More of an exercise of the mind.......
The arms and pads on the servo that you are using do not adjust to the difference the bags will have between fully empty to completely full. So as the bag is full the pads on the arms are pinching and when it is empty there is no contact or influence. Is it even an issue? I don't know.
What if (and this may introduce its own issues) you had two arms, we will call them tension arms, that have a spring that gently pull together. These would be a safety of sorts because on power failure, the gentle pressure from the pads along with WTC compress air would raise the sub. The rods on the servo would be the adjustment of the pads. What do you think? Not necessary (design by committee)?
The arms and pads on the servo that you are using do not adjust to the difference the bags will have between fully empty to completely full. So as the bag is full the pads on the arms are pinching and when it is empty there is no contact or influence. Is it even an issue? I don't know.
What if (and this may introduce its own issues) you had two arms, we will call them tension arms, that have a spring that gently pull together. These would be a safety of sorts because on power failure, the gentle pressure from the pads along with WTC compress air would raise the sub. The rods on the servo would be the adjustment of the pads. What do you think? Not necessary (design by committee)?
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