Plastic whiskers on central spindle: Design Secrets Revealed

[Foster]

Now that the season's over, it's time to pry some design secrets out of the top teams.

There were a number of teams that had a central spindle that had plastic whiskers sticking out to move the orbit ball up the hopper.

What did you use for the whiskers? How did you mount them on the spindle? What different materials did you try? How well did they work out? If you had to do it again what would you do differently?

Some teams had a series of beater bars with whiskers, same set of questions: What did you use for the whiskers? How did you mount them? How well did they work out? If you had to do it again what would you do differently?