Here is some of my reactors designs:
Mark I-O C, Effeciecy 2.00, 2 Uranium Cells, 2 Reactor Chambers, 40 EU/t, Air cooling (4 blocks)
Good starting reactor, effecient and cheap
Materials:
10x Integrated Heat Dispenser
18x Cooling cells
Heating:
2x Uranium cell, 2 pulses, 3 cooler slot (2heat each)
2*2*3*2 = 24 h/s
Cooling:
1 Reactor, 2 chambers, 4 air blocks, 18 Cooling cells
1 + 2*2 + 4/4 + 18 = 24 h/s
Heat balance:
24 - 24 = 0 h/s => Mark I-O
Energy:
2x Uranium cell, 2 pulses
2*2*10 = 40 EU/t
Mark I-O C, Effeciecy 2.33, 3 Uranium Cells, 4 Reactor Chambers, 70 EU/t, Water cooling (11 blocks) OR Water cooling (9 blocks) & Air cooling (8 blocks)
High effeciency on Mark I
Materials:
11x Integrated Heat Dispenser
28x Cooling cells
Heating:
2x Uranium cell, 2 pulses, 3 cooler slot (2heat each)
1x Uranium cell, 3 pulses, 2 cooler slot (4heat each)
2*2*3*2 + 1*3*2*4 = 48 h/s
Cooling:
1 Reactor, 4 chambers, 11 water blocks, 28 Cooling cells
1 + 2*4 + 11 + 28 = 48 h/s
1 Reactor, 4 chambers, 9 water blocks, 8 air blocks, 28 Cooling cells
1 + 2*4 + 9 + 8/4 + 28 = 48 h/s
Heat balance:
48 - 48 = 0 h/s => Mark I-O
Energy:
2x Uranium cell, 2 pulses
1x Uranium cell, 3 pulses
2*2 + 1*3 = 7*10 = 70 EU/t
Full Reactors (6 additional chambers, full water cooling (20 blocks)):
Mark I-O D, Effeciecy 1.5, 8 Uranium Cells, 120 EU/t
Less effeciency, but Mark I and 120EU/t
Materials:
13x Integrated Heat Dispenser
33x Cooling cells
Heating:
4x Uranium cell, 2 pulses, 3 cooler slot (2heat each)
4x Uranium cell, 1 pulse, 4 cooler slot (1heat each)
4*2*3*2 + 4*1*4*1 = 64 h/s
Cooling:
1 Reactor, 6 chambers, 20 water blocks, 33 Cooling cells
1 + 2*6 + 20 + 33 = 66 h/s
Heat balance:
64 - 66 = -2 h/s => Mark I-O
Energy:
4x Uranium cell, 2 pulses
4x Uranium cell, 1 pulses
4*2*10 + 4*1*10 = 120 EU/t
Mark II-8 C, Effeciecy 2.50, 4 Uranium Cells, 100 EU/t
Average effeciency, good EU/t, 8x full cycle before needs cooldown
Materials:
16x Integrated Heat Dispenser
34x Cooling cells
Heating:
2x Uranium cell, 3 pulses, 2 cooler slot (4heat each)
2x Uranium cell, 2 pulses, 3 cooler slot (2heat each)
2*3*2*4 + 2*2*3*2 = 72 h/s
Cooling:
1 Reactor, 6 chambers, 20 water blocks, 34 Cooling cells
1 + 2*6 + 20 + 34 = 67 h/s
Heat balance:
72 - 67 = +5 h/s
Heat distribution:
1 reactor, 16 dispensers, 34 cooling cells
1+16+34 = 51, each can accumulate 10k heat, but i use 8K, because evaporating water
51*8000/5 = max 81600s of non-stop running => more than 8*10000s -> Mark II-8
Cooldown:
After 8 full cycles of non-stop running is accumulated heat 8*10000*5 = 400k
400000/67 = 5970s = 1h 40m
Energy:
2x Uranium cell, 3 pulses
2x Uranium cell, 2 pulses
2*3*10 + 2*2*10 = 100 EU/t
Mark II-7 C, Effeciecy 2.00, 6 Uranium Cells, 120 EU/t
Less effeciency, but 2 is still good, higher EU/t
Materials:
14x Integrated Heat Dispenser
34x Cooling cells
Heating:
6x Uranium cell, 2 pulses, 3 cooler slot (2heat each)
6*2*3*2 = 72 h/s
Cooling:
1 Reactor, 6 chambers, 20 water blocks, 34 Cooling cells
1 + 2*6 + 20 + 34 = 67 h/s
Heat balance:
72 - 67 = +5 h/s
Heat distribution:
1 reactor, 14 dispensers, 34 cooling cells
1+14+34 = 49, each can accumulate 10k heat, but i use 8K, because evaporating water
49*8000/5 = max 78400s of non-stop running => more than 7*10000s -> Mark II-7
OR with special water construction is possible Mark II-8 see Mark X Perfect Breeder
Cooldown:
After 7 full cycles of non-stop running is accumulated heat 7*10000*5 = 350k
350000/67 = 5223s = 1h 28m
Energy:
6x Uranium cell, 2 pulses
6*2*10 = 120 EU/t
Mark II-1 B, Effeciecy 3.00, 4 Uranium Cells, 120 EU/t
High effeciency, Mark II, but he is capable only one running before needs cooldown
Materials:
17x Integrated Heat Dispenser
33x Cooling cells
Heating:
4x Uranium cell, 3 pulses, 2 cooler slot (4heat each)
4*3*2*4 = 96 h/s
Cooling:
1 Reactor, 6 chambers, 20 water blocks, 33 Cooling cells
1 + 2*6 + 20 + 33 = 66 h/s
Heat balance:
96 - 66 = +30 h/s
Heat distribution:
1 reactor, 17 dispensers, 33 cooling cells
1+17+33 = 51, each can accumulate 10k heat
510000/30 = max 17000s of non-stop running => more than 10k but less than 20k -> Mark II-1
Cooldown:
After 10000s (one uranium cycle) accumulated heat is 10000*30 = 300k heat
300000/66 = 4545s = 1h 15m
Energy:
4x Uranium cell, 3 pulses
4*3*10 = 120 EU/t
Mark III B (2500s), Effeciecy 3.00, 8 Uranium Cells, 240 EU/t
Good effeciency, high EU/t
Materials:
4x Reactor Plating (but not necessary)
18x Integrated Heat Dispenser
24x Cooling cells
Heating:
8x Uranium cell, 3 pulses, 2 cooler slot (4heat each)
8*3*2*4 = 192 h/s
Cooling:
1 Reactor, 6 chambers, 20 water blocks, 24 Cooling cells
1 + 2*6 + 20 + 24 = 57 h/s
Heat balance:
192 - 57 = +135 h/s
Heat distribution:
1 reactor, 18 dispensers, 24 cooling cells
1+18+24 = 43, each can accumulate 10k heat
430000/135 = max 3185s of non-stop running => more than 1000s -> Mark III
Good time is 2500s non-stop running, because 10000/2500 = 4 same cycles with one pack of Uranium
2500s = 41m 40s (about 2MC days)
Cooldown:
After 2500s accumulated heat is 2500*135 = 337500h
337500/57 = 5921s = 1h 39m
Energy:
8x Uranium cell, 3 pulses
8*3*10 = 240 EU/t
Total Energy in runtime 2500s:
240*20*2500 = 12M EU
Mark III C (2500s), Effeciecy 2.00, 14 Uranium Cells, 280 EU/t
Less effeciency, higher EU/t, a bit faster cooldown
Materials:
16x Integrated Heat Dispenser
24x Cooling cells
Heating:
14x Uranium cell, 2 pulses, 3 cooler slot (2heat each)
14*2*3*2 = 168 h/s
Cooling:
1 Reactor, 6 chambers, 20 water blocks, 24 Cooling cells
1 + 2*6 + 20 + 24 = 57 h/s
Heat balance:
168 - 57 = +111 h/s
Heat distribution:
1 reactor, 16 dispensers, 24 cooling cells
1+16+24 = 41, each can accumulate 10k heat
410000/111 = max 3693s of non-stop running => more than 1000s -> Mark III
Good time is 2500s non-stop running, because 10000/2500 = 4 same cycles with one pack of Uranium
2500s = 41m 40s (about 2MC days)
Next possible value is 3333s, but with this value the reactor heat up to 9023. And at 8000 heat the water can evaporate.
This is possible with same construction as Mark X Perfect Breeder. But with 2500s max heat is cca 6800 and water can't evaporate.
Cooldown:
After 2500s accumulated heat is 2500*111 = 277500h
277500/57 = 4868s = 1h 22m
Energy:
14x Uranium cell, 2 pulses
14*2*10 = 280 EU/t
Total Energy in runtime 2500s:
280*20*2500 = 14M EU
Mark III C (1250s), Effeciecy 2.50, 16 Uranium Cells, 400 EU/t
average effeciency, high EU/t, short running, but it is still Mark III
Materials:
20x Integrated Heat Dispenser
18x Cooling cells
Heating:
8x Uranium cell, 3 pulses, 2 cooler slot (4heat each)
8x Uranium cell, 2 pulses, 3 cooler slot (2heat each)
8*3*2*4 + 8*2*3*2 = 288 h/s
Cooling:
1 Reactor, 6 chambers, 20 water blocks, 18 Cooling cells
1 + 2*6 + 20 + 18 = 51 h/s
Heat balance:
288 - 51 = +237 h/s
Heat distribution:
1 reactor, 20 dispensers, 18 cooling cells
1+20+18 = 39, each can accumulate 10k heat
390000/237 = max 1645s of non-stop running => more than 1000s -> Mark III
Good time is 1250s non-stop running, because 10000/1250 = 8 same cycles with one pack of Uranium
1250s = 20m 50s (about 1MC day)
Cooldown:
After 1250s accumulated heat is 1250*237 = 296250h
296250/51 = 5809s = 1h 37m
Energy:
8x Uranium cell, 3 pulses
8x Uranium cell, 2 pulses
8*3 + 8*2 = 40*10 = 400 EU/t
Total Energy in runtime 1250s:
400*20*1250 = 10M EU