Work

[den]

Problem:

Take one of these:


And fill it in 5 minutes.

We've talked him down to 10 minutes.

Which is nice.

Comments

[chriswheeler.livejournal.com]

I still like my 50 m tower idea containing exactly 200K litres and a trapdoor valve. Might be an issue with snapping the truck or popping the tires, and utterly impractical.

What about a hopper, 2 m square outlet, 10m square, 5m high.