On Fri, 13 May 2011 15:03:19 +0100
Basil Jet wrote:
If the motor had two different sized drums attached to the same axle,
with the cables for the two cars attached to the two drums, as the upper
lift moved one metre the lower lift could move ten metres. In theory
this should be cheaper than two lifts, but in practice it might not be
due to non-standard parts.

There's probably a whole host of safety issues too.

B2003