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Re: Ball Magnets
I'll go ahead and answer in the same format you asked in.
1) Ball magnets are incredibly useful when trying to kick (or shoot, whichever you prefer to call it) into the goal. They allow you to accurately line up the ball towards the goal and move around with the ball with ease. As for pushing a ball into a goal, they are not so helpful. Once a ball is in the "ball magnet", you need to either kick of off or sometimes it will shake lose. If you plan on pushing a ball into the goal while trying to use a magnet, you might need something to get the ball out of you control first... if that makes sense.
2) There have been several types of "ball magnets" that have worked well for teams this year. Rollers have been the best, with one roller on top rolling inward to your robot and one stationary roller on the bottom, keeping it from going too far into your robot. Some teams also use vacuums, which have worked to a certain extent. Some teams have paired the two together.
3) Teams have had varying success when pushing balls without a ball magnet. It can be done, and some teams do it well. Others just can't seem to put them in.
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