Recently moved to a gym that uses padlocks for locking your stuff, they sell them too for an inflated price of 3.5$, jokingly I tried my key on a friend’s lock, and one more random one, of course it didn’t work and it made me curious.
My question is how do factories make all keys/locks different even at these cheap mass produced kinds that are probably sold for 0.5-2$, how is it worth for a factory to “use different patterns” at that price, or how do they do it?
In: Engineering
Statistics and probability were still largely unsophisticated science in the 1960s. General Motors, at that time that biggest car company in the world decided that for their Chevrolet line of cars – the VERY most popular cars – they would need only 36 discrete key patterns.
They were wrong, and a lot of people drove off in someone else’s car that year.
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