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Lego bricks in a washing machine tend to build complexes.
In the last few months I performed more than 60 washing runs
with Lego bricks. By and by, I understood how well certain
variants of the procedure work. For the experiments I prefer
to use old Lego bricks. Their clutch power is somewhat reduced,
leading to larger complexes in the average.
Good news first: the three washing machines from the experiments (one from Miele, one from Siemens, one from Bosch - so all three "made in Germany") do not show any signs of damage! The Miele with almost 60 runs has carried most of the burden so far.
One bad new: water with 60 degree Celsius temperature is
already too hot for some Lego bricks. After such an experience
with deformed bricks
I made further experiments only at levels "cold", 30 degree,
or 40 degree. It seems that in this range the temperature does not make
much of a difference
for the complexes. So, now most runs are with cold water, to save
I have never put Lego bricks into a drier! These machines often have 80 degree Celsius inside. Speed spinning in the washing machine never turned out to be a problem. In contrast, complexes typically were more stable after the run.
In the very first runs I had put the bricks loosely into the washing drum, without any buffers. That made a loss of noise, but it did not lead to better complex-building. It is better to put the bricks into some closed cushion or even better into knotted socks. In such narrow space more complexes form. By the way, it is no problem to include normal wash pieces in the washing; also washing powder is no problem for the bricks.
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