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Well I did it. I built a machine to test this. It took 10 days until the LEGO at the bottom couldn't stay on anymore.
>>> Check my blog for more details
18
The optimal clutch power is attained after 8 to 10 couplings(search for "clutch"); that is, before that, the bricks will sometimes cling a little too much on each other.
However, I don't think anyone ever actually stated when clutch power would start to deteriorate. I'd tend to assume that once the optimal clutch is reached, there is just enough plastic at ...
16
Black.
Peeron.com has a colour table that lists how many pieces of each colour you would have if you had one of every set in their database.
Obviously their database is not complete, it doesn't relate to when ABS was introduced (but most of the pieces produced in all time will have been since then), and some sets have been produced in higher numbers, so ...
10
I'm not sure there's any official answer for this, however I can answer with an anecdote.
There have been a few times where I've come across old bricks that have been assembled together for a very long time (ie many years). When prised apart, I've spotted that the studs have actually made an indentation on the sides of the tubes.
Based on this, I wonder ...
10
According to a letter from a LEGO representative posted at this site:
Tires and elastic materials found in some LEGO sets are manufactured
from Styrene-Butadiene Styrene (SBS), a material commonly found in
vehicle mud guards and shoe soles.
9
I think this one would be in the top 5:
Tile, Modified 2 x 2 with Pin (part 2460)
8
LEGO baseplates are made from ABS plastic, like most of the opaque rigid plastic LEGO elements since 1970. ABS is a thermoplastic consisting of a styrene monomer with the addition of an acrylonitrile momomer and a butadiene monomer. There is no PVC or vinyl present.
I suggest reviewing this thread for more on laser-cutting ABS. It is not a trivial matter to ...
8
I suggest calling Lego customer service (1-800-835-4386) to ask them about a bulk order. Professional "brick artists" like Nathan Sawaya buy their brick directly from Lego. The bulk prices are decent as well. For example, through the LUGbulk program, we got 2x4 bricks for about 9.6 cents each (these sell for $0.30/ea on the Pick-a-brick website).
Also, here ...
8
According to Brickset, these parts have always been made of polyethylene, the only difference is that some of the material is plant-based since the Plants from Plants initiative.
Can you tell the difference?
No! They look, feel, smell and work just like 'regular' botanical elements. This is because, chemically, they are the same. You can safely mix ...
7
Quorneng's answer is spot on, even bricks that were from the same set might have been made from differing batches of a particular color and slight variances will produce differing colors. Purple is the most notorious Lego color for having a great deal of variance between bricks, and red is not surprisingly, also inconsistent at times.
To add to the mix, ...
6
LEGO switched from cellulose acetate (CA) plastic to ABS plastic in 1963. They continued to distribute CA pieces in sets until their existing supply was exhausted, so during the transition beginning in 1963 both types of pieces were sold in sets. In North America, LEGO pieces were manufactured beginning in 1961 under license by Samsonite, which continued to ...
6
I am also going to recommend Technic as the stronger support option, but I would make the case out of "normal" Lego, and then implement 2 Technic rectangular "rings" around the case at the place of your pillars, joined at the top and bottom (on the top the joint could form the handle). Make these rings or braces by overlapping Technic pieces and joining them ...
6
Most LEGO and DUPLO parts are made from ABS plastic. ABS does not contain BPA. Here's a statement from LEGO about the safety of ABS:
The majority of LEGO elements are made from ABS plastic (Acrylonitrile Butadiene Styrene), a high-quality plastic that meets our extensive list of safety and quality specifications. The colors and materials in ABS plastic do ...
6
The 1x1 brick is both small enough to mean that you get edges no matter which way up it is, and has all the sharp edges and corners of the 2x2 brick, just packed into a smaller, more evil form.
That naturally leads to the headlight block, which has all the same features, but, if you are unfortunate, can also attack with the lip on the bottom.
5
The colour of virtually all plastics, like paint, is an 'added' pigment so it is difficult to maintain exactly the same colour.
As others have pointed out some pigments are more susceptible to the effect of sunlight than others - red goes pale - white goes yellow.
5
There are several reasons for this:
There isn't just one formula for the ABS plastic that is used in
LEGO. There are actually quite a few. Depending on the color,
translucency, and function, the mix of materials will vary.
Translucent pieces are quite a bit harder and more rigid than other
Lego bricks. Mini-figure accessories tend to be quite a bit softer
...
5
For starters, having that as a production error is completely impossible, given the industrial precision of our beloved bricks. The LEGO group has been incredibly careful for decades about the tolerance of their bricks' dimensions:
You can read this WIRED article where the author compares old and new bricks' dimensions (TL;DR: they have been making really ...
5
Generally LEGO Technic structures (pins and beams with holes) tend to be lighter and stronger as System structures (classic bricks). The generally accepted best practice among amateur and professional LEGO builders is to have a light and strong internal structure (either Technic or other materials, like wood or steel) that can then be decorated on the ...
4
The clear PC arms are more brittle, however you should be able to replace them at least once, since the torso you are placing it into is ABS - so there is a bit of a give/flexibility on that side.
One thing to be careful of, is when you take out the PC arms (and when you put them in a new torso), do not hold the arms by the hands! This will put pressure on ...
4
The LEGO Group has already created clear sustainability goals.
TLG is currently investing money to try to find sustainable and non-petroleum based ways to design LEGO bricks. Here's some info about the new Sustainable Materials Center that TLG is working on:
http://www.lego.com/en-us/aboutus/news-room/2015/june/sustainable-materials-centre
It sounds like ...
4
They are made of SBS rubber.
According to user "B. Lister" on eurobricks.com, these bands are silicon rubber, used in medical and dental work for long lasting connections and tension.
Source
However, a LEGO representative at a toy safety site indicated otherwise:
The colors and materials in ABS plastic do not rub off or leach and, in fact, meet the ...
4
I nominate this little bugger:
Got it in a bulk lot, and oh boy is it painful to walk on. it rests flat on the ground thanks to the wings, and the crest is a nice touch for delicate underfoot.
3
As 62Bricks has said, this can be an art.
Based on my experience (in the UK):
CA bricks tend to have less clutch (stickiness to other bricks) than ABS bricks. I'm not sure if this is because they are more prone to wear, because they tend to warp or just because they're old and worn out. Nevertheless, some of my CA bricks are so non-grippy that they're all ...
3
This sounds like something to ask the corporate offices. They may be able to arrange shipments that even the LEGO stores can not. For instance, Thomas Nielson is the VP of manufacturing at TLG http://dk.linkedin.com/in/thomasnielsen?trk=pub-pbmap
If the stores can't get it to you, go to those who supply the stores. It certainly sounds like you generate ...
3
Unfortunately, I'm not aware of specific factories that are currently tooled to make compatible bricks that you could get in touch with. I have noticed an eBay user that consistently sells Canadian made compatible basic bricks, so it might be worth contacting them to see if you could work out a deal.
There are also many companies who will do custom ABS ...
3
This assembly of pieces will not tickle, so let's dive in:
First, the teeth are placed in reverse of each other so the foot and
all that weight is forced to rock on the two little pointed tips.
Second, the white circular base is wide enough to minimize rolling of
the piece as experienced with a 2x2 brick, where the weight of a
person would force the piece ...
2
To sort ABS bricks from CA bricks can sometimes be difficult. What helps is they SOUND differently. An ABS brick emits a higher pitched sound when dropped than a CA brick which sounds more like a "thud". So if you are not sure, drop the brick and the sound will tell you what it is.
2
They are made from ABS injected into a mold. I actually got to see Legos made at legoland, a truly amazing experience!
2
As you can see from other answers, it may prove easier to try to get genuine LEGO bricks and there are numerous possibilities to do so:
As mentioned in OddTodd's answer, the LUGBulk program may be an option, but you'll need to find a local LUG and convince them of the parts you need. As seen in the comments, limits may be an issue.
Contacting the LEGO ...
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