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26 votes
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Realistic Lego car sets containing gearboxes and engines?

LEGO sets There are more than one set with such characteristics. While first four are from 20th century, I've included them anyway, since they are well-known and include characteristics you are ...
Alex's user avatar
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13 votes
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How to build a steerable remote-controlled vehicle with just 1 motor?

This can be done without a caster wheel as well: Start out with a three wheeled vehicle, with two wheels in the front and one smaller wheel with less traction than the front wheels in the back. All ...
Aaganrmu's user avatar
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13 votes
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What dark green LEGO car is this?

It's from MCDR4-1 Circuit Star, a McDonald's promotional set from 2009: You can clearly see the wavy white and yellow lines on the side stickers.
Robert Columbia's user avatar
12 votes
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Plate 4x6+4x4+4x6

That would be 781 Vehicle, Base 6 x 12. It only came in 3 sets from 1972-1975, with only 379-2 Car and Caravan having it in white.
Alexander O'Mara's user avatar
12 votes

Can you identify this LEGO plane set?

That's one of the alternate models for Ocean Explorer (31045): The instructions are available on LEGO.com.
jncraton's user avatar
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10 votes
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Can anyone identify this blue partial vehicle build?

From a glance it doesn't look like a set as much as something someone might have randomly put together. The two blue 1x2 tiles at the front seem odd, as do the double-stacked black round tiles. Of ...
Ambo100's user avatar
  • 17.6k
9 votes

A query about the balance of the 42130 - BMW M 1000 RR model

Your front and rear wheel/tires are likely swapped. I didn't realize until I finished the entire set and had the same problem as you. Swapping the front and rear tires solved my issue.
Chobo's user avatar
  • 91
9 votes
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Help with popcorn cart wheels

The "wheels" are really the hubs, mostly from the various Speed Champions cars among others. The inside of the wheel takes a standard stud, so you should be able to use: Plate Modified 2x2 with Pin ...
Zhaph - Ben Duguid's user avatar
9 votes

Issues with my LEGO Land Rover Defender - Low rear

I would suggest looking at a speed build of this model and comparing the placement of pieces with that of your own. So, let's try...this guy's video => The Austrian Lego Fan seems to have banged out ...
Rin Rio-Oki's user avatar
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6 votes
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Bugatti Chiron - loose connection to wheels

I see a gap between the grey part and the black part. They should be flush picture 1. Normally it take some force to assemble these hub parts. If you look to the back side of the "back" side you ...
Joost's user avatar
  • 8,023
6 votes

Issues with my LEGO Land Rover Defender - Rear Wheel Keeps Popping Off

I've read about someone having exact the same problem with the 42030 (Volvo L350 F wheel loader) years ago. And basically, the wheels aren't that different with this model. Apparently, people ...
Michael Verschaeve's user avatar
6 votes
Accepted

LEGO twin-engine airplane (black/yellow/grey) set identification please

This is set 8425 (quite a nice set imho) and the instructions are downloadable from lego themselves: https://www.lego.com/biassets/bi/4101173.pdf The set is from 1996
Michael Verschaeve's user avatar
6 votes

What LEGO set does this yellow and lime green vehicle belong to?

It is part of Toxikita's Toxic Meltdown (70163) from Ultra Agents
Alex's user avatar
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6 votes

How to prevent my connected axles from falling apart?

You can attach couple of half bushes or full bushes on inner side of the axle near Technic beam like on the other side you have done with a gear. If axle is still trying to slide - fill in the entire ...
Alex's user avatar
  • 23.2k
6 votes

How to build a steerable remote-controlled vehicle with just 1 motor?

In WeDo 2.0 app "LEGO® Education WeDo 2.0" there is a complete project 12. Steer that is exactly about that When it drives forward it goes in straight line, when it drives backward it then turns to ...
Kamil Dziedzic's user avatar
6 votes

I would like to check on a step in the BMW M 1000 RR build

Assuming you're referring to set 42130 - BMW M 1000 RR, and specifically this step in the instructions : Then yes, the 3 black 2x4 tiles, each with their own sticker, are alternatives from which you ...
Sander De Dycker's user avatar
6 votes

Which Hot Wheels vehicles are compatible with LEGO bricks?

I am aware of 5 Hot Wheels castings that provide LEGO-compatible connections currently: Custom Small Block Bricking Trails Brick and Motor Brickin' Delivery Bricking Speed These are all Mega ...
jncraton's user avatar
  • 40.3k
5 votes

Gearbox doesn’t move when it’s in neutral - Is that normal?

The point of the neutral position in a gearbox is that it disconnects the engine from the drivetrain. Therefore no movement is expected at the wheels when the engine turns and vica versa. If the ...
zovits's user avatar
  • 16.2k
4 votes

What technic vehicles are built to scale for 75114 First Order Stormtrooper?

Obviously The Lego Group has not released any sets specifically designed for the constraction figures, but some sets would still be reasonably sized. I've never asked a storm trooper, but let's assume ...
Mac's user avatar
  • 651
4 votes
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Ambulance LEGO Sets

As far as I know, there isn't an ambulance slated for release in 2017, and there hasn't been one available since 4431 in 2012: This set can be picked up currently for as little as $30 used on ...
jncraton's user avatar
  • 40.3k
4 votes

How to build a steerable remote-controlled vehicle with just 1 motor?

I designed some WeDo 2.0 models that can drive and steer using just one motor. This one uses a system of gears to alternately drive the left or right wheel of a differential drive robot, depending on ...
Daniele Benedettelli's user avatar
4 votes

Need help identifying an unopened LEGO bag - lime green and black pieces

76899-1 Lamborghini Urus ST-X & Lamborghini Huracán Super Trofeo EVO Based on Black Brick 1 x 10 Lime Plate 1 x 6 Lime Slope, Curved 8 x 2
RSchulz's user avatar
  • 7,542
3 votes

A query about the balance of the 42130 - BMW M 1000 RR model

I do not have this issue. My model balances fine on that stand. There are some elements behind the front wheel I leave out as they keep falling off (only attached on the studs of a couple of half ...
Michael Verschaeve's user avatar
3 votes

Live axle + steering

I could suggest looking at suspension in RM8's Land Cruiser (FJ40) model. Although all description is in Russian that webpage contains sufficient number of pictures, which are self-explanatory. This ...
Alex's user avatar
  • 23.2k
2 votes

How to prevent my connected axles from falling apart?

If you want to stick to your current design (despite its obvious flaws), then here's another idea. Let's go! As you can see, I tried to rebuild the crucial part of your framework. Alright. Now two ...
Uli's user avatar
  • 2,548
1 vote

Late 1970s hospital and helicopter building brick set

These blocks appear to match your description, would this be the type of brick you are talking about?
bricknerdz's user avatar

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