Over-Unity Chemical Fuel Upgrading

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SuicideJunkie
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Over-Unity Chemical Fuel Upgrading

Post by SuicideJunkie »

I had some time on a long car trip and made a spreadsheet to do some figuring for an optimal way to boost chemical energy storage.
After I got some interesting numbers out, I was able to wrangle them into an over-unity device. (Sadly not a perpetual motion machine since it can't use the rocket fuel as an input)

Now you can run your trains both FASTER and FURTHER on the same amount of fuel!

The circuit network is rigged to power up the factory and beacons when the input chests are sufficiently full to guarantee both factories have feedstock and the output chests are not overfull. Until then, only the inserters pulling the completed rocket fuel out are powered by the large poles.
116% Efficiency Rocket Fuel Plant
116% Efficiency Rocket Fuel Plant
RocketFuelProduction.png (571.89 KiB) Viewed 2535 times
Inputs:
2500 MJ worth of solid fuel (100 cubes)
254 203 MJ electricity for beacons (0.48MW * 6 beacons * 8.82s /1.25 crafting speed * 5 iterations / 50% boiler efficiency)
310 248 MJ electricity for assembly machine (0.21MW * 2 * 840% * 8.82s /1.25 crafting speed * 5 iterations / 50% boiler efficiency)
<1 MJ electricity for inserters and circuit network
------
2952 MJ (~283 225MJ of which is electrical losses due to boiler inefficiency)

Time: 88 70 seconds

Outputs:
3150 MJ worth of rocket fuel (14 boosters)

Net Gain:
198 MJ (423 MJ if using solar)

Solid->Rocket Fuel Conversion Efficiency:
107% (Boilers)
116% (Solar)
Blueprint String
NOTE:
If there is an arrangement of beacons which allows a 7th to boost both factories, that will be even more efficient.
Using 8 beacons to impart 7 effects reduces efficiency.

EDIT:
Math did not include the 1.25 base crafting speed of the assembly machine.
Last edited by SuicideJunkie on Fri Sep 15, 2017 8:31 pm, edited 1 time in total.

Jap2.0
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Re: Over-Unity Chemical Fuel Upgrading

Post by Jap2.0 »

If you tile this vertically, it would have an even bigger gain (it looks like just over 40 additional for each sharing the side - 80 mw total).
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DaveMcW
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Re: Over-Unity Chemical Fuel Upgrading

Post by DaveMcW »

The most efficient layout is an infinite square alternating rows of assembling machines and beacons.

SuicideJunkie
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Re: Over-Unity Chemical Fuel Upgrading

Post by SuicideJunkie »

Updated:
Math fix - assembly machine works 25% faster than assumed, saving energy and driving up the efficiency by a few more percent.

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