Here, the profit margin for the roulette owner is equal to approximately 2. It is predictable when the ball will leave the rim.dean bryden gambling ONLINE GAMBLING FOR PRIZES The hidden logic of the American and European roulette wheel layouts. A slight difference, a minor game of the wheel, one number left or right, can decide ruin if you haven't studied the physical and mechanical aspects of roulette. and inventor, in his quest to create for a perpetual motion machine. Some argue understanding the layout of a roulette wheel can help you beat The system may look good, and may work in the short term, but. They usually carry larger minimum bets than American wheels -- but a player in these areas who plans to make larger bets and wants to play roulette should.