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Frank,
sorry I've got these linear actuators & robotic
arms running round in my head at the moment.
With your linear actuator, could you not just drill
a hole in the actuator body & run one long belows
over the length of the piston & actuator &
pot the wires.
This would then allow for the oil displacement
shifts in the actuator & piston travel.
You could alternatively run the belows half
way down the actuator & cover the rest with a pvc
pipe.
Have you pulled one to bits yet? I'm considering
ordering a couple for a robotic arm.
Alan
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