6
votes
Accepted
What's the maximum pressure one airtank can withstand and how to tell its limit?
You will not destroy the air tank using standard LEGO components. I don't know what it's structural limits are, but I can tell you that the weakest link in the pneumatic system in my experience is the ...
- 39.8k
5
votes
Accepted
How many pneumatic actuators does one air tank support
An air tank (at least LEGO low capacity ones) are not meant to directly supply actuators. Their main purpose is to smooth out the pressure of air flow produced by a pump (manual or motorized).
- 2,713
5
votes
Accepted
Is it possible to damage a pneumatic pump/motor by applying too much pressure?
No, it would be practically impossible to damage LEGO pneumatic elements by overpressurizing them.
It turns out that LEGO pneumatic pumps actually have a very simple "slip" mechanism that prevents ...
- 393
5
votes
Accepted
How to open first version of the pneumatic cylinder? (Part no 4688c01)
Thanks everyone for the answers. It gave me the courage to take the piece to the cutting block... And guess what? I now have an almost functional piece. It's not extending 100% and sometimes I need to ...
- 221
5
votes
Accepted
Does LEGO make a electronically controlled pneumatic valve bank?
I don't know of any electronically controlled LEGO pneumatics.
However it's not too hard to get the needed functionality. I see two main parts to the equation :
Controlling the pressure in the system
...
- 2,712
5
votes
Accepted
Most cost efficient length for pneumatic hoses?
Here are all the 4 mm diameter pneumatic tube parts Bricklink knows about.
For each of these (filtered by color if necessary) we can take the part (for example Hose, Pneumatic 4mm D. 40L / 32.0cm), ...
- 15.7k
4
votes
How to open first version of the pneumatic cylinder? (Part no 4688c01)
The original glue was solvent based. This means that both sides of the joint are more or less fused/welded together. It is not a simple case of "2 pieces with glue in between".
Any solvent ...
- 1,242
4
votes
Accepted
How to locate pneumatic leak
According to various sources, LEGO pneumatics is not designed to work above 3 (or maybe 4) bars of pressure, so your setup might have been damaged by the overpressure.
If you can "press on the the ...
- 15.7k
4
votes
Accepted
How to motorize a LEGO Pneumatic valve?
I tried many designs I found
A quick Google search resulted in the following designs. Have you tried them all?
Sariel's Autovalve:
Philo's pneumatic valve:
Sariel's Servo Valve:
Tamas Juhasz's ...
- 15.7k
3
votes
Lego Pneumatic Engine: Possible Damage from Baking Soda and Vinegar?
I see two main problems that need to be adressed here.
Intrusion of liquids into the pneumatic system
Intrusion of solid particles into the pneumatic system
To filter out solid particles, namely ...
- 15.7k
3
votes
How to locate pneumatic leak
LEGO Pneumatic system could consist of different elements like hoses, switches, pumps, cylinders and T-junctions. Each one may need different approach.
I could think of several ways of testing these ...
- 22.4k
3
votes
Is it possible to damage a pneumatic pump/motor by applying too much pressure?
You wrote you would like to hear an answer that is more definitive as a guess. I guess then we can accept Sariel as a definitive source, and he writes here:
There is no risk of anything blowing up....
- 15.7k
3
votes
Does LEGO make a electronically controlled pneumatic valve bank?
There were a few sets with pneumatics and compressors available from the early '90's, my sister had the 8868 Air Tech Claw Rig which came with a 9V motor to keep the compressor working to provide the ...
- 19.5k
2
votes
Is a N2 or CO2 paintball tank a viable power source for a LEGO pneumatic Engine?
You shouldn't use a CO2 tank with the pneumatic cylinders because it could pop the pistons out of their casings. I would take some pop bottles (2 liters), glue some T-shaped connectors in the lid and ...
2
votes
Are LEGO Pneumatics gen 1 and gen 2 compatible?
https://www.wikiwand.com/en/Lego_pneumatics describes the various generations.
They describe V2 more as generation 2.1, pistons changed, but tubing and t-pieces stayed identical. Therefore I think it'...
2
votes
How to open first version of the pneumatic cylinder? (Part no 4688c01)
It might be hard or impossible to fix this so I'd rather address how to fix the issue of having non-functional element instead. You can look into acquiring a used version of the same LEGO item from ...
- 22.4k
2
votes
Most cost efficient length for pneumatic hoses?
As per my knowledge, community's stand on pneumatic hoses is that they are not produced by LEGO but are sources from 3rd party. So it is somewhat OK to use 3rd party pneumatic hoses as a replacement. ...
- 22.4k
2
votes
Accepted
Broken pneumatic distribution block
I do not own such piece, so cannot tell if they all are broken by this time. However I have a suggestion regarding acquiring a replacement.
Bricklink is a dedicated to trading just LEGO items, so I ...
- 22.4k
1
vote
What's the maximum pressure one airtank can withstand and how to tell its limit?
The pneumatic system's limit is three bar (40psi). After that point, the hoses will pop off the ports. I don't think you could explode the airtank very easily with a real compressor. My guess is that ...
1
vote
How to clear off oils in a way that will not damage the plastic?
Your question is general, so I'll try to answer generally, but I'll use the pneumatic cylinder as an example since you mentioned it.
If applicable, the first thing you'll want to do is break down the ...
- 39.8k
Only top scored, non community-wiki answers of a minimum length are eligible