Maximum bore/stroke length for cylinders?

[Kevin Thorp]

You could use smaller bore cylinders if you added powerful constant force springs (free from Vulcan Spring).

For example, if you pre-loaded your lift with 40 or 50 lbs of force then you have to push the springs up when you're extending, but only have to pull 70-80 lbs when retracting.

Of course you want to design in a fudge factor for safety.

[AMRW1518]

Our Team tested this cylinder with ~120 in^3 of storage capacity lowering and lifting 135lbs. Here's a video link of the test:

https://youtu.be/M5YBYYYhEY0

We used the pneumatic system from last years robot to get an idea of the air flow and the load on the compressor.

[philso]

Originally Posted by AMRW1518

Our Team tested this cylinder with ~120 in^3 of storage capacity lowering and lifting 135lbs. Here's a video link of the test:

https://youtu.be/M5YBYYYhEY0

We used the pneumatic system from last years robot to get an idea of the air flow and the load on the compressor.

Originally Posted by CryptoStorm

you don't really need to worry about the volume of your tanks as you need to worry about the volume of your pump and the diameter of your tubing.

filling a cylinder like that with 1/4" tube would take forever.

1518's video seems to confirm this