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Re: Help me Obi Wan, you`re my only hope...

Marten Richens » Sep 19 '15
I need some expert help here. I reached to point today of nearly hurling my airbrush out of the window because it kept clogging, which was ironic as the paint was too thin (I was using the Vallejo Model Air White primer straight out of the bottle and it was too watery) and is just a pain in the arse to use and clean. The airbrush came free with the compressor. 


My question is, if I fork out for an Iwata airbrush will I still suffer the same grief or should I just forget the idea of airbrushing and use Tamiya`s rattle cans? Or any other suggestions?
For the record I only use acrylics so suggesting any enamels will not be much help to me.

Marten Richens
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Re: Help me Obi Wan, you`re my only hope...

Brian Wilkinson » Sep 19 '15
Try the simple solutions first . Do you clean the tip regularly? Some paints dry very quick and can build up in the nozzle and on the needle. Give it a gentle wipe with a soft brush soaked in brush cleaner then clean water.
BTW I bought an Iwata after a cheaper brush and it`s streets ahead
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Re: Help me Obi Wan, you`re my only hope...

Alun » Sep 21 '15
Does sound like the tip might be blocked. Try doing a partial disassembly and soak the parts to remove anything that has built up. If the paint is already too thin but it`s still clogging then it`s probably build up in the nozzle or if it`s thin is it possible it has separated and you`ve got some lumps?
Alun
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Re: Help me Obi Wan, you`re my only hope...

Marten Richens » Sep 21 '15
Hi Guys


Thanks for the responses, unfortunately I spent 20 minutes disassembling and cleaning it before use and it still was shite. The nozzle is free of any detritus and the needle moves freely as well. 


The paint should also be fine, I gave it a very good shake and I have never had any issues with Vallejo Model Air before. This paint does have a very floral smell to it, however, which is odd for Vallejo paints, they generally don`t smell at all so I am wondering if someone has cut it to make it go further (not that I`m paranoid of course!).

Marten Richens
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Re: Help me Obi Wan, you`re my only hope...

Ellenbethsdad » Sep 22 '15
Never used the model air primer before but I do use their standard Vallejo primer and I`ve found it to be " dense" . I turn my pressure up to max then shake, shake, shake then shake the bottle some more before using it and it airbrushed ok with no clogging.

I use a Harder and Steinbeck, my experiences with cheap airbrushes were terrible, and if you got yours free with the compressor I`d be tempted to bin it and invest in a decent model.
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Re: Help me Obi Wan, you`re my only hope...

Marten Richens » Sep 22 '15
Thanks Pete, it`s definitely looking like that`s the way to go. I am looking at an Iwata Neo gravity feed (because I can`t afford anything more luxurious!) any thoughts?


Marten Richens
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Re: Help me Obi Wan, you`re my only hope...

Alun » Sep 24 '15
Just before you bin it do check that it does this with other paints as well as this primer. It`s possible that it could just be something to do with the paint rather than the airbrush.  


Also just to say, that if you are planning to use an airbrush to paint the Power Loader then to warn you that yellow is one of the hardest colours to get coverage with.  You`ll need a load of coats.  I`d honestly go with Halfords primer and get a can of an appropriate yellow.  Then use the airbrush to do the weathering. The Power Loader is basically yellow all over so this would be quicker and easier.


Just a thought anyway before you pay out for another airbrush.


When I was airbrushing I used a ~£20-30 cheapy one I got from Screwfix (a Badger copy I believe) and it worked just fine.  You just had to make sure it was kept clean which I did regularly with some specialist airbrush cleaner (it came in a can and you sprayed it through with a straw like you would for WD40) and that brought it up like new.  The junk that came out was really surprising when you thought it was clean anyway. Before that I had an expensive Aztek airbrush and I hated it.  Clogged every 5 minutes and I just couldn`t get it to work as I expected.  

Alun
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Re: Help me Obi Wan, you`re my only hope...

Anthony Hughes » Sep 24 '15

I`ve had a badger 150 and Iwata Eclipse for years and still have a real fight every time I use either... constant blocking, constant disassembly, constant cleaning... I`m very bad at cleaning after use, so it`s always sticking at the start of the next session, and I`m always leaving the mix too thick... at the end of the day, I don`t think it`s the hardware.


As for the PL, Halfords yellow filler primer would probably be a good undercoat. I think I just did mine Humbrol enamel yellow right over the plastic, then shaded all the nooks & crannies with black pastel

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Re: Help me Obi Wan, you`re my only hope...

Marten Richens » Sep 25 '15
Well this certainly puts a new light on the situation, thanks for letting me know before I drop £160 + on a new airbrush and compressor. I am going to get some Vallejo airbrush cleaner and try again... 
Marten Richens
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Re: Help me Obi Wan, you`re my only hope...

Alun » Sep 25 '15
Often it`s just experience and although good equipment will help you get it right, you still need to be familiar with your kit otherwise an expensive airbrush will be just as bad as a cheap one.


Is the one you have a single or double action?  Single are easier to get familiar with and double are definitely harder to learn.

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