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1500 questions
8
votes
1 answer
Classic 9V battery box current limiter?
Recently I disassembled a classic 4760c01 Electric 9V Battery Box Small Complete Assembly to see what was inside.
Battery Box:
Disassembled:
In the switch component, we find what appears to be a current limiter:
It slides right out if you use a…
Alexander O'Mara
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8
votes
1 answer
What are these strange black disc LEGO pieces?
What are these discs? Ammo maybe or ice hockey pucks? I did not find any id numbers.
fabian
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8
votes
2 answers
Round Plate 1x1 Dimension
What are the dimensions of the following Lego Part:
I know of the basic dimensions shown in this graphic.
I believe, the diameter of the largest Ring is 7.8mm.
However, I'm missing the following two measurements:
diameter of the…
IARI
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8
votes
1 answer
Can you identify this LEGO board game with square paper tokens?
I have some of these cards which I found at the bottom of an old box of mixed LEGO and I am trying to identify them.
I think they came from a game maybe?
I used to get the Bricks n Pieces magazine, but not sure if they are from that. I would guess…
Calvin Frampton
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8
votes
3 answers
Does a 1x3 Lego technic liftarm with two round holes and one axle socket exist? (for tank suspension usage)
I have been searching for some time for parts like these (with no success):
But with two holes (instead of three) and one socket for Lego axles at one side.
Likewise two holes (instead of one) and one socket for Lego axles at one side.
So does any…
general molotof
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8
votes
1 answer
42042 Crawler Crane: conversion to remote control
After many years of "Lego drought", I have decided to reinvest in some. Amongst a lot I have purchased is a Crawler Crane, half built, with all the parts to complete the build.
However, instead of building as the instructions, has anyone here…
Greggk9
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8
votes
1 answer
Any tips for aligning gears in LDD?
I'm trying to create the 42052 (Heavy Lift Helicopter), and other Technic sets. Aligning gears' teeth is relatively difficult, and the 'Hinge Align' tool rarely works. Please help!
LenTheSpaceWolf
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8
votes
6 answers
Were there ever any smaller sets, marketed as being combined to create a large official set?
I recall a children's magazine running an article about how to take a few smaller sets to create a big space ship, but I am not sure if that was official.
Did LEGO ever create some smaller sets, but market them in a way to convince buyers to buy…
Village
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8
votes
3 answers
Why are there no faces drawn on the black heads?
There were two black heads in the Star Wars 2011 advent calendar and neither had a face drawn. Is that because there was no face necessary since it was going to be covered with a mask anyway or is there a rule that the faces only go on the yellow…
tooshel
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8
votes
1 answer
Is there a way to strengthen individual pieces?
Is there a way to strengthen fragile parts? Say for example the lime green socket joints from 2007? Or the 2008-2010 socket joints? I would like to know if there is a possible way to do so?
I am interested in preventing the breakage of a piece,…
Kage Jason
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8
votes
5 answers
How can I make my robot heavier?
I'm building a 3kg LEGO EV3 sumo robot and I need to make it as small as possible.
Which LEGO items do you recommend to add more weight on it? (tires, plates, wheels, blocks, minifigs etc.)
Ants Aus
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8
votes
2 answers
Brick-built sails for a pirate ship
I am building a Sea-Cow(70810)-like ship that of course needs sails. The sails should be larger than the Technic fairings used in the LEGO movie set, but I want to avoid cloth sails and strings.
My idea is to connect rows of white 4x6 modified tiles…
Metalbeard
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8
votes
6 answers
What are the programming languages that can be used on Lego Mindstorm EV3?
My son is interested in robotics. For me, I would like maximum flexibility for programming. For my son, I guess something simpler would be preferable so that his interest is not killed by complexity right from the start.
What are the programming…
user781486
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8
votes
1 answer
How can body segments be moved to precise angles in snake robot?
I want to create an EV3 robot similar to this:
I've glanced at the mentioned papers. To me it seems that some simpler equations to govern the motors will work also.
I have 9 segments, articulated by 8 motors (two intelligent bricks…
Michael Verschaeve
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8
votes
2 answers
EV3 Ultrasonic Sensor block is not availible in the Home Edition software
I can't find the ultrasonic sensor block on the programming app on my computer. I am using the Lego Mindstorms EV3 Home Edition.
Meg
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