Jump to content


Photo

Which Compressor?

paint

  • Please log in to reply
41 replies to this topic

#31 skoughi

skoughi

    One Carb Or Two?

  • TMF+ Member
  • PipPipPipPipPipPipPip
  • 1,179 posts
  • Location: Lerwick
  • Local Club: Shetland classic car club

Posted 26 May 2013 - 11:04 AM

The idea of different settings on pressure switch is to avoid high current surge being same on both, no problem with them set at different pressure, if not much air being used then the one compressor keeps the tank full, if it can't keep up with demand then pressure drops slightly more and the second one kicks in to keep up with demand. It's a proven method that works. Just make sure both compressors are rated to same pressure.

I understand now!

#32 sonikk4

sonikk4

    Twisted Paint Polisher!!!

  • Admin
  • PipPipPipPipPipPipPipPipPipPipPip
  • 15,295 posts
  • Name: Neil
  • Location: Oxfordshire

Posted 26 May 2013 - 11:11 AM

 

 

 

 

 

 

I just bought one of these for the garage to power guns, die grinder and small HVLP for spraying blocks etc...  More than up to the job, very portable, small foot print and very keenly priced....

 

https://www.facebook...&type=1

 

 

 

That looks like a really good idea. I've often thought about upgrading to a bigger compressor, but with a small single domestic garage, I really don't want to loose all the extra space that a bigger one will inevitably take up. This upright version could well be the answer though!!  :thumbsup:

 

How does it cope with air tools? :unsure:

 

 

This is what concerns me, i like the idea of it taking up less space than my current monster but 10 CFM won't run my high speed grinder properly along with some of my drills. Still its a nice compact size. The Americans run some very nice vertical compressors at very reasonable prices as well. Shame they are not usable here.

 

 

10cfm is ok for domestic applications, any more than that and you need a 16amp supply which most domestic installations don't, other than for a power shower or cooker.

 

For serious air power I have this in the unit... 15kw / 60cfm

 

attachicon.gif19112010198_s.jpg

 

 

I have a 14CFM on a 3hp, no additional wiring needed, but it is at the limit, the size is sold by virtually all manufacturers without any instructions to upgrade your electrical supply.

 

 

This is a grey area as when i started to have trouble with my compressor i queried the manual stating a 13 amp circuit would be sufficient. The Machinemart salesman argued the manual said you needed to upgrade the circuit but i showed him what the manual said so he shut up then. I rang their tech guys and they said "yes it does need a heavier circuit to take into consideration the start up loads"

 

Now this may not be the same for all 3hp motored compressors but playing devils advocate here and what i went through upgrading a stand alone circuit just for the compressor cannot be a bad thing.

As i said i now have a split consumer unit in my garage just purely so i can keep thing separate. At least that way i know there will be no issues.

 

If you find it starts to trip then thats what will need to be done.



#33 Daz1968

Daz1968

    Up Into Fourth

  • Members
  • PipPipPipPipPipPipPipPipPip
  • 2,036 posts
  • Location: Dudley

Posted 26 May 2013 - 04:00 PM

I have my 3hp compressor on its own 30 amp circuit breaker wired direct with 4mm wire and an isolation switch mounted on the wall. Might be a bit overkill but its defo not recommended to put one on a 13amp plug

#34 lrostoke

lrostoke

    Crazy About Mini's

  • Members
  • PipPipPipPipPipPipPipPipPipPip
  • 6,923 posts
  • Location: Maybank, Staffordshire
  • Local Club: none

Posted 26 May 2013 - 06:15 PM

The belt driven one I have now 150 litre tank 14cfm 3 hp...Machinemarts webpage says must be run from a 30amp supply minimum

 

The one I had previous was a direct drive 60litre but also 3hp and it came fitted with a 13amp plug



#35 firstforward

firstforward

    One Carb Or Two?

  • Members
  • PipPipPipPipPipPipPip
  • 823 posts
  • Location: Cornwall

Posted 27 May 2013 - 09:15 AM

I agree it is best practice to beef up the electrical supply, especially if you are running electrical heating off the same circuit. I bought mine 2 years ago and whilst Machine Mart do specifically advise to upgrade to a 30amp circuit they did not 2 years ago, for example here is one today and no suggestion.

 

http://www.machinema...-air-compressor

 

 

At the end of the day you don't want to have any hassle's in the middle of a respray, maybe also its how old or what condition your existing wiring is??



#36 andylep

andylep

    Mini Mad

  • Noobies
  • PipPipPipPip
  • 119 posts
  • Location: Birmingham
  • Local Club: British Mini Club

Posted 22 April 2014 - 09:30 PM

Figured i would post on this thread instead of making a new one.

I have been looking at all the threads on air compressors on here as i am thinking of spraying my mini myself with my father.

 So the specs i have gathered i needed is  100L tank, 7cfm,8bar,3hp generally things along them lines 

 

So i have found a couple and would just like an opinion as  the first link is £100 cheaper as it is not a name brand and the second is so i was just wondering if its worth paying the extra £100 for the name/quality or will the other be as good. Im not trying to be cheap but not being wasteful either.

 

 http://www.amazon.co.uk/TRUESHOPPING%C2%AE-PROFESSIONAL-HEAVY-COMPRESSOR-7-2CFM/dp/B00B762FRM/ref=sr_1_13?s=diy&ie=UTF8&qid=1398200982&sr=1-13&keywords=100+litre+air+compressor#productDetails

 

http://www.machinema...tre-air-compres

 

Thanks Andy 



#37 leeuk

leeuk

    Super Mini Mad

  • Members
  • PipPipPipPipPipPip
  • 681 posts
  • Location: Wednesbury

Posted 22 April 2014 - 10:30 PM



Figured i would post on this thread instead of making a new one.

I have been looking at all the threads on air compressors on here as i am thinking of spraying my mini myself with my father.

 So the specs i have gathered i needed is  100L tank, 7cfm,8bar,3hp generally things along them lines 

 

So i have found a couple and would just like an opinion as  the first link is £100 cheaper as it is not a name brand and the second is so i was just wondering if its worth paying the extra £100 for the name/quality or will the other be as good. Im not trying to be cheap but not being wasteful either.

 

 http://www.amazon.co.uk/TRUESHOPPING%C2%AE-PROFESSIONAL-HEAVY-COMPRESSOR-7-2CFM/dp/B00B762FRM/ref=sr_1_13?s=diy&ie=UTF8&qid=1398200982&sr=1-13&keywords=100+litre+air+compressor#productDetails

 

http://www.machinema...tre-air-compres

 

Thanks Andy 

Ive just purchased this one for just £214 and it arrived today - http://www.frost.co....compressor.html

It was recommended by Guessworks over on another thread and as its quite space saving this appealed to me  ;-)

Attached File  compressor.jpg   28.44K   3 downloads

 

The day after I placed my order the company (Frost) offered there Easter savings offering an extra 10% off (typical lol) This offer ends 12pm tonight !!

Enter 144EASTER at the checkout to receive the discount.



#38 andylep

andylep

    Mini Mad

  • Noobies
  • PipPipPipPip
  • 119 posts
  • Location: Birmingham
  • Local Club: British Mini Club

Posted 22 April 2014 - 10:56 PM

Ahh that looks brilliant for the price mate thank you ( and thanks you Guessworks )  

 will probably end up buying that soon :) best one i have seen so far.



#39 andylep

andylep

    Mini Mad

  • Noobies
  • PipPipPipPip
  • 119 posts
  • Location: Birmingham
  • Local Club: British Mini Club

Posted 30 April 2014 - 06:24 PM

 

Figured i would post on this thread instead of making a new one.

I have been looking at all the threads on air compressors on here as i am thinking of spraying my mini myself with my father.

 So the specs i have gathered i needed is  100L tank, 7cfm,8bar,3hp generally things along them lines 

 

So i have found a couple and would just like an opinion as  the first link is £100 cheaper as it is not a name brand and the second is so i was just wondering if its worth paying the extra £100 for the name/quality or will the other be as good. Im not trying to be cheap but not being wasteful either.

 

 http://www.amazon.co.uk/TRUESHOPPING%C2%AE-PROFESSIONAL-HEAVY-COMPRESSOR-7-2CFM/dp/B00B762FRM/ref=sr_1_13?s=diy&ie=UTF8&qid=1398200982&sr=1-13&keywords=100+litre+air+compressor#productDetails

 

http://www.machinema...tre-air-compres

 

Thanks Andy 

Ive just purchased this one for just £214 and it arrived today - http://www.frost.co....compressor.html

It was recommended by Guessworks over on another thread and as its quite space saving this appealed to me   ;-)

attachicon.gifcompressor.jpg

 

The day after I placed my order the company (Frost) offered there Easter savings offering an extra 10% off (typical lol) This offer ends 12pm tonight !!

Enter 144EASTER at the checkout to receive the discount.

 

Mate just quick question  did you need an adapter for the outlet to hose or do you know what size  hose is need to buy with this . 



#40 leeuk

leeuk

    Super Mini Mad

  • Members
  • PipPipPipPipPipPip
  • 681 posts
  • Location: Wednesbury

Posted 30 April 2014 - 07:04 PM

 

 

Figured i would post on this thread instead of making a new one.

I have been looking at all the threads on air compressors on here as i am thinking of spraying my mini myself with my father.

 So the specs i have gathered i needed is  100L tank, 7cfm,8bar,3hp generally things along them lines 

 

So i have found a couple and would just like an opinion as  the first link is £100 cheaper as it is not a name brand and the second is so i was just wondering if its worth paying the extra £100 for the name/quality or will the other be as good. Im not trying to be cheap but not being wasteful either.

 

 http://www.amazon.co.uk/TRUESHOPPING%C2%AE-PROFESSIONAL-HEAVY-COMPRESSOR-7-2CFM/dp/B00B762FRM/ref=sr_1_13?s=diy&ie=UTF8&qid=1398200982&sr=1-13&keywords=100+litre+air+compressor#productDetails

 

http://www.machinema...tre-air-compres

 

Thanks Andy 

Ive just purchased this one for just £214 and it arrived today - http://www.frost.co....compressor.html

It was recommended by Guessworks over on another thread and as its quite space saving this appealed to me   ;-)

attachicon.gifcompressor.jpg

 

The day after I placed my order the company (Frost) offered there Easter savings offering an extra 10% off (typical lol) This offer ends 12pm tonight !!

Enter 144EASTER at the checkout to receive the discount.

 

Mate just quick question  did you need an adapter for the outlet to hose or do you know what size  hose is need to buy with this . 

 

Just the standard size mate 1/4" ;-)

http://www.ebay.co.u...984.m1439.l2649

 

http://www.ebay.co.u...984.m1439.l2649



#41 andylep

andylep

    Mini Mad

  • Noobies
  • PipPipPipPip
  • 119 posts
  • Location: Birmingham
  • Local Club: British Mini Club

Posted 01 May 2014 - 08:00 PM

Thanks again mate 



#42 JonnyAlpha

JonnyAlpha

    Up Into Fourth

  • TMF+ Member
  • PipPipPipPipPipPipPipPipPip
  • 2,438 posts
  • Location: North Devon
  • Local Club: Exmoor Minis

Posted 01 May 2014 - 08:30 PM

If anyone is interested and only has access to 2 x small compressors I had a thread going on the Mig Welding Forums asking for advice on connecting them together, the thread also has info on fitting water traps etc.

 

Its located here

 

I also started a thread on what compressor to get, the thread contains advice on spraying with a small compressor.

 

Its located here

 

IMHO if you have the cash go for a compressor that will be up to the task of a standard size spray gun!! I don't have that option at the moment i'm afraid so I have hooked up 2 x 2HP, 25Ltr, 8cfm Compressors so I'll have about 16cfm with 50Ltr storage running at whatever the highest PSI is for either compressor (think its about 118 PSI).







Also tagged with one or more of these keywords: paint

1 user(s) are reading this topic

0 members, 1 guests, 0 anonymous users

Mini Spares