Large Turbine (GregTech Community Edition)

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The Large Turbine is a multiblock generator added by GregTech Community Edition. It is capable of producing large amounts of Energy Units (EU). It comes in 3 variants: Steam, Gas, and Plasma. The amount of Steam/Gas/Plasma used depends on the Turbine built in. It slowly speeds up, so it should be used for constant Energy supply.

The main Turbine block changes the fluids the turbine can run with.

  • A Large Steam Turbine runs on Steam and will output Water in addition to the Energy Units.
  • A Large Gas Turbine runs on any burnable gases (ie. Methane, Hydrogene, Ethylene and LPG.
  • A Large Plasma Generator runs on all types of plasma generated in the Fusion Reactor.

The Large Turbine requires a turbine rotor. Turbine rotors vary in efficiency and durability.

  • Durability: About every 240 ticks, the turbine takes 40* \frac{currentSpeed}{normalSpeed}, where "currentSpeed" is the current speed of the turbine and the "normalSpeed" is a constant 6000 RPM.
  • Efficiency: A percentage factored into the power output of the turbine (Max efficiency to attain: 100%)

Building the multiblock:[edit | edit source]

The Large Turbine is assembled as a 3x3x4 (long) multiblock structure. The entire frame must be made from Turbine Casings.

The Front-Center of the multiblock must be a Rotor Holder. The Back-Center must be an Energy Output Hatch.

The sides (including top and bottom) must include:

  • 1 Controller
  • 1 Input Hatch
  • 1 Output Hatch (required for Steam and High Pressure turbines)

The remaining sides are Turbine Casings. The two center blocks remain air blocks. The 9 Blocks in front of the Turbine also must be air blocks.

After that, a Turbine must be placed in the Rotor Holder's GUI. The turbine starts automatically after the fuel has been supplied and the Rotor has been put in the Holder.

Once the turbine has been started, it will continue in "On" mode until it is deactivated (intentionally or otherwise). It will not deactivate by running out of fuel.

Rotors[edit | edit source]

This table lists the attributes of all available vanilla GTCE Turbine Rotor materials.

Material Durability Efficiency
Invar 51200 50%
Steel 51200 42%
Titatnium 160000 50%
Wrought Iron 38400 42%
Darmstadtium 15536000 100%
Chrome 51200 85%
Damascus Steel 128000 57%
Tungstensteel 256000 57%
Aluminium 12800 71%
Pig Iron 38400 42%
Magnalium 25600 42%
Osmium 128000 100%
HSS-E 512000 71%
Osmiridium 315200 64%
Uranium 238 51200 42%
Bronze 19200 42%
Bizmuth Bronze 25600 57%
Molybdenum 51200 50%
Neodymium 51200 50%
Cobalt 25600 71%
Cobalt Brass 25600 57%
Uranium 235 51200 42%
Tungsten 256000 50%
Brass 15200 57%
Black Steel 76800 46%
Ultimet 204800 64%
Tungstencarbide 128000 85%
Thorium 51200 42%
Rose Gold 15200 100%
Red Steel 89600 50%
Iridium 256000 50%
Palladium 51200 57%
Black Bronze 25600 85%
Manganese 51200 50%
Duranium 512000 100%
Vanadiumsteel 192000 50%
Naquadah Alloy 512000 57%
HSS-S 300000 100%
Sterling Silver 19600 92%
Tritanium 1024000 100%
HSS-G 400000 71%
Iron 25600 50%
Blue Steel 102400 53%
Stainless Steel 48000 50%
Enriched Naquadah 128000 42%
Naquadah 128000 42%

As the method to create turbines is exposed to CraftTweaker, various modpacks add their own Turbine Rotors. Their efficiency can be determined from this equation: \frac{toolSpeed}{14}%.

Math[edit | edit source]

Max Energy Output[edit | edit source]

To determine the turbine's energy output (expressed in EU/t) you can use the following equation:

Energy output = ((baseEnergy + bonusEnergy)* rotorEfficiency) * (\frac{currentRotorSpeed}{normalSpeed}) ^2, where

  • baseEnergy = 2048
  • bonusEnergy is modpack-dependent, but the default value is 6144
  • rotorEfficiency is the efficiency of the Rotor put into the Rotor Holder
  • normalSpeed is a constant 6000 RPM
  • currentRotor speed is the momentary speed of the rotor. The max speed for the Rotor is determined by the tier of the Rotor Holder.

There are 3 tiers of the Rotor Holder:

Tier Max Speed
HV 6000
LuV 6900
MAX 7500

Max Energy Output Examples[edit | edit source]

  • Assuming the bonusEnergy= 15'000, the RotorHolder to be MAX and while using a Rose Gold Rotor, we get the max energy production rate at 26'595 eu/t.
  • Assuming the bonusEnergy= 11'600, the RotorHolder to be LuV and while using a Vanadiumsteel Rotor, we get the max energy production rate at 9'008 eu/t.
  • Assuming the bonusEnergy= 22'000, the RotorHolder to be HV and while using a Naquadah Rotor, we get the max energy production rate at 10'100 eu/t.