Pneumatic stuff

[banana_man]

Does anyone have any unwanted LP pneumatics parts which I could buy. Im looking for a solenoid valve and a 10 bar pressure relief valve. Im planning a compressor system for one half of a featherweight cluster.

[Mouldy]

Pneumatic stuff

yep, ive got 5/2 10bar valves, buffer tanks, rams- what size ram you after? Ive also got a pressure switch,- which you will need to turn of the compressor when your robot reaches 10bar.. it will turn it back on again when the pressure drops aswell.

[banana_man]

Pneumatic stuff

Ill be needing a 40mm bore 50mm stroke ram. Thanks for the help. I wasnt planning on a buffer tank for weight reasons, using coil of pipe instead.

[xtreme]

Pneumatic stuff

I have a few brand new 32bore 50stroke 12bar rams if there any good, i have a few more rams too ill have a look through them see what iv got.

[geeza]

Pneumatic stuff

Alex you will need to be able to store at least the full volume of the ram in that pipe which means it is going to be quite long. For example if you use 8mm bore (10mm OD which is quite big for a feather) you will need 1.2m of tube.

[banana_man]

Pneumatic stuff

Maybe I should use a buffer then, but some bots run without them altogether, so isnt a small coil of pipe better than nothing anyway, even if its not the whole volume of the ram?

[xtreme]

Pneumatic stuff

If your running a compressor system you will need some where to store the compressed air before your valve. What ever you use to store the compressed air in has to be able to store more compressed air than the full volume of the ram.

[banana_man]

Pneumatic stuff

Okay then. Buffer looks like the way forward.

[xtreme]

Pneumatic stuff

I dont know how reccomended it is but you could try an aluminium fizzy drinks container. Drill and tap the lid for a pneumatic fitting. People have used them and still do I think little hitter has one in it.

[Mouldy]

Pneumatic stuff

i used a blow torch bottle with the adaptor on the end-

Ive got enough parts to make a cheap compressor fw should you want to buy it as a job lot, aka- compressor, valve, buffer, ram, pressure switch and maybe an 11bar PRV etc..

[banana_man]

Pneumatic stuff

Tom, what sort of drinks container? Im guessing its not a coke can

[Gaseraki]

Pneumatic stuff

more like a 2 Liter bottle.
Not seen many robots use them in a while. Seen most people use those cycling ali drinking bottles.
Think thats what hitter uses.

[banana_man]

Pneumatic stuff

Thanks Marco I tried a system like that at school for engineering club. I see now what tom meant

[xtreme]

Pneumatic stuff

I was on about one of these http://cgi.ebay.co.uk/1-ltr-ALUMINIUM-DRINKS-BOTTLE-water-fuel-sports-flask_W0QQitemZ270319960249QQcmdZViewItemQQptZUK_S portingGoods_HikingEquipment_RL?hash=item270319960 249&_trksid=p3286.c0.m14&_trkparms=72%3A1301|66%3A 2|65%3A12|39%3A1|240%3A1318http://cgi.ebay.co.uk/1-ltr-ALUMINIU...rts-flask_W0QQ itemZ270319960249QQcmdZViewItemQQptZUK_SportingGoo ds_HikingEquipment_RL?hash=ite m270319960249&_trksid=p3286.c0.m14&_trkparms=72%3A 1301|66%3A2|65%3A12|39%3A1|240 %3A1318

[banana_man]

Pneumatic stuff

Precisely what I was thought you were thinking