?  Perhaps its a difference of ticks versus seconds?

 

I should note that I'm not using the most recent version of tekkit.  I'm currently using 1.1.5 because I found that everything beyond this version breaks the conductive pipe gates.

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Hi Plowmanplow.  Thanks for the response.

 

I'm using fuel refined from oil. So, it should output plenty of MJ/t.

 

After poking around the forums for a while, I found someone mention connecting the output of the engine to more than one face of a redstone energy cell.  When I tried this I found that the energy cell was receiving energy at a much faster rate.  Why is this necessary?  Does the engine only produce energy on strokes (producing an average of 6MJ/t through energy pulses)?

 

Is the best practice to simply to build a large number of energy cells?  If energy cells are touching, will they transfer energy between them?

 

Lastly, on point one: are you saying the engine will only produce 6MJ/t if the engine is using oil and running on red?

 

 

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