This construction supplies quite impressive  pictures. Setting of tasks was a camera travel in 4 meters height over the heads of the 3000 participants of a Rave.  The system makes moves possible as with a Dolly on rails. The drive can be completely programmed inclusive starting and delay cycle.

Technical data of the cable system

Drive

2 x 8 mm steel cable highly compressed

Distance spanned

67 meters

Rope tension:             

30 kN (approx. 3 ton)

Propulsion technology

electrically over circulating rope

control:                        

digitally over frequency characteristic

Dolly weight

50 kg with ARRI 435 and t-Rex optics