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  #151  
Old Fri 10 October 2008, 22:00
Gerald D
Just call me: Gerald (retired)
 
Cape Town
South Africa
There apparently are big systems with electric/spring brakes. . . when the system is de-energised, the springs apply brakes to fight the gravity that never de-energises.
  #152  
Old Fri 10 October 2008, 23:12
sprayhead
Just call me: Francis
 
sydney
Australia
like a Stepper Motor with electromagnetic break? I think I have seen that on Servos.

Another thought I had why the PK296A2A-SG18 would be good is when the Gecko drops to 70% the torque... recirculating.

If one could attach an electromagnetic break to the PK296A2A-SG18 that would be a good solution, I guess.

This thread then drifted to other counterbalance methods:
http://www.mechmate.com/forums/showthread.php?t=1026
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