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40d:Machinery/Examples

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Draining a pond

1. A Pond To Drain
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2. Add Some walls to control output, and an access ramp (leaving access is a good idea)
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3. add 3 floor tiles above the gap, then build your windmill
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4. build a lever and gear assembly, then link your lever to the gear
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5. Finally, throw the lever, add your screw pump and the final wall section
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Alternatives

  • Skip the lever and gear and power the pump directly, "always on".
  • The "Blowback" wall method:

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This allows water to flow past the pump when the pump is off, meaning that one pipe with a pump at each end can send water either direction, based on which pump is on. It also allows for maintenance access from the pipe, at the cost of 3 extra wall sections and one extra floor.

A simple pump with lever

Side view:

     =O=    <- windmill supported by unlinked gear assembly
     **     <- two gear assemblies: left gear is linked to lever
     @@     <- screw pump
~=~=~#####  <- water
##########

The right gear does not need to lie on the screw pump, as long as it's orthogonal to the gear that -is- placed over the pump.