Quote:
Originally Posted by Jasp05
Wow Leon. Do you use all that just for your dslr?
I must say though, that I haven't quite worked out how it moves.
the Hinge placement suggests It can't track along that curved threaded rod?
But I'm assuming there is more on top of it that I'm missing... 
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I would say......
The
wide triangular end piece connected to the curved threaded rod driven by the red gears/motor
IS NOT connected to hinged top plate section at ~30degrees to horizontal, it is instead connected/fixed to the end of the rotating shaft which is housed in bearings fixed to the angled top plate, so that the motor turns the shaft (you can see black end/mounting plate) rather than twists the top angled hinged plate (as it might first appear).
Great Construction BTW Leon
Best
JA