rodw wrote: [Make it happen Stefan! I've got some 300mm long air rams that are strong enough to lift me off the ground if you want to do it from a distance! I'm just not sure how you'd limit the down travel so it does not poke holes in your water table though!
Most cylinders I have seen have slots to mount hall switches (they put magnets in the pistons) so it should be pretty easy to go to a retract cycle at an adjustable point.
