Note, using the methods suggested here runs along borderline cheating. MoneyCrafter do not support any form of cheat, theft or scam in order to make money. This article is purely for information purposes.
In the early 1990s, Gonzalo Garcia-Pelayo used a computer to model the tendencies of the roulette wheels at the Casino de Madrid in Madrid, Spain. Betting the most likely numbers, along with members of his family, he was able to win over one million dollars over a period of several years
In 2004, it was reported that a group which consisted of two Serbs and one Hungarian in London had used mobile cameraphones to predict the path of the ball. In December 2004 court adjudged that they didn't cheat because their special laser cameraphone and microchip weren't influencing the ball - they kept all £1.3m
It is impossible to beat a roulette wheel by a betting strategy. Due to the fact that each spin of the wheel is an independent event (unlike a game of cards say, where probabilities change depending on the cards dealt) and each wheel spin carries a house advantage, you are guaranteed to be on a loser every chip you put down.
However, a physical roulette wheel does have one weakness: it is a physical wheel which obeys the laws of physics. This means that, with sufficient study, you can determine approximately where the ball is going to fall on the wheel. The advantage you gain from this can be enough to overcome the house advantage and allow you to make money from the wheel.
There are two ways of doing this - one was used by Josepsh Jagger in 1873, who holds the title of 'The Man who broke the bank at Monte Carlo'. What he did was to hire a group of clerks to monitor the wheels. What he found was that one of the wheels was strongly biased - due to a slight tilt present in all roulette wheels some numbers (7, 8, 9, 17, 18, 19, 22, 28 and 29) were occuring more often than others. He placed his bets accordingly, and eventually left with 2 million francs, approximately £3250000 or $6,500,000 in today's money.
The casinos responded to this by spending plenty of money checking the wheels for any sign of bias, and moving the wheels around regularly. You would be very lucky to find a biased wheel in a casino these days.
More recently the technique of sector targeting has come to the fore. This was the technique used in the two quotes above. What these people did was to use a laser to measure the position of the ball on the wheel just after it was released. These were then sent to a computer which calculated the decaying orbit, and therefore approximately where it would land in the wheel. This was relayed back to the gambler in time for him to place a bet on the number.
Obviously, this requires a large amount of hardware and skill to pull off. The casinos tend to catch on when someone starts making excessive amounts of money, and the gambler often ends up in court. However, judges ruling so far has been that the gambler did nothing to influence the ball on the wheel; therefore it is a gambling system rather than cheating and the gamblers have been free to keep their money.