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Devices that use power are also capable of transferring it. Adjacent screw pumps will transfer power between themselves. The only way to prevent this is to leave a tile gap between devices, or move them diagonally from each other.
 
Devices that use power are also capable of transferring it. Adjacent screw pumps will transfer power between themselves. The only way to prevent this is to leave a tile gap between devices, or move them diagonally from each other.
 
 
Single-tile rollers transfer power in all four cardinal directions. Rollers transfer power perpendicular to their direction and ''may'' transfer along their direction (it's unreliable).
 
Single-tile rollers transfer power in all four cardinal directions. Rollers transfer power perpendicular to their direction and ''may'' transfer along their direction (it's unreliable).
Rollers need 1 rope and exactly as many mechanisms as an axle would need wood; they also may be built individually up to 10 tiles long, but have only the horizontal variant. Rollers consume 2x more power per tile than axles and need more materials. But they aren't used to connect along their direction anyway, and axles don't transfer perpendicularly on their ow. When compared to axles ''combined with gear assemblies'', rollers are good.
+
Rollers need 1 rope and exactly as many mechanisms as an axle would need wood; they also may be built individually up to 10 tiles long, but only horizontally.
 
+
Axles vs. Rollers in numbers:
{|
 
|'''Gear assembly'''
 
|
 
|'''Roller (1x1)'''
 
|-
 
|
 
{| style="border-spacing:0;"
 
|-
 
|1|| || || ||2|| || || ||3
 
|-
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
 
|{{RT|+|7:0:0}}
 
|{{RT|│|2:0:1}}
 
|{{RT|+|7:0:0}}
 
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|-
 
|{{RT|+|7:0:0}}
 
|{{RT|o|2:0:1}}
 
|{{RT|+|7:0:0}}
 
 
|{{RT|─|2:0:1}}
 
|{{RT|☼|6:0:1}}
 
|{{RT|─|2:0:1}}
 
 
|{{RT|+|7:0:0}}
 
|{{RT|o|2:0:1}}
 
|{{RT|+|7:0:0}}
 
|-
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
 
|{{RT|+|7:0:0}}
 
|{{RT|│|2:0:1}}
 
|{{RT|+|7:0:0}}
 
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|}
 
||
 
{| style="border-spacing:0;"
 
|-
 
|1|| || || ||2|| || || ||3
 
|-
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
 
|{{RT|+|7:0:0}}
 
|{{RT|│|2:0:1}}
 
|{{RT|+|7:0:0}}
 
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|-
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
 
|{{RT|─|2:0:1}}
 
|{{RT|╟|6:0:1}}
 
|{{RT|─|2:0:1}}
 
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|-
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
 
|{{RT|+|7:0:0}}
 
|{{RT|│|2:0:1}}
 
|{{RT|+|7:0:0}}
 
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|}
 
|}
 
 
 
{|
 
|'''Axles+Gears'''
 
|'''Rollers'''
 
|-
 
|
 
{| style="border-spacing:0;"
 
|-
 
|{{RT|+|7:0:0}}
 
|{{RT|☼|7:0:1}}
 
|{{RT|─|7:0:0}}
 
|{{RT|─|7:0:0}}
 
|{{RT|─|7:0:0}}
 
|{{RT|─|7:0:0}}
 
|{{RT|─|7:0:0}}
 
|{{RT|─|7:0:0}}
 
|{{RT|─|7:0:0}}
 
|{{RT|─|7:0:0}}
 
|{{RT|─|7:0:0}}
 
|{{RT|─|7:0:0}}
 
|{{RT|☼|7:0:1}}
 
|{{RT|+|7:0:0}}
 
|-
 
|{{RT|+|7:0:0}}
 
|{{RT|%|2:0:1}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|%|2:0:1}}
 
|{{RT|+|7:0:0}}
 
|}
 
|
 
{| style="border-spacing:0;"
 
|-
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|╟|7:0:0}}
 
|{{RT|╟|7:0:0}}
 
|{{RT|╟|7:0:0}}
 
|{{RT|╟|7:0:0}}
 
|{{RT|╟|7:0:0}}
 
|{{RT|╟|7:0:0}}
 
|{{RT|╟|7:0:0}}
 
|{{RT|╟|7:0:0}}
 
|{{RT|╟|7:0:0}}
 
|{{RT|╟|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|-
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|%|2:0:1}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|%|2:0:1}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|}
 
|}
 
Axles vs. Rollers (a single U- or Z- connection):
 
 
{| class="wikitable"
 
{| class="wikitable"
 
|-
 
|-
 
! Length
 
! Length
! Axle+Gears<br/>Power
+
! Power<br/> (Axle+Gears)
! Axle+Gears<br/>Materials
+
! Materials<br/> (Axle+Gears)
! one Roller<br/>Power
+
! Power<br/> (one Roller)
! one Roller<br/>Materials
+
! Materials<br/> (one Roller)
 
|-
 
|-
 
| 2
 
| 2
Line 207: Line 45:
 
| 4
 
| 4
 
| 12
 
| 12
| 2 Mechanism, 1 Wood
+
| 2 Mechanism, 2 Wood
 
| 8
 
| 8
 
| 2 Mechanism, 1 Rope
 
| 2 Mechanism, 1 Rope
Line 213: Line 51:
 
| 5
 
| 5
 
| 13
 
| 13
| 2 Mechanism, 1 Wood
+
| 2 Mechanism, 2 Wood
 
| 10
 
| 10
 
| 2 Mechanism, 1 Rope
 
| 2 Mechanism, 1 Rope
Line 231: Line 69:
 
| 8
 
| 8
 
| 16
 
| 16
| 2 Mechanism, 2 Wood
+
| 2 Mechanism, 3 Wood
 
| 16
 
| 16
 
| 3 Mechanism, 1 Rope
 
| 3 Mechanism, 1 Rope
Line 237: Line 75:
 
| 9
 
| 9
 
| 17
 
| 17
| 2 Mechanism, 2 Wood
+
| 2 Mechanism, 3 Wood
 
| 18
 
| 18
 
| 3 Mechanism, 1 Rope
 
| 3 Mechanism, 1 Rope
Line 244: Line 82:
 
| 18
 
| 18
 
| 2 Mechanism, 3 Wood
 
| 2 Mechanism, 3 Wood
| 20
 
| 3 Mechanism, 1 Rope
 
|-
 
| 11
 
| 19
 
| 2 Mechanism, 3 Wood
 
|
 
|
 
|-
 
| 12
 
| 20
 
| 2 Mechanism, 3 Wood
 
|
 
|
 
|-
 
|}
 
Of course, a non-switching power bus (e.g. collecting power from water wheels or feeding many pumps on the same level) needs extra gears in the middle, thus rollers are far more efficient, though not trivial to connect at the ends (with water wheel arrays it's easier to alternate sides, connecting through the end wheels):
 
{|
 
|'''Gears'''
 
|'''Rollers'''
 
|-
 
|
 
{| style="border-spacing:0;"
 
|-
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|☼|7:0:1}}
 
|{{RT|─|7:0:0}}
 
|{{RT|─|7:0:0}}
 
|{{RT|☼|7:0:0}}
 
|{{RT|─|7:0:0}}
 
|{{RT|─|7:0:0}}
 
|{{RT|☼|7:0:1}}
 
|{{RT|─|7:0:0}}
 
|{{RT|─|7:0:0}}
 
|{{RT|☼|7:0:0}}
 
|{{RT|─|7:0:0}}
 
|{{RT|─|7:0:0}}
 
|{{RT|☼|7:0:1}}
 
|{{RT|─|7:0:0}}
 
|-
 
|{{RT|+|7:0:0}}
 
|{{RT|W|6:1:0}}
 
|{{RT|W|6:1:0}}
 
|{{RT|W|6:0:0}}
 
|{{RT|W|6:1:1}}
 
|{{RT|W|6:1:1}}
 
|{{RT|W|6:0:1}}
 
|{{RT|W|6:1:0}}
 
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|{{RT|W|6:0:0}}
 
|{{RT|W|6:1:1}}
 
|{{RT|W|6:1:1}}
 
|{{RT|W|6:0:1}}
 
|{{RT|W|6:1:0}}
 
|{{RT|W|6:1:0}}
 
|{{RT|W|6:0:0}}
 
|-
 
|{{RT|+|7:0:0}}
 
|{{RT|W|6:1:1}}
 
|{{RT|W|6:1:1}}
 
|{{RT|W|6:0:1}}
 
|{{RT|W|6:1:0}}
 
|{{RT|W|6:1:0}}
 
|{{RT|W|6:0:0}}
 
|{{RT|W|6:1:1}}
 
|{{RT|W|6:1:1}}
 
|{{RT|W|6:0:1}}
 
|{{RT|W|6:1:0}}
 
|{{RT|W|6:1:0}}
 
|{{RT|W|6:0:0}}
 
|{{RT|W|6:1:1}}
 
|{{RT|W|6:1:1}}
 
|{{RT|W|6:0:1}}
 
|-
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|}
 
|
 
{| style="border-spacing:0;"
 
|-
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|╟|7:0:0}}
 
|{{RT|╟|7:0:0}}
 
|{{RT|╟|7:0:0}}
 
|{{RT|╟|7:0:0}}
 
|{{RT|╟|7:0:0}}
 
|{{RT|╟|7:0:0}}
 
|{{RT|╟|7:0:0}}
 
|{{RT|╟|7:0:0}}
 
|{{RT|╟|7:0:0}}
 
|{{RT|╟|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|-
 
|{{RT|+|7:0:0}}
 
|{{RT|W|6:1:0}}
 
|{{RT|W|6:1:0}}
 
|{{RT|W|6:0:0}}
 
|{{RT|W|6:1:1}}
 
|{{RT|W|6:1:1}}
 
|{{RT|W|6:0:1}}
 
|{{RT|W|6:1:0}}
 
|{{RT|W|6:1:0}}
 
|{{RT|W|6:0:0}}
 
|{{RT|W|6:1:1}}
 
|{{RT|W|6:1:1}}
 
|{{RT|W|6:0:1}}
 
|{{RT|W|6:1:0}}
 
|{{RT|W|6:1:0}}
 
|{{RT|W|6:0:0}}
 
|-
 
|{{RT|+|7:0:0}}
 
|{{RT|W|6:1:1}}
 
|{{RT|W|6:1:1}}
 
|{{RT|W|6:0:1}}
 
|{{RT|W|6:1:0}}
 
|{{RT|W|6:1:0}}
 
|{{RT|W|6:0:0}}
 
|{{RT|W|6:1:1}}
 
|{{RT|W|6:1:1}}
 
|{{RT|W|6:0:1}}
 
|{{RT|W|6:1:0}}
 
|{{RT|W|6:1:0}}
 
|{{RT|W|6:0:0}}
 
|{{RT|W|6:1:1}}
 
|{{RT|W|6:1:1}}
 
|{{RT|W|6:0:1}}
 
|-
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|+|7:0:0}}
 
|{{RT|╟|7:0:0}}
 
|{{RT|╟|7:0:0}}
 
|{{RT|╟|7:0:0}}
 
|{{RT|╟|7:0:0}}
 
|{{RT|╟|7:0:0}}
 
|}
 
|}
 
 
Axles vs. Rollers (water powerplant side bus):
 
{| class="wikitable"
 
|-
 
! Water wheel<br/> (groups)
 
! Length
 
! Axles+Gears<br/>Power
 
! Axles+Gears<br/>Materials
 
! one Roller<br/>Power
 
! one Roller<br/>Materials<br/>
 
|-
 
| 2
 
| 4
 
| 12
 
| 2 Mechanism, 1 Wood
 
| 8
 
| 2 Mechanism, 1 Rope
 
|-
 
| 3
 
| 7
 
| 19
 
| 3 Mechanism, 2 Wood
 
| 14
 
| 2 Mechanism, 1 Rope
 
|-
 
| 4
 
| 10
 
| 26
 
| 4 Mechanism, 3 Wood
 
 
| 20
 
| 20
 
| 3 Mechanism, 1 Rope
 
| 3 Mechanism, 1 Rope
 
|-
 
|-
 
|}
 
|}
 +
In a non-switched power bus (e.g. collecting power from water wheels or feeding many pumps on the same level) rollers are clearly more efficient: they have power drain 1/5 of gears, though not trivial to connect at the ends (with water wheel arrays it's easier to alternate sides, connecting through the end wheels).
  
 
==Frozen Components==
 
==Frozen Components==

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