Corey Holtzinger
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[quote=”ARTSPRAY” post=28899]not that i bother much with Sata guns anymore but from what i gather the 4000 RP hasnt been recieved that well and most folk i talk to prefer the older 3000 RP model ,even my rep admited as much after being pushed but he has to sell what he has to sell 😉
as for RP guns useing more paint than HVLP it actualy depends on the paint as the reverse can be true ,higher viscosity material ie clearcoat requires more velocity to get it to the panel ,RP guns provide the added momentum to enable this , with a HVLP heavier less atomised materials can drop out of flight and not actualy transfer to the panel ,with lighter materials HVLP wins as there is less bounce back and it will also achive better atomisation than it would with higher viscosity material so it is simply not all about the finish quality when it comes to RP guns ,for clear and HS materials they actulaly save more paint than HVLP when it comes to spraying the material they where designed to spray
heres an example of just how efective higher pressure is when it comes to transfer rates and finish quality ,the latest Devilbiss JGA Pro conventional HIGH PRESSURE guns which are concidered thier finest refinishing guns [sadly not legal in a bodyshop] actualy have transfer rates of 63% ,to be compliant requires only 65%
claimed transfer rates can be very deceptive and that is how HVLP is often mis sold or mis understood ,conventional spray equipment in the hands of an experianced sprayer is not actualy the vilian it has been made out to be and from a painters point of view i would rather sacrifice a little more paint to the booth than have to sand off even more material to correct orange peel
RP overall is a good compromise if you have to choose only one gun ,for basecoats then yes definatly HVLP all the way
BTW if you want guns that will imho outperform Sata at half the price look no further than Walcom guns my old FX HA was one of the finest clearcoating guns i have ever used ,i sold my sata RP within a week of buying the Walcom ;-),currently i am useing an Optima 900i by Bersch and Fratscher ,simply sureal and agian imho superior to any Sata model i have ver used[/quote]
that is pretty much the explanation i was looking for. being the only painter at my shop, there is no one to discuss things like this with. nor can i compare different guns. i can not justify buying a gun without trying one first. so i will take your recommendation and also try to demo a walcom and see which i prefer.
[quote=”ding” post=28891][quote=”cbhvr6″ post=28890][quote=”smooth” post=28885]The 4000 RP is the most loved one around here. Its a little on the slow side but will lay the smoothest finish.[/quote]
slow compared to what? i thought satas site calls it super speed?[/quote]
Slower than the previous versions of the RP.[/quote]good to know. thank you
my jobber has a 3000 rp that i’m going to demo. wanted a 4000 but he didn’t have one available. if i like it i’ll just buy that one.
thank you all for the info
[quote=”smooth” post=28885]The 4000 RP is the most loved one around here. Its a little on the slow side but will lay the smoothest finish.[/quote]
slow compared to what? i thought satas site calls it super speed?
The difference in general but if I decide to get one it will be the 4000.
Are there any major differences in the new 4000 rp over previous ones?[quote=”smooth” post=28830]Welcome, I Use Nexa (PPG) waterborne at my shop too.[/quote]
Thanks, what’s the difference between nexa and the envirobase I spray?
thanks rikka, i certainly will. i am learning new stuff everyday.
and anything i can help with i will
Hello :cheers
sorry i don’t have helpful input but you are correct, they are 400ish list price a side and the clips are not sold seperate. the last one i did, i painted both quarters and replaced both mouldings.
We are full service, so there are 3 bodymen and 6 mechanics