Purple Harbor Freight HVLP Guns are on sale. - Page 2 - Hot Rod Forum : Hotrodders Bulletin Board
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  #16 (permalink)  
Old 10-05-2010, 06:58 PM
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I have seen the purple guns go on sale for less than $10. Everytime they go on sale they have big stacks of them in the store. They sell fast.

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  #17 (permalink)  
Old 10-05-2010, 07:37 PM
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Quote:
Originally Posted by V8&4spd
I have seen the purple guns go on sale for less than $10. Everytime they go on sale they have big stacks of them in the store. They sell fast.
In part I am sure because of this web site.

Vince
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  #18 (permalink)  
Old 10-05-2010, 08:18 PM
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Quote:
Originally Posted by 302 Z28
In part I am sure because of this web site.

Vince
I don't know about that. I did not know this web site existed when I started using the purple guns. Someone on a lowrider site mentioned the HF guns working good. I was afraid to use one for a top coat until I had to when another gun I had would not spray clear.
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  #19 (permalink)  
Old 10-05-2010, 08:23 PM
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I went to the lowrider site because that is who I saw doing all the work at the body shops in town.
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  #20 (permalink)  
Old 10-06-2010, 08:22 AM
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Quote:
Originally Posted by V8&4spd
There is a HF close by. The only thing I could see different between the more exspensive purple gun and the cheaper on is the more expensive one uses a little bit fancier knobs on it and a different cup. The draw back on the purple guns is the cup size, they use a 20 oz cup. They use to make a purple gun with a 1.5 tip, now I only see the 1.4 tip. Once you have the air regulator, you can use it on other guns. They sell the air regulator seperate if you want one.
The blue Titan gun I bought, that was more expensive, has the same cap and knobs. I used the purple harbor gun for paint cause it just "seemed" to be a more well made gun. Could just be cause of the knobs and cap. Other than that, they're pretty much the same.
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Old 10-06-2010, 09:56 PM
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That's good to know that these guns work as well as they do. That paint sure looks nice on that bug fender. It looks great on that coupe too. It would be great to get a smaller cup for that gun just for spot priming with epoxy. Good stuff here! I think bugs are cool. I had a Westfalia campmobile.
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Old 10-06-2010, 10:00 PM
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So if price was no object (ERr, you know what I mean, since I'm debating two cheap guns), to spray a metallic base, and clear coat, would you go with the purple gun, or an Astro EVO? What are the pros and cons?

I've been debating what budget gun to shoot one car with, and I'm pretty much a noob. I already have a purple gun for primer.

Edited to add: The purple gun isn't an actual HVLP though, is it? I have another gun from Princess Auto (Your harbor freight pretty much) that looks like it came out of the same chinese factory, with the model number in the same place, but on the other side of the gun in the same place it says HVLP. The purple gun does not. THe purple gun is H827W and the blue one says H881W)
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  #23 (permalink)  
Old 10-06-2010, 10:19 PM
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If the paint cup goes on the top of the gun it is high volume low pressure whether or not it actually says HVLP on the gun . All siphon guns have the cup on the bottom . Did anybody have an old gun with a pressurized paint cup on the bottom of the gun ? I had one when I was a kid . What a POS !
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  #24 (permalink)  
Old 10-06-2010, 10:32 PM
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Quote:
Originally Posted by adantessr
If the paint cup goes on the top of the gun it is high volume low pressure whether or not it actually says HVLP on the gun . All siphon guns have the cup on the bottom . Did anybody have an old gun with a pressurized paint cup on the bottom of the gun ? I had one when I was a kid . What a POS !
?! Even I know that's not true! It's a gravity gun, that's for sure.
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  #25 (permalink)  
Old 10-06-2010, 10:36 PM
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Okay if there is such a thing as a gravity gun I learned something today . Of course I have been out of the paint and body business since 1985 so I probably should have kept my mouth shut in the first place . SORRY !
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  #26 (permalink)  
Old 10-07-2010, 08:17 AM
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Quote:
Originally Posted by adantessr
If the paint cup goes on the top of the gun it is high volume low pressure whether or not it actually says HVLP on the gun . All siphon guns have the cup on the bottom . Did anybody have an old gun with a pressurized paint cup on the bottom of the gun ? I had one when I was a kid . What a POS !
HVLP guns can come in a number of configurations. The HVLP definition requires the atomization pressure be at 10psi; that is the definition. If it does that, it is a HVLP.

In reality, the HF gun may be an HVLP gun but my guess is when we use it, and we spray with it as a consumer, it sprays better then with a 10 psi atomization pressure.

Keep in mind this is not regulated pressure. The only way to measure this is to pull the cap drill a hole, and put a pressure gauge on the cap.
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  #27 (permalink)  
Old 10-07-2010, 11:47 AM
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Quote:
Originally Posted by adantessr
Okay if there is such a thing as a gravity gun I learned something today . Of course I have been out of the paint and body business since 1985 so I probably should have kept my mouth shut in the first place . SORRY !
I'm certain you have knowledge we could all use. Throw it out there in some of our threads.
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  #28 (permalink)  
Old 10-07-2010, 01:00 PM
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Quote:
Originally Posted by cyclopsblown34
I'm certain you have knowledge we could all use. Throw it out there in some of our threads.
Thanks for the vote of confidence . I am just going to make sure that it is things that I am more up to date on from now on. I am certainly not on here to see how many posts I can make . I really just like to help people . I have actually had the answer somebody needed once or twice .
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  #29 (permalink)  
Old 10-07-2010, 02:54 PM
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HF Purple Gun Cup

The purple gun has a well designed cup. The vent hole is big and the cap threads on. A plugged up vent hole causes problems with gun operation.
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  #30 (permalink)  
Old 10-07-2010, 02:58 PM
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Big Cup

Poor design. Junk. The cap has threads and the cup does not. Solvents cause the cap to fit loose. If you are painting a car and the cap comes loose it will ruin your day.
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