Thoughts on this air compressor?

[Judo]

Air Compressor Clisby V-Twin Cylinder - Sharp M-80 2HP 240V | Power Tools | Gumtree Australia Kingston Area - Clarinda | 1043775346 (http://www.gumtree.com.au/s-ad/clarinda/power-tools/air-compressor-clisby-v-twin-cylinder-sharp-m-80-2hp-240v/1043775346)

I went to Total Tools and it's $600 for an entry level decent one. So I'm either looking at second hand or a cheap one from Bunnings.

Apart from tyres and general air gun I might do some spraying at some point, but I don't expect to be doing anything too large scale.

[Homestar]

That unit would struggle to run a spray gun. You really need at least 12 to 14 CFM - preferably 16 to get a really good paint job. It would be very good for tyres, small (3/8) rattle gun, air blower, etc. :)

If you want to paint, you'll have to spend some decent dollars unfortunately.

[Judo]

Is there such a unit that does 12-14 CFM on a 10A plug?

[Homestar]

Maybe - just. I think you would find a 12, but anything above that will probably be on a 15 amp plug. I have a 17CFM unit with a 15 amp plug that draws 13.7 amps when running. It may have a filed down earth and be stuck in a 10 amp socket though...:angel:

It is also on the same circuit as the kitchen, so if someone tries to use the toaster or kettle while its running, the 20amp breaker on that circuit trips rather quickly...:D

[LandyAndy]

If you want to spraypaint get an upside down spraygun(see ebay,low pressure sprayguns),they run on low pressure.That unit will run it ok.
It will run a rattlegun but will run out of air pretty quickly.

Andrew

[pop058]

I have a 12 CFM jobie with a 10A plug on it's own cct in the shed. It was as big as I could get (ATT) and still have the 10A plug.

I also have a (quite) large 2nd receiver that can be isolated. This lets the compessor pump up the main tank (only) if I need it for tyres or open up (and wait for it to build up) the big one to run the rattle gun,

[Homestar]

If you want to spraypaint get an upside down spraygun(see ebay,low pressure sprayguns),they run on low pressure.That unit will run it ok.

Andrew

Yeah, but they are low pressure, high volume units. If your just after painting the outdoor furniture, no dramas, but if you want to run a primer surfacer or 2 pack through a 2mm or bigger nozzle, then your paint job will have 'I didn't use a big enough compressor' written all over it.

My 17 CFM runs almost continuously in applications like that.

[Kev the Fridgy]

Just a note for the ratings, the CFM rating can be misleading as it is the manufacturers rated volume at a given pump RPM, various companies assemble there own outfits, some using compressors from a common supplier, they then fit a drive of about 2HP and a pulley sized to allow the motos to run with les load and be compatible with a rated 10 amp supply given that the circuit is most likely protected by a 20 or 25 amp C/B.


You really need to know the units "Free Air Supply" capability or if you like the volume of air it can exhaust from the compressor out let to the tank, then compare this with the tools requirement.


As Bacicat says to get a good job you do need to have at least a 12 or a "Genuine" 10 CFM comp, my old V twin handles my HVLP gun "just", but if your careful it's sort of OK. I also run a HVLP 2.5mm tip resin gun for Gelcoats and have just sprayed around 3Kg's of Flow Coat through a Star pressure fed gun with a 3.5mm tip, it was a struggle and took a bit of setting up but wouldn't want to do anything major with it, although the inside of the cabin isn't exactly small.


If I had a bigger comp set up I would have a Cup Gun, 6mm tip, now that's serious!

[Judo]

Thanks for the advice all. Sounds like a unit that is built for spraying is out of my league for the moment, which is probably OK considering I don't have any spray jobs on the list and only 10A outlets in the shed (also only a single 10A RCD :eek: but that's another discussion all together). I'm going to check out the second hand one in my first post after work today.

Anything in particular I should check?

[Homestar]

Just check it runs ok, and doesn't make any internal rattles or clunks in the compressor itself - they safetly gaurd will rattle - just make sure nothing internally is. I would imagine it should take under a minute to build up air and shut off.

I would also open the drain underneath it and see how much water comes out - if heaps comes out, then I doubt it has been drained often.

[DoubleChevron]

I purchased brand new a clisby compressor.... ripper bloody thing, aussie made receiver, aussie made 3hp motor, aussie made Vtwin compressor. It's had some seriously heavy use over the years.... and I've never had to do anything other than the occasional oil change. It's never even had the compressor belt tightened. I've had it for nearly 20years now (gee's how old am I getting :eek: ). It's the 16CFM clisby compressor though. Just over 13amps running though (so considerably more on startup).

That one will run the old time syphon feed spray guns. Go the old Star S70 :cool: If that compressor runs without any nasty noises, I'd grab it.

seeya,
Shane L.

[Judo]

Purchased. At a discount price too. ;)

It doesn't appear to have a pressure regulator on it. Do I only need one of those for spraying?

Also what's the most standard type of connectors? I know there's Nitto, but mine has a different (smaller) connector on it. While I'm starting from scratch I might as well go the most common.... Thoughts?

[Homestar]

Well done. :). You will need a pressure reg and water trap to paint with, but that can wait if you only want to use it for other stuff at the moment.

The connector sets from Super cheap are quite well priced, but they aren't great quality, but will get you out of trouble.:)

These are the ones you want - much better flow than the smaller brass type.

[Judo]

Well done. :). You will need a pressure reg and water trap to paint with, but that can wait if you only want to use it for other stuff at the moment.

The connector sets from Super cheap are quite well priced, but they aren't great quality, but will get you out of trouble.:)

These are the ones you want - much better flow than the smaller brass type.
Cool, thanks.

I went to Bunnings on the way home with the compressor in the back to buy some tools... :D But decided to bail since I had to choose between connector types and the selection there was terrible after being in Total Tools a few days ago! The only brand of air gun and tyre gun they had was "project air". Bunnings brand I think?

That photo loos like what I'm calling "nitto". If that's the way to go, I'll change the outlet socket on the compressor from the small brass type to that.

The guy gave me a new water trap that he never fitted, so I have that. I'll just need to get a pressure regulator if I ever want to do spraying. :)

[Kev the Fridgy]

Nitto fittings are the most common these days as they are copied by all and sundry, I would suggest getting a Reg straight up as you will avoid short cycling which is a problem I see often, also quite a lot of air tools do not need to be run at full tank pressure

[DoubleChevron]

Don't be too concerned about the capacity for now ... If you find you don't have enough air to run a specific tool, you can just daisy chain a second lower capacity compressor in there :)

seeya
Shane L.

[33chinacars]

I prefer Ryco fittings. . Better flow

[Judo]

Ah yes, I remember this thread. :D

Compressor has had a few cycles now and it's great. I'm actually impressed how short the run cycle is. Runs for hardly any time. Can't remember what the pressure switch is set to now though.

I have changed the compressor outlet to Nitto type and bought an air gun and tyre thing. I asked the guy at Total Tools about the benefits of each fitting and he said comments about one being for flow and different brands being better quality is mostly all rubbish. Nitto is currently the most common, but outside of that there are really no benefits either way.

Cheers all.