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  #31 (permalink)  
Old 10-07-2010, 03:02 PM
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Aluminum Cup

Threaded cap and cup. Small vent hole.
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  #32 (permalink)  
Old 10-07-2010, 03:05 PM
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Quote:
Originally Posted by V8&4spd
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.
I agree. I didn't clean my vent hole well after spraying sealer and the paint stopped flowing when I went to shoot color. I cleaned the gun three times before I figured out it was the vent hole.
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  #33 (permalink)  
Old 10-07-2010, 03:18 PM
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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 was just kidding! I'm not one to talk!

So no one has every heard of the H881W gun then eh? I'm debating if I should spray with the Purple gun, or that one. Haven't used the purple one, but the blue H881W seemed nice for my noobie hands.
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  #34 (permalink)  
Old 10-07-2010, 03:31 PM
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Poor Cup Design

I borrowed a friends Sata that had the metal cup with plastic lid. He told me before I use it soak the lid in solvent overnight so it will swell and fit tight. He was right - if you try to use it without soaking it it would fall right out.
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  #35 (permalink)  
Old 10-08-2010, 02:08 PM
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Hey guys,
I've got a HF "hvlp" purple gun , and I've got a few questions.

1) why 2 different guns, one for primer and one for paint? Is'nt cleaning it up good enough?

2) any one use this one with a 2.0 tip to shoot the spray something like featherfill? http://www.harborfreight.com/househo...gun-92841.html


Thom
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  #36 (permalink)  
Old 10-08-2010, 03:17 PM
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Quote:
Originally Posted by Thommyknocker
Hey guys,
I've got a HF "hvlp" purple gun , and I've got a few questions.

1) why 2 different guns, one for primer and one for paint? Is'nt cleaning it up good enough?

2) any one use this one with a 2.0 tip to shoot the spray something like featherfill? http://www.harborfreight.com/househo...gun-92841.html


Thom
I used my HF purple gun with the 1.4 tip to shoot everything because it fell within the spec sheets. I larger tip like 1.8 would've been better for high build primer. I really had to reduce it down so it sprayed well. Other wise you got only half the pattern you normally would have with base and clear.
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  #37 (permalink)  
Old 10-08-2010, 03:53 PM
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Quote:
Originally Posted by Thommyknocker
Hey guys,
I've got a HF "hvlp" purple gun , and I've got a few questions.

1) why 2 different guns, one for primer and one for paint? Is'nt cleaning it up good enough?

2) any one use this one with a 2.0 tip to shoot the spray something like featherfill? http://www.harborfreight.com/househo...gun-92841.html


Thom
They call it a low volume low pressure gun , but say it requires 40 to 75 psi to operate and is recommended for spraying latex housepaint . It is just a cheap siphon gun and I personally wouldn't use it on anything automotive . Way back when (1985) I was in the bodyshop business I always used two paint guns because I never cleaned my primer gun . It was always loaded with laquer primer and I used to just loosen the air cap to blow everything out of the passages back into the cup (siphon) and wash the air cap with laquer thinner at the end of the day . I know things have changed , but if I was still in business I would still use a seperate gun for my finish coat because I wouldn't want to take the chance of some primer remnants left somewhere in the gun ruining my paint job . Primers generally dry (dried) faster than the finish coat and there could be a flake of dried primer left somewhere in the gun . Considering the price of HF guns ,, why not have two ?
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  #38 (permalink)  
Old 10-08-2010, 04:25 PM
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Adantessr hit the nail on the head. Primer also seems to gunk up the gun quicker even if you use lacquer thinner to clean it out. For the price of those HF guns why not use a fresh one for the paint.
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  #39 (permalink)  
Old 10-17-2010, 01:39 PM
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Just picked up a HF model H827W ? High volume-low pressure. I got it because everyone is talking about how good it is. And I will be shooting my car soon. Is this gun I got for 15.00 any good? should I just use it for primer ? Did I buy the wrong gun ? I am a beginner but have laid down some decent paint before but it was some time ago. Please enlighten me!
PS. I do have a nice finex gun as well.
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  #40 (permalink)  
Old 10-17-2010, 03:16 PM
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I have 2 HF guns. Both spray well. Was spraying ceramic coating 2 days ago and dropped HF air brush. When cleaning it I noticed nozzle protector was bent. I straightened it and it broke. Does not affect gun operation. I am glad it was only a $10 gun.
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  #41 (permalink)  
Old 10-18-2010, 08:31 AM
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I'd use it to spray a car. I'll get better with time, but it lays paint pretty well @ 45 psi.

I recorded my spraying sessions, well I forgot to record the first one.

Second coat of black.

http://www.youtube.com/watch?v=RHilV2q-AjQ


First coat of clear.

http://www.youtube.com/watch?v=wQTyLxWOZXg


Second coat of clear. My creeper tried to sabotage the paint on my deck lid. LOL. I laid the second coat of clear on wet so I will have some material to sand. Still doing the flow coat idea.

http://www.youtube.com/watch?v=lc_E-Yhe6XY


Here are the results.

http://www.youtube.com/watch?v=9yJwi8sXkvY


I should have the hood and deck lid sanded before the end of the week. Maybe I'll get it done before the weekend so I'll have time to work on the fenders some more. I'll post the results.
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  #42 (permalink)  
Old 10-18-2010, 09:32 AM
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Quote:
Originally Posted by V8 Super Beetle
I'd use it to spray a car. I'll get better with time, but it lays paint pretty well @ 45 psi.

I recorded my spraying sessions, well I forgot to record the first one.

Second coat of black.

http://www.youtube.com/watch?v=RHilV2q-AjQ


First coat of clear.

http://www.youtube.com/watch?v=wQTyLxWOZXg


Second coat of clear. My creeper tried to sabotage the paint on my deck lid. LOL. I laid the second coat of clear on wet so I will have some material to sand. Still doing the flow coat idea.

http://www.youtube.com/watch?v=lc_E-Yhe6XY


Here are the results.

http://www.youtube.com/watch?v=9yJwi8sXkvY


I should have the hood and deck lid sanded before the end of the week. Maybe I'll get it done before the weekend so I'll have time to work on the fenders some more. I'll post the results.
Nice videos.

Gotta watch out for those sneaky creepers.

I like to run two used (cheap) nebulizers with clear tubing from clean air into my mask.

If I were spraying that hood I would start in the cramped area on hood side edge and maintain a positive wet on wet spray pattern. Looks like you sprayed quick enough that paint didn't flash too much before returning to hood center. I like to give the edges a bit more spray. I sometimes spray horizontal one coat and vertical next coat in attempt to have more even film.

You have a nice setup and looks like you did a good job.

Hope to see more pics in da future.
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  #43 (permalink)  
Old 10-18-2010, 09:38 AM
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Quote:
Originally Posted by 001mustang
Nice videos.

Gotta watch out for those sneaky creepers.

I like to run two used (cheap) nebulizers with clear tubing from clean air into my mask.

If I were spraying that hood I would start in the cramped area on hood side edge and maintain a positive wet on wet spray pattern. Looks like you sprayed quick enough that paint didn't flash too much before returning to hood center. I like to give the edges a bit more spray. I sometimes spray horizontal one coat and vertical next coat in attempt to have more even film.

You have a nice setup and looks like you did a good job.

Hope to see more pics in da future.
Thanks! I'll give that a try for the final coat of clear.
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  #44 (permalink)  
Old 10-18-2010, 10:19 AM
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I would wet sand all the dust nibs out before last coat of clear; follow mfg instructions.

Your CC looks good w/o color sanding on the vid.

With any luck you won't have to spend much effort color sanding/buffing final coat unless you need it absolutely flat.

Will be fine the way you are planning also.
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  #45 (permalink)  
Old 10-18-2010, 01:47 PM
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Quote:
Originally Posted by 001mustang
I would wet sand all the dust nibs out before last coat of clear; follow mfg instructions.

Your CC looks good w/o color sanding on the vid.

With any luck you won't have to spend much effort color sanding/buffing final coat unless you need it absolutely flat.

Will be fine the way you are planning also.
I'm going to wet sand out the nibs with 600 grit and apply another wet coat. It should look pretty good without any wet sanding. Hopefully.
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