if its rigged then the ball is metal and it is attracted to the number the crepe wants it to land on as he makes it magnetic.

Can’t remember how exactly they work, but I remember a documentary about them that said the ones near the bars and cafes inside casinos pay out the most. Apparently the sound of people winning on the machines draws people away from the bars and back to spending their money on the slots. So remember, next time you are in a casino, play on the ones nearest to the bar.

the numbers on the wheel are such that the “house” always has a numerical advantage,,,just as bookmakers build an advantage in to betting prices..
ie heads i win.tails you lose

I’m assuming you mean video roulette. There is a Eprom chip inside that is programed with a random number generator. Just for the record the machines don’t need to cheat you they pay as if there is 36 numbers when there are 37. It makes roulette a 2.7% game in the houses favor.