Ultegra 6800

[Zaphod]

For the hold  force I don't see why it would make much of a difference. The servo is fixed on the frame near the point where the cable runs. The cable runs w/o hose near to the derailleur, somewhat close the derailleur there is a stop. Another stop when using normal shifter is quite high on the frame, the hose that goes into the shifter normally goes there. Anyhow I can try that too. Attached pic shows the derailleur, I think similar to what you had in the video just that my cable from the hose to the servo is somewhat longer.