[chbot] Robotic Sweepers

[Robin Gilks]

> Hi Helmut,
> My Neato is currently vacuuming my house while I'm (somewhat productively)
> working.  It's not perfect- I have to make sure the floor is free from
> bits
> that could get tangled in the revolving brush (socks, bras) and bits that
> could get lost (legos). The path from floor through the brush to the
> dustbin to the motor is ~5 times shorter (20cm vs 100cm)  than a typical
> upright and straight without any bends.
> A year ago I attended a talk given by one of it's designers- a lot of
> engineering has gone into the device.  Plenty of CFD analysis to make sure
> that the vacuum picks up things as efficiently as possible.
> Hanno
>

Sounds it may be more like a Ewbank carpet cleaner - that brushes rather
than sucks...

Check out google images - you'll find a few diagrams on how they work :)

-- 
Robin Gilks