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1500 questions
8
votes
1 answer

Should the LEGO Batcave step 264 use 1x1 Technic bricks?

I've been building the Batcave – Shadow Box (76252): I have gotten to step 264 and it seems odd to me that the single back bricks have a hole in them as they seem to go in sideways in the picture blocking the holes - hence only a single solid brick…
Mike P
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Can you identify these parts and assemblies?

I just spent a lovely afternoon going through a box of childhood (40+ years ago) identifying bricks, but ended with a half dozen I couldn't. Here is a picture: I know some are newer, but some are original (3 & 6) If you could help me find the…
MacguruBrick
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1 answer

How to improve the range of an IR receiver?

I am creating a new Truck which contains two IR receivers in the front hood. With my testing I get a range of about 6 feet (I have also noticed the small Technic motors on the IR receiver are slow when as the distance from the remote increases)…
iProgrammed
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1 answer

What is this transparent round "plate" brick with wiring inside?

I bought a crate of Lego's from a flea market, and it has this strange block inside it. It's a transparent blue color, round, and somewhat thick. It seems to be a single piece, I can't find anywhere to separate it. It has wiring inside of an unknown…
Quentin Skousen
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8
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1 answer

How is this setup created?

From https://www.newelementary.com/2018/10/lego-35787-tile-modified-2x2-triangular-45-cut.html midpage there is this setup: Can anyone provide more details how the parts are connected? Preferably so it could be recreated in bricklink studio.
Michael Verschaeve
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8
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1 answer

Extend/retract speed of linear actuators

I am trying to find out if the linear actuators (small, large and XL) have a fixed number of rotations on the bottom axle connector in order to extend them fully? I am guessing the small LA will take fewer turns?
maxos79 Mouse
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8
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1 answer

Compatibility of sports ramps

Are these relatively recent "sport ramps": https://www.bricklink.com/v2/catalog/catalogitem.page?P=75538 compatible with these older "sport…
Michael Verschaeve
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8
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1 answer

Best method for building large by assembling modules?

I am about halfway in building a 16 foot high tower made of simple bricks. It is basically a hollow skyscraper 6 inches square, with the walls two studs thick. To steady it, it is built around a steel pole anchored top and bottom. I've built it up…
Kevin Kelly
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8
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3 answers

Recommendation on how to build a "brick presence detector"?

I want to build a model of a complex machine with Lego and Arduino or a Raspberry. The machine model also features several accessories that can be added or removed during operation of the machine which influences its behavior. I plan to glue…
Norbert
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8
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1 answer

Identify my old motorbike

My old motorbike part, I want help to identify please.
Georgios
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8
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2 answers

Exact dimensions of studless Technic beams

I'm looking for the exact dimensions of the studless Technic beams. I found a number of answers for studded beams but there are some more aspects for the studless beams which are not covered. I'm especially interested in these parts: Technic,…
BetaRide
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8
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1 answer

Does anyone know what brick this is? Looks like half a cylinder

Red, LEGO Technic, cylinder shape and both sides slope inwards, at different gradients.
carl
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8
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0 answers

How to effectively attach mirrored stickers to an interior curved surface?

I'm working on 10283, Space Shuttle Discovery and I've reached pack 13 step 282 where I'm assembling the cargo bay doors. These doors have reflective stickers that attach to the insides of the curved surface. These stickers are also somewhat large -…
Catija - too
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8
votes
1 answer

What is this 2x2 figure with a hollow base?

What is this 2x2 figure called? I want another one but I don't even know what to search for. Is it something before minifigures? Is it even LEGO?
Chris Grimmett
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8
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1 answer

What set is this from? (spiky transparent blue with axle hole in the center)

Does anyone know what this piece is? I have asked people around if they know what piece it is. They didn't know it. It has an axle hole in the center. All help appreciated
link3
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