How to Build a Pneumatic Tube System

kwikfishron said:

Welcome to the site!

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Thanks a lot! Hopefully we'll churn a few more things out soon to post. It's much easier to just do something than to do something and video tape it as I'm sure many here know.

Have a good one.

Firefighter3244 said:

Cool! Question/possible tip. Once it's sent one way, it doesn't go anywhere once turned off right.

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Thanks for the interest!

As with building anything you kinda roll with the punches once it's done. In theory you are correct. A timer would work great on ours because the cannister does just stick at the top. HOWEVER, we didn't design it that way and it was just luck that it did stay up there and not slide back down.

We anticipated leaving it on until someone grabbed it or that we'd have to tweak it once we finished. Luckily that wasn't the case and there is enough friction at the top for it to stay. Our goes up an industrial staircase so the grade isn't that steep which helps. If it was much steeper we'd have to rig something up to get it from sliding back down.

Now you could surely put something with a bit of stick or friction at the top and it'd stick for sure. But it was not necessary for us.