Drywall texturing gun question....

Although I have not used drywall texturing guns for several years, I do remember them having interchangeable nozzles and also an orifice plate which you could dial to change the size of the orifice.
Well, now a lot of the guns that I see no longer have the orifice plate. In fact a somewhat inexpensive one that I just purchased does not have one. I do think that I can get the pattern I want just by changing the consistency of the mud, the air pressure, and the nozzle size but the various orifices were just one more adjustment that I had available.
What has changed over the years that the orifice plate is no longer needed?
Don
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Donald Gares wrote:

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Donald Gares wrote:

http://www.harborfreightusa.com/Displayitem_retail.taf?itemnumber $71
it has different nozzles, the one i bought from them 2-3 yrs. ago had a plate on the face with different size holes to do the same thing that different nozzles would do.... i paid $29.00 for mine... home depot had them for $79 and they seemed better, but i did not need better, as i dont use it for a living and can handle any problems that it might give the average user... and all the time in the world as i am now retired....
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I just purchased this one from Harbor Freight. All I want to do is touch up a few walls and ceilings that have given me problems. Any tips on the do's and don'ts. I told my wife to warm up the video camera when I do this for the chance to make a tape to send to America's funniest video's !!
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gntry wrote:

Touch up? That's way harder than doing a whole wall, since you need to get it to match.
Ok, you have mud mixture, air pressure, and nozzle size to consider. What are you trying to match? light knock down, heavy knock down, pebbly, etc? There is no way you are going to go right up to the wall and start spraying and get it to match. So, get a bucket of mud and a 4x8 sheet of dry wall, stand the drywall up, and practice with various combinations. You can probably figure out a nozzle size fairly easily, but then you will probably find that it will take some time to find a consistency of the mud that will produce the spray you want. That will also vary with the air pressure. If you are doing a knock down, the amount of time you let it dry before knocking down with a flat will also make a large difference. After each change that you make, scrape off the used mud and throw it away. Expect to get really mucky and to play with combinations for a while before you get somewhere close to what you want. Then you might vary one of the other parameters like nozzle size to see what that does. Sounds like a lot of work, but once you get there, just write down, nozzle size, air pressure, and mud consistency and you will be able to repeat it.
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Donald Gares wrote:

Can't answer that question but eh expensive guns are of teh new type. Lowes or HD still has those in the cheaper guns with orfice plate and nozzles. My Harbor Freight gun is that type with 5 orfice sizes and 3 nozzle sizes but they converted to the different type about 1 year ago.
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