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Questions tagged [water]

Questions about LEGO bricks and models interacting with water. For floating, submerging, containing, using as a medium or other applications.

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20 votes
2 answers
6k views

Did LEGO ever make motorised boats?

Did LEGO ever make motorised boats? Or an official motor that could be attached to LEGO floating boats.
Dizzy Dude's user avatar
3 votes
1 answer
804 views

Is the LEGO train motor 88011 waterproof?

My son has been building a LEGO RC boat and has added the motor (part 88011) from this LEGO City Train Set to drive the turbines. He's pretty keen to try it out on water but I imagine the motor is ...
themik81's user avatar
  • 133
5 votes
1 answer
271 views

Advise on my mine

I'm building an old west mine. My goal is for the mine to burrow into a mountain with tunnels and miners inside. The front view will be railroad going into the entrance with a light bluish gray ...
Monte Gardner's user avatar
5 votes
1 answer
185 views

What is water displacement value for LEGO solid hulls?

I'm building a boat model out of LEGO and I need to decide which boat hull to use. I need the smallest that can carry 485g of load. Where can I get information about water displacement of unitary LEGO ...
kjam's user avatar
  • 151
3 votes
1 answer
414 views

How to build a waterproof roof out of LEGO blocks?

How would Lego blocks be tiled to provide a water proof roof against the rain? The lattes or internal support structure of the roof doesn't have to be also made of Lego. Basically the tiles on a roof ...
Muze's user avatar
  • 1
11 votes
3 answers
2k views

Problem with "warping" of LEGO water

I was trying to imitate the cool water technique of Legopard on MOCpages. Sadly, I found that when I did it on a large scale (about 46x46 pegs), the water tends to warp upward in the transverse ...
Thomas's user avatar
  • 233
5 votes
2 answers
789 views

How can I distinguish floating versus sinking LEGO pieces?

My kids enjoy playing with their LEGOs in the pool, and we cannot always predict which ones will float and which one will sink. It appears to me that most pieces do float in the pool, but some, for ...
Giuseppe Biondi-Zoccai's user avatar
8 votes
3 answers
3k views

LEGO Submarine waterproofing functional parts (e.g. motors, RC receivers)

From my understanding, the motors and RC receivers are not waterproof. Thus, the LEGO submarine from Sariel's LEGO® Workshop rust after sometime. So, is there any way to make the motors and RC ...
user275517's user avatar
11 votes
8 answers
10k views

What will happen if I submerge LEGO in water?

I'm thinking of using real water in my LEGO City and putting the Atlantis and deep sea exploration sets at the bottom of the tub of water, but I don't know what will happen to LEGO when put in water. ...
DatLegoguy7's user avatar
4 votes
1 answer
1k views

Is the LEGO Mindstorms EV3 brick waterproof?

I am trying to build a ROV (Remotely operated underwater vehicle) with LEGO Mindstorms Ev3. Is it waterproof?
user3995's user avatar
8 votes
2 answers
2k views

How well do LEGO assemblies hold water?

Water is commonly represented with blue pieces, but what if I tried adding real water to a setup? For example, I create a simple blue base with a rectangle making a sort of pool. If I fill that ...
David Starkey's user avatar
19 votes
9 answers
6k views

Waterproofing LEGO bricks

I have a LEGO ship that I want to photograph as it's sailing along in a pool. Of course the LEGO bricks have cracks in between them so water will leak through. Does anyone have any ideas as to how ...
mj_'s user avatar
  • 1,119
17 votes
2 answers
1k views

What are Good LEGO (or similiar) sets to play-prototype machines working with fluids?

I want to play around with fluid engines. I'm aware that LEGO is sometimes used in labs for prototyping kinematic components, are there successful examples of operating with fluids? Have pistons, ...
mart's user avatar
  • 173
20 votes
2 answers
8k views

Are LEGO elements safe to use in an aquarium with fish?

Are LEGO elements safe to use in an aquarium with fish? I've never seen LEGO elements in a working fishtank.
Major Stackings's user avatar
46 votes
14 answers
22k views

Do LEGO bricks float?

Is it possible to build a boat out of LEGO bricks? I appreciate you couldn't make it watertight but would a LEGO boat float by itself due to the buoyancy of the bricks themselves? Pictures of any ...
fredley's user avatar
  • 3,214