Like true pirate life, everything depends on luck! The wheel runs on a highly tested algorithm of randomness, so that every player has the exact equal chance as you of receiving the items you are also spinning for. Also, we do not change the wheel with new updates.
If you have more questions, please contact us through the game by going to our Menu > Settings > Support. We can help you quicker this way, because the game will allow us to view your account and better help you.