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Question on pre-shading Hellcat F6F-3

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  • Member since
    August 2012
  • From: Parker City, IN.
Posted by Rambo on Sunday, December 17, 2017 8:56 AM

Phil1947

   Other than that, and what I still would like to know is if I should first give the entire plane a coat of black primer if I choose to use the black basing method (which I’m strongly leaning towards), or if I can simply give it a coat of flat black paint? Sorry if I’m posting this question(s) in the wrong forum as I just recently noticed that there is a forum dedicated to Paint and airbrushing so I’m not at all sure if I should be posting my question about black basing/pre-shading there?
 
Once again, thanks for all of your input and patience with all of my questions. ;)
 
 

If you are wanting to do the entire model in black then you can go either way prime in black or spray black over the primer it's up to you. If it was me I would just prime in black and cut out a entire step. If you go the way of painting the entire model black instead of say only the panel lines then you want to work each panel. start by painting in the middle of panels more heavily and fading out towards the panel lines. If you have some back issues of finescale then the april 2012 issue Aaron Skinner does this step by step on a Challenger 2. (I keep a spreadsheet program where I list stuff from finescale and other model mags that I can then cross reference to later)

Clint

  • Member since
    February 2012
  • From: Olmsted Township, Ohio
Posted by lawdog114 on Saturday, December 16, 2017 10:30 PM
I use XF-1 flat black for all my pre-shading, including under white. It just takes more passes to get the effect you need. Also, I always add a touch of XF-19 to the XF-2 to tone down the brightness. The preshading will show up under the sea blue if you use black. It did on my Hellcats.

 "Can you fly this plane and land it?...Surely you can't be serious....I am serious, and don't call me Shirley"

 

 

 

 

  • Member since
    December 2017
  • From: Chicago, Illinois
Posted by Phil1947 on Saturday, December 16, 2017 7:46 PM

Yes, I've read a few times that Vallejo paint should not be thinned with alcohol/distillates, but I thought that the references were referring to using it straight as a thinner. The home brew thinner recipe that I’ve used with Vallejo paint, and also with Master Model and Tamiya paints are from Bobby Waldron of Genessis Models and it seems as though he uses this recipe almost exclusively with Vallejo paints!
 
However, I’m always open to suggestions from those with more experience than I and I think that I’ll experiment with some Vallejo Model Air on a sheet of Styrene thinned down with nothing more than distilled water and a drop or two of Flow Improver and Fluid Retarder to see what shakes and if it alleviates the issue with paint drying on the needle so fast when trying to spray thin lines with a 50/50  mix. I have a bottle of Vallejo Thinner that I used with the Vallejo Grey Primer and it seems to have a very distinct odor of some type of alcohol/distillate, but I might very well be wrong.
 
Other than that, and what I still would like to know is if I should first give the entire plane a coat of black primer if I choose to use the black basing method (which I’m strongly leaning towards), or if I can simply give it a coat of flat black paint? Sorry if I’m posting this question(s) in the wrong forum as I just recently noticed that there is a forum dedicated to Paint and airbrushing so I’m not at all sure if I should be posting my question about black basing/pre-shading there?
 
Once again, thanks for all of your input and patience with all of my questions. ;)
 

~I started out with nothing, and still have most of it.~

  • Member since
    August 2012
  • From: Parker City, IN.
Posted by Rambo on Saturday, December 16, 2017 1:20 PM
Almost forgot, you can use IPA to thin Tamiya paint not sure about model master. I use to use IPA to thin Tamiya paint but now have stuck with their brand thinner and I like it alot better. Still use straight IPA to clean my airbrush out after spraying Tamiya paint. I've read before that IPA is to hot and keeps the paint from being able to bond to plastic.

Clint

  • Member since
    August 2012
  • From: Parker City, IN.
Posted by Rambo on Saturday, December 16, 2017 1:11 PM
Yes you can paint over acrylics with other brands of acrylics just not in say wash form where the thinner/paint ratio is like 90/10. I also think I know your airbrushing problem Vallejo has to be thinned with it's own thinner IPA will turn Vallejo paint into a gummed up mess.

Clint

  • Member since
    December 2017
  • From: Chicago, Illinois
Posted by Phil1947 on Saturday, December 16, 2017 12:42 PM

Thanks for all the input. The idea of painting the entire model in black, which I believe is called black basing, has crossed my mind as I'm not at all that steady with doing straight lines required for pre-sahding. Kind of like Don Knotts in "The Shakiest Gun in the West'!

If by chance I go that route and seeing that I already have the entire plane painted with Vallejo Grey Surface Primer could I simply give the entire plane a coat of flat black paint, or would I have to give it a coat of black surface primer? This also brings me to another question that has been on my mind. Seeing that Vallejo paints are water based acrylics is it safe to paint over them with either Model Master acryl, and or Tamiya acrylic paint as I believe (correct me if I'm wrong) that both are solvent based? For what it's worth I use the same home brewed thinner for all of these paints with what seems like good results so far. (2/3 distilled water, 1/3 IPA, Flow Improver and Fluid Retarder).

~I started out with nothing, and still have most of it.~

  • Member since
    April 2003
  • From: USA
Posted by keavdog on Saturday, December 16, 2017 1:06 AM

I've yet to try the pre-shading.  I've always done post oil washes, pastels and even post panel shading with tamiya smoke.  I do really like the mottling effect you have show in the pics though and may give that a try. 

But like the others said - do what you enjoy, its a hobby!

Thanks,

John

  • Member since
    January 2009
  • From: hamburg michigan
Posted by fermis on Friday, December 15, 2017 11:30 PM

Ditto I agree with Mr.B on the white. I add a little bit of grey and/or tan, just to take away some of the "starkness". I also never go with straight black (add a touch of white to it).

Anyway, to throw another method pre-shading your way...

I spray the whole model in black/very dark grey, then "marble" it with white...leaving the panel lines dark. I find this far less tedious than trying to keep a decent line on just the panel lines. It is far more time consuming though....and having shaky hands actually helps a bit!

For color coats, I thin the paint down about 50/50 (I am using enamels....zero experience with acrylics)...spray in thin layers, to slowly build up the paint. This will give you a blotchy, weathered looking finish.

Other colors hav been added already, but you can see a bit of the "blotchiness" on the large panel, just in front of the first round window.

It shows better to the eye...doesn't really show too well in pics.

Here's another example of the effect...

 

Regardless of what method you choose, I'd recommend that if you're going to preshade the bottom...presade the whole thing. Even with the darker blue on top...if it's thinned decently, you'll still be able to see the preshade...unless you spray too much.

Welcome....enjoy!Toast

  • Member since
    January 2015
  • From: Tumwater, WA.
Posted by M. Brindos on Friday, December 15, 2017 8:33 PM

First, you are not required to pre- or post- shade anything lol. But it's easier than it looks.

Well, once you get a consistent paint flow, which is not a consistent problem from one color to another in my experience. Tamiya is reliable though.

Now to answer your question lol. I've given this question a lot of thought for my own builds and I suspect I will start from a neutral grey and work my way slowly to a very light grey, but not pure white. That should add a slight shadow effect as if naturally lighted.

I read once that in scale modeling you should shy away from using pure white and so far I have found this advice to be solid. Pure white in small scales looks too white. Hard to explain until you see it I guess.

Just remember that you're building for your own pleasure and no one else's. This is supposed to be fun and relaxing. You don't have to do stuff you don't like nor wish to do. That kinda sucks the fun out of it lol.

- Mike Brindos "Lost Boy"

  • Member since
    December 2017
  • From: Chicago, Illinois
Question on pre-shading Hellcat F6F-3
Posted by Phil1947 on Friday, December 15, 2017 8:05 PM

Excuse me for the long post, but I popped in this question at the end of my introduction at the end of my post on the ‘Welcome-Introduce Yourself’ forum which, more likely than not, was a poor choice to in asking a technical question. Quickly: I’m retired and 70 years old and I’ve decided to get myself occupied with doing some scale modeling. I’ve done some dabbling with plastic models when I was much younger, but it’s obviously a whole new ball game now. Anyway, I’m currently working on my first one which is an Eduard 1:48 Hellcat F6F-3 and I’ve arrived at the point where I need to do some pre-shading (which I’ve never done before, and not looking forward to)! I started on this plane back in October as I’m going slowly and considering this as a learning project, but at the same time I don’t wish to screw it all up at this point in time and stage of progress.
 
Now to the point of my question (for now) is this: Seeing that the under belly of the Hellcat is white should I stay with black pre-shading on the panel lines, or perhaps use a dark grey? I’m not at all too concerned with doing any pre-shading on the top as it’s a Navy Blue, which is very dark, and any pre-shading would not show through anyway. I’ve done some testing with some very thinned Vallejo Air (black) on a sheet of Styrene that I’ve had for years for other projects, but the Vallejo Air when thinned and used for thin lines drove me crazy what with the constant clogging and drying of the needle and having to constantly wipe the needle tip off and a blast off paint to get it going again every 3 seconds no matter how I upped or lowered the PSI. I then switched to some thinned Tamiya paint - 50/50 (with the same thinner @ 15 PSI) and it worked like a charm. Granted, I still had to occasionally give a blast of paint and wipe the needle tip about every 15-20 seconds, but not every 3 seconds with the Vallejo! But, that’s a whole other subject for another time. Bottom line…. black or a dark grey for pre-shading the panel lines for this model, and of course I’m more than open to any and all other suggestions/alternatives you may have.
 
Thanks for your anticipated help,
Phil

~I started out with nothing, and still have most of it.~

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