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doug.medema(at)comcast.ne
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 Posted: Tue May 08, 2007 4:55 pm Post subject: Compressor & Painting Questions |
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I'm equipping my paint booth and have come up with some questions.
I'm planning on buying the DeVilbiss FinishLine 3 HVLP spray gun.
This gun takes more air than my little 2hp compressor can deliver so
I'm going to buy a bigger one.
I'm choosing between the Kobalt 60 gallon single stage from Lowes or
the Husky Pro 60 gallon single stage from Home Depot. Both have
15 amp 230 volt motors. The Kobalt has better specs as far as
SCFM is concerned. The pump has a cast iron case and cylinder
(though the cylinder head appears to be aluminum). It is a single
cylinder pump. The Husky Pro has a two cylinder compressor, but
the cylinders are aluminum with supposedly an iron or steel sleeve.
The Kobalt gives a noise rating of 76dBa which seems fairly quiet for
a compressor of this size. Both cost $400. I would probably just
choose the Kobalt, but there are some horror stories on the internet
about problems with Kobalt compressors and getting them serviced.
1) Anybody out there have experience with either of these compressors?
Things you like? Things you dislike?
2) My painting area is quite a ways away from where I have 230Volt power.
I was originally planning to buy a 100 foot 10 gauge extension cord, cut
off the ends, and wire it to the compressor and a plug that fits my 230
outlets. Those cords are almost $100 right now! I already have 100 feet of
3/8" I.D. air hose. Will I have any problems running an HVLP gun
off 100 feet of air hose?
3) I could bring my old compressor into my paint booth and use it's 20
gallon tank as a more local air storage tank. Would this help any
problems associated with using 100 feet of air hose?
Thanks for your help. I'm getting close to starting the painting process!
Doug Medema
RV-6A N276DM
2:23 PM
[quote][b]
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pitts_pilot(at)bellsouth.
Guest
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| Posted: Tue May 08, 2007 6:42 pm Post subject: Compressor & Painting Questions |
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Doug Medema wrote:
| Quote: | I'm equipping my paint booth and have come up with some questions.
I'm planning on buying the DeVilbiss FinishLine 3 HVLP spray gun.
This gun takes more air than my little 2hp compressor can deliver so
I'm going to buy a bigger one.
I'm choosing between the Kobalt 60 gallon single stage from Lowes or
the Husky Pro 60 gallon single stage from Home Depot.
|
I'd stay away from single cykinder single stage compressors. they'll run a lot longer with the attendant noise .... whatever it is!
| Quote: | Both have
15 amp 230 volt motors. The Kobalt has better specs as far as
SCFM is concerned. The pump has a cast iron case and cylinder
(though the cylinder head appears to be aluminum). It is a single
cylinder pump. The Husky Pro has a two cylinder compressor, but
the cylinders are aluminum with supposedly an iron or steel sleeve.
The Kobalt gives a noise rating of 76dBa which seems fairly quiet for
a compressor of this size. Both cost $400. I would probably just
choose the Kobalt, but there are some horror stories on the internet
about problems with Kobalt compressors and getting them serviced.
1) Anybody out there have experience with either of these compressors?
Things you like? Things you dislike?
|
No experience with either. I have a two stage 60 gal compressor from Home depot ..... around $350 a few years back. It's worked well with everything I've thrown at it. | Quote: | 2) My painting area is quite a ways away from where I have 230Volt power.
I was originally planning to buy a 100 foot 10 gauge extension cord, cut
off the ends, and wire it to the compressor and a plug that fits my 230
outlets. Those cords are almost $100 right now! I already have 100 feet of
3/8" I.D. air hose. Will I have any problems running an HVLP gun
off 100 feet of air hose?
|
Buy a 100' box of #10 romex. Hell of a lot cheaper than the extension cord and will work fine. | Quote: | 3) I could bring my old compressor into my paint booth and use it's 20
gallon tank as a more local air storage tank. Would this help any
problems associated with using 100 feet of air hose?
|
Actually, it will. The hose will stretch in size at full pressure, and the pressure will drop significantly in the first few seconds of paint spraying. The built-in regulator will help too. | Quote: | Thanks for your help. I'm getting close to starting the painting process!
|
Well it's just my opinion, but I think you'll be far ahead of the game with the romex and the two stage compressor near your painting project.
Linn
do not archive
[quote]
Doug Medema
RV-6A N276DM
2:23 PM
[b]
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bmeyette
Joined: 14 Mar 2007
Posts: 72
Location: Cornish, NH
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| Posted: Wed May 09, 2007 5:25 am Post subject: Compressor & Painting Questions |
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It’s highly recommended to extend an air compressor’s range via hose, rather than wire. I believe the owner’s manual for most any compressor will tell you this. The most common hose size is 3/8”, with ¼” being the cheap stuff. If you’re concerned about air flow, use ½” hose. You could go larger, but I doubt you’d need it. ½” hose and fittings are fairly common.
<![if !supportEmptyParas]> <![endif]>
It sounds to me like either compressor you mentioned will be more than enough. I can’t speak to the servicing of either compressor.
brian
<![if !supportEmptyParas]> <![endif]>
<![if !supportEmptyParas]> <![endif]>
<![if !supportEmptyParas]> <![endif]>
<![if !supportEmptyParas]> <![endif]>
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_________________
Brian Meyette, Cornish, NH
RV-7A QB tipup, supercharged Subaru STi engine, MT CS prop, all glass day/night/IFR panel, being built with solar and wind power
N432MM
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rvbuilder(at)sausen.net
Guest
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| Posted: Wed May 09, 2007 6:03 am Post subject: Compressor & Painting Questions |
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Two stage compressors are always better if you can do it but for most of us a single stage will be more than enough. Big thing is to get away from any oil less compressors as they are all garbage. CFM is the most important thing, especially if you are using an HVLP gun. More at higher pressure is always better. Look at the amperage of the motor (inrush and running) and get the appropriate sized wire for it rather than spending a bunch on a extension cord. 15amp = 14GA, 20amp=12GA, 30 amp=10GA, etc. Even at 100 feet 12GA is more than enough. I went with an IR compressor and it’s served me very well so far.
http://www.tractorsupply.com/detail.asp?pcID=1&paID=1010&sonID=469&page=1&productID=28825
Michael Sausen
-10 #352 Limbo
From: owner-rv-list-server(at)matronics.com [mailto:owner-rv-list-server(at)matronics.com] On Behalf Of linn Walters
Sent: Tuesday, May 08, 2007 10:42 PM
To: rv-list(at)matronics.com
Subject: Re: Compressor & Painting Questions
Doug Medema wrote:
I'm equipping my paint booth and have come up with some questions.
I'm planning on buying the DeVilbiss FinishLine 3 HVLP spray gun.
This gun takes more air than my little 2hp compressor can deliver so
I'm going to buy a bigger one.
I'm choosing between the Kobalt 60 gallon single stage from Lowes or
the Husky Pro 60 gallon single stage from Home Depot.
I'd stay away from single cykinder single stage compressors. they'll run a lot longer with the attendant noise .... whatever it is!
Both have
15 amp 230 volt motors. The Kobalt has better specs as far as
SCFM is concerned. The pump has a cast iron case and cylinder
(though the cylinder head appears to be aluminum). It is a single
cylinder pump. The Husky Pro has a two cylinder compressor, but
the cylinders are aluminum with supposedly an iron or steel sleeve.
The Kobalt gives a noise rating of 76dBa which seems fairly quiet for
a compressor of this size. Both cost $400. I would probably just
choose the Kobalt, but there are some horror stories on the internet
about problems with Kobalt compressors and getting them serviced.
1) Anybody out there have experience with either of these compressors?
Things you like? Things you dislike?
No experience with either. I have a two stage 60 gal compressor from Home depot ..... around $350 a few years back. It's worked well with everything I've thrown at it.
2) My painting area is quite a ways away from where I have 230Volt power.
I was originally planning to buy a 100 foot 10 gauge extension cord, cut
off the ends, and wire it to the compressor and a plug that fits my 230
outlets. Those cords are almost $100 right now! I already have 100 feet of
3/8" I.D. air hose. Will I have any problems running an HVLP gun
off 100 feet of air hose?
Buy a 100' box of #10 romex. Hell of a lot cheaper than the extension cord and will work fine.
3) I could bring my old compressor into my paint booth and use it's 20
gallon tank as a more local air storage tank. Would this help any
problems associated with using 100 feet of air hose?
Actually, it will. The hose will stretch in size at full pressure, and the pressure will drop significantly in the first few seconds of paint spraying. The built-in regulator will help too.
Thanks for your help. I'm getting close to starting the painting process!
Well it's just my opinion, but I think you'll be far ahead of the game with the romex and the two stage compressor near your painting project.
Linn
Doug Medema
RV-6A N276DM
2:23 PM
[quote] ; - The RV-List Email Forum --> http://www.matronics.cobsp; - NEW MATRONICS WEB FORUMS -href="http://forums.matronics.com">http://forums.matronics.com</==================[/b] [b]
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n616tb(at)btsapps.com
Guest
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| Posted: Wed May 09, 2007 6:33 am Post subject: Compressor & Painting Questions |
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As far as using a 100foot hose, just put your regulator at the painting end of the hose and you would be fine.
Tim
From: owner-rv-list-server(at)matronics.com [mailto:owner-rv-list-server(at)matronics.com] On Behalf Of linn Walters
Sent: Tuesday, May 08, 2007 9:42 PM
To: rv-list(at)matronics.com
Subject: Re: Compressor & Painting Questions
Doug Medema wrote:
I'm equipping my paint booth and have come up with some questions.
I'm planning on buying the DeVilbiss FinishLine 3 HVLP spray gun.
This gun takes more air than my little 2hp compressor can deliver so
I'm going to buy a bigger one.
I'm choosing between the Kobalt 60 gallon single stage from Lowes or
the Husky Pro 60 gallon single stage from Home Depot.
I'd stay away from single cykinder single stage compressors. they'll run a lot longer with the attendant noise ... whatever it is!
Both have
15 amp 230 volt motors. The Kobalt has better specs as far as
SCFM is concerned. The pump has a cast iron case and cylinder
(though the cylinder head appears to be aluminum). It is a single
cylinder pump. The Husky Pro has a two cylinder compressor, but
the cylinders are aluminum with supposedly an iron or steel sleeve.
The Kobalt gives a noise rating of 76dBa which seems fairly quiet for
a compressor of this size. Both cost $400. I would probably just
choose the Kobalt, but there are some horror stories on the internet
about problems with Kobalt compressors and getting them serviced.
1) Anybody out there have experience with either of these compressors?
Things you like? Things you dislike?
No experience with either. I have a two stage 60 gal compressor from Home depot ..... around $350 a few years back. It's worked well with everything I've thrown at it.
2) My painting area is quite a ways away from where I have 230Volt power.
I was originally planning to buy a 100 foot 10 gauge extension cord, cut
off the ends, and wire it to the compressor and a plug that fits my 230
outlets. Those cords are almost $100 right now! I already have 100 feet of
3/8" I.D. air hose. Will I have any problems running an HVLP gun
off 100 feet of air hose?
Buy a 100' box of #10 romex. Hell of a lot cheaper than the extension cord and will work fine.
3) I could bring my old compressor into my paint booth and use it's 20
gallon tank as a more local air storage tank. Would this help any
problems associated with using 100 feet of air hose?
Actually, it will. The hose will stretch in size at full pressure, and the pressure will drop significantly in the first few seconds of paint spraying. The built-in regulator will help too.
Thanks for your help. I'm getting close to starting the painting process!
Well it's just my opinion, but I think you'll be far ahead of the game with the romex and the two stage compressor near your painting project.
Linn
do not archive
Doug Medema
RV-6A N276DM
2:23 PM
01234567
[quote][b]
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http://www.matronics.com/Navigator?RV-List |
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AV8ORJWC
Joined: 13 Jul 2006
Posts: 1149
Location: Aurora, Oregon "Home of VANS"
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| Posted: Wed May 09, 2007 9:48 am Post subject: Compressor & Painting Questions |
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|
There is a substantial pressure loss with length of hose and material constructed. Hard plumbing of the supply lines helps regardless of PVC, copper or steel supply lines. The reservoir capacity makes a difference in cycle time. Locating it away from the work area makes for a pleasant experience. I found a cost benefit in using 230VAC rather than another 115VAC run. But then, I went nuts and bought a twin Ingersoll Rand and thought I could hide it from my wife.
Draining the tank is an important feature as well.
Harbor Freight is offering disposable inline filters - Item 38159 for $2.99 (Save 2 bucks with an email coupon) through 5/12.
John Cox
From: owner-rv-list-server(at)matronics.com [mailto:owner-rv-list-server(at)matronics.com] On Behalf Of Brian Meyette
Sent: Wednesday, May 09, 2007 7:21 AM
To: rv-list(at)matronics.com
Subject: RE: Compressor & Painting Questions
It’s highly recommended to extend an air compressor’s range via hose, rather than wire. I believe the owner’s manual for most any compressor will tell you this. The most common hose size is 3/8”, with ¼” being the cheap stuff. If you’re concerned about air flow, use ½” hose. You could go larger, but I doubt you’d need it. ½” hose and fittings are fairly common.
It sounds to me like either compressor you mentioned will be more than enough. I can’t speak to the servicing of either compressor.
brian
-----Original Message-----
From: owner-rv-list-server(at)matronics.com [mailto:owner-rv-list-server(at)matronics.com]On Behalf Of Doug Medema
Sent: Tuesday, May 08, 2007 7:55 PM
To: rv-list(at)matronics.com
Subject: Compressor & Painting Questions
I'm equipping my paint booth and have come up with some questions.
I'm planning on buying the DeVilbiss FinishLine 3 HVLP spray gun.
This gun takes more air than my little 2hp compressor can deliver so
I'm going to buy a bigger one.
I'm choosing between the Kobalt 60 gallon single stage from Lowes or
the Husky Pro 60 gallon single stage from Home Depot. Both have
15 amp 230 volt motors. The Kobalt has better specs as far as
SCFM is concerned. The pump has a cast iron case and cylinder
(though the cylinder head appears to be aluminum). It is a single
cylinder pump. The Husky Pro has a two cylinder compressor, but
the cylinders are aluminum with supposedly an iron or steel sleeve.
The Kobalt gives a noise rating of 76dBa which seems fairly quiet for
a compressor of this size. Both cost $400. I would probably just
choose the Kobalt, but there are some horror stories on the internet
about problems with Kobalt compressors and getting them serviced.
1) Anybody out there have experience with either of these compressors?
Things you like? Things you dislike?
2) My painting area is quite a ways away from where I have 230Volt power.
I was originally planning to buy a 100 foot 10 gauge extension cord, cut
off the ends, and wire it to the compressor and a plug that fits my 230
outlets. Those cords are almost $100 right now! I already have 100 feet of
3/8" I.D. air hose. Will I have any problems running an HVLP gun
off 100 feet of air hose?
3) I could bring my old compressor into my paint booth and use it's 20
gallon tank as a more local air storage tank. Would this help any
problems associated with using 100 feet of air hose?
Thanks for your help. I'm getting close to starting the painting process!
Doug Medema
RV-6A N276DM
2:23 PM [quote] - NEW MATRONICS WEB FORUMS ---> http://forums.matronics.com[b]
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n616tb(at)btsapps.com
Guest
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| Posted: Wed May 09, 2007 11:01 am Post subject: Compressor & Painting Questions |
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If you keep the hose at high pressure off the compressor and put your regulator at the end where you are working, it shouldn’t be a problem. 100 ‘ of hose at 125psi should be sufficient if you are spraying at 35-45 psi. Unfortunately I don’t know how much volume is used with HVLP even though the HV stands for high volume.
Do Not Archive
Tim
From: owner-rv-list-server(at)matronics.com [mailto:owner-rv-list-server(at)matronics.com] On Behalf Of John W. Cox
Sent: Wednesday, May 09, 2007 12:48 PM
To: rv-list(at)matronics.com
Subject: RE: Compressor & Painting Questions
There is a substantial pressure loss with length of hose and material constructed. Hard plumbing of the supply lines helps regardless of PVC, copper or steel supply lines. The reservoir capacity makes a difference in cycle time. Locating it away from the work area makes for a pleasant experience. I found a cost benefit in using 230VAC rather than another 115VAC run. But then, I went nuts and bought a twin Ingersoll Rand and thought I could hide it from my wife.
Draining the tank is an important feature as well.
Harbor Freight is offering disposable inline filters - Item 38159 for $2.99 (Save 2 bucks with an email coupon) through 5/12.
John Cox
From: owner-rv-list-server(at)matronics.com [mailto:owner-rv-list-server(at)matronics.com] On Behalf Of Brian Meyette
Sent: Wednesday, May 09, 2007 7:21 AM
To: rv-list(at)matronics.com
Subject: RE: Compressor & Painting Questions
It’s highly recommended to extend an air compressor’s range via hose, rather than wire. I believe the owner’s manual for most any compressor will tell you this. The most common hose size is 3/8”, with ¼” being the cheap stuff. If you’re concerned about air flow, use ½” hose. You could go larger, but I doubt you’d need it. ½” hose and fittings are fairly common.
It sounds to me like either compressor you mentioned will be more than enough. I can’t speak to the servicing of either compressor.
brian
-----Original Message-----
From: owner-rv-list-server(at)matronics.com [mailto:owner-rv-list-server(at)matronics.com]On Behalf Of Doug Medema
Sent: Tuesday, May 08, 2007 7:55 PM
To: rv-list(at)matronics.com
Subject: Compressor & Painting Questions
I'm equipping my paint booth and have come up with some questions.
I'm planning on buying the DeVilbiss FinishLine 3 HVLP spray gun.
This gun takes more air than my little 2hp compressor can deliver so
I'm going to buy a bigger one.
I'm choosing between the Kobalt 60 gallon single stage from Lowes or
the Husky Pro 60 gallon single stage from Home Depot. Both have
15 amp 230 volt motors. The Kobalt has better specs as far as
SCFM is concerned. The pump has a cast iron case and cylinder
(though the cylinder head appears to be aluminum). It is a single
cylinder pump. The Husky Pro has a two cylinder compressor, but
the cylinders are aluminum with supposedly an iron or steel sleeve.
The Kobalt gives a noise rating of 76dBa which seems fairly quiet for
a compressor of this size. Both cost $400. I would probably just
choose the Kobalt, but there are some horror stories on the internet
about problems with Kobalt compressors and getting them serviced.
1) Anybody out there have experience with either of these compressors?
Things you like? Things you dislike?
2) My painting area is quite a ways away from where I have 230Volt power.
I was originally planning to buy a 100 foot 10 gauge extension cord, cut
off the ends, and wire it to the compressor and a plug that fits my 230
outlets. Those cords are almost $100 right now! I already have 100 feet of
3/8" I.D. air hose. Will I have any problems running an HVLP gun
off 100 feet of air hose?
3) I could bring my old compressor into my paint booth and use it's 20
gallon tank as a more local air storage tank. Would this help any
problems associated with using 100 feet of air hose?
Thanks for your help. I'm getting close to starting the painting process!
Doug Medema
RV-6A N276DM
2:23 PM 0 | Quote: | | - NEW MATRONICS WEB FORUMS - |
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klwerner(at)comcast.net
Guest
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| Posted: Wed May 09, 2007 11:10 am Post subject: Compressor & Painting Questions |
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You can always put one of these portable airtanks 5-7 gallons at the end of the hose and before the paintgun, to be used as a pressure buffer. Works just fine, as I did that many times before!!!
[quote] ---
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michael.phil(at)ca.rr.com
Guest
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| Posted: Wed May 09, 2007 11:47 am Post subject: Compressor & Painting Questions |
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Don't forget that the fuel-air vapor of paint spray is highly explosive and as such you should keep the air compressor out of the paint booth.
I'm sure that you already know that, but its worth mentionig.
Have fun.
---- "Konrad L. Werner" <klwerner(at)comcast.net> wrote:
[quote] You can always put one of these portable airtanks 5-7 gallons at the end of the hose and before the paintgun, to be used as a pressure buffer. Works just fine, as I did that many times before!!!
---
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