[MrJohnston]

I suspect that the poll results would be very different five weeks from now... At the same time, I do think that stacking six totes with a recycling container on top will not be particularly difficult with a number of different robot designs. The question, however, will be how quickly they can do it... We are designing our robot specifically to stack five totes with a recycling container on top. However, if balance were not an issue at all, we'd just as easily be able to add a sixth tote.

Once we are stacking five, we'll start experimenting and seeing what more it would take to do six. The key, however, will be speed. With all totes and containers placed perfectly, making four full stacks should be possible -and even starting the fifth. However, that won't likely happen: There are only three recycling bins guaranteed to our alliance. Getting more would mean that they are not so perfectly placed.

I figure I'll put out another poll in about four weeks about how quickly folks are stacking...