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Old Oct 04, 2001, 04:47 PM
Super Senior Member
Albuquerque, NM
Joined Feb 2000
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Recessed panel lines?

I am planning to glass my latest project with parson's .58 ounce cloth and epoxy, using sandable primer to fill the weave. I have used this method on four previous planes, but would like to kick it up a notch now

I want to build in recessed panel lines on the glassed surface. Anyone know how to do this or done this before? I think its possible and should be easy (famous last words) but would appreciate input from others.

Thanks
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Old Oct 04, 2001, 05:23 PM
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When you have the surface finish close to being as smooth as you want it then you lay out the panel lines with very narrow striping tape. Then spray on the final primer coats over everything. Peel the tape off before the primer has hardened too much. This will leave recessed line the thickness of the primer. When you spray the final color on over it the lines will still show through.
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Old Oct 04, 2001, 05:58 PM
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Albuquerque, NM
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I had thought of that method, but the problem becomes weight. I use the primer to fill in the weak (and I go on pretty thick too), because I then sand nearly all of it off. I am concerned if I do it that way that I would have to put additional primer on after I get the first primer stage down (the one that just fills the weave) which would then add additional weight.

I am also mulling over scribing into a thin primer layer the lines and then painting...but again I want to make sure I dont have too much weight. Heck, maybe I should just draw them on with a black pen like my other planes.

Thanks!
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Old Oct 05, 2001, 07:04 AM
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Silver Lake, Ks USA
Joined Dec 2000
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Panel lines

I want to try the drafting tape idea on my next project. As I understand it you put the tape in place and primer as mentioned, but then sand most of the primer back off again...then remove the tape. This is supposed to leave a small "ramped" up edge to simulate the panel line. One color coat and it is finished.
Randy
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Old Oct 05, 2001, 11:33 AM
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Joined Apr 2001
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I've used the drafting tape trick, and it does indeed work well. If you're concerned about the extra weight, there are a few variations you can try. When it's ready for final colors, you can lay down the lines and spray over them with an airbrush, so that you're only building up the thickness of the paint where you need it. Conversely, if you're doing a simple paint scheme, you could lay the lines, paint the finish coat, peel the tape, and then dust the lines lightly with the airbrush.

Another trick that I tried once was using sandpaper. I folded a sheet of 600 grit over on itself so I had a sharp edge and basically used it to scribe the lines over the finished paint job. I laid down strips of low tack masking tape as a guide to keep the lines straight. Later, I went back over some areas with a wash of brownish-black and paint thinner, and the wash collected in the lines for a pretty cool effect.

~Phil
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Old Oct 06, 2001, 10:34 PM
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Folsom,Ca,USA
Joined Apr 2001
992 Posts
Hi,
I've done it ( but on warship models )
I used Monokote trim strip material, but to very thin widths with the aid of a steel ruler.

You can cut this stuff down to .020 - .030 and it still has enough strength to handle.

Add it after the final primer, when all is smooth and even. Spray a light coat of primer. When dry, block sand down to the tape and remove same.

The color coat paint will partially fill the sharp grooves and give fairly subtle lines.

It shouldn't add any appreciable weight, just a thin coat of primer will do. Too thick, and the lines will be grossly over done. Like inch wide gaps on the real thing.

Most people overdo the lines. Look at some and picture how big they would be on the real plane.
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Old Oct 07, 2001, 12:11 PM
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Canada
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IF it's for your semi scale me262.. they didn't have panel lines.
All panels were sealed,puttied,sanded and at the begining even painted.
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Old Oct 07, 2001, 12:39 PM
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United States, NV, Reno
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I use this method extensively, but here is my own little twist.

1) I usually use it only on models where panel lines are more apparent for smaller models. On bigger models you can do most of the panel lines this way and it isn't usually overdone.

2) On electrics I just use the tape prior to the final paint, then peel away. This saves weight. Then you can colorwash like the post above - or mask and shade for a finished, weathered look. Don't over do it though.

3) A cleaner panel line may be desired for certain civilian models, on certain part of the plane. Here, when I pull the 1/64" chart tape off I let the paint dry. Then I sand the subject area down with wet n' dry 600 to get it ready for a final, light coat. Then the final coat is a thinned light one, where the panel line gets color too. This is a cleaner panel line that you only readily see about half the time, but it jumps out (shimmers) in certain angles and lights just like real airplanes.

Ed
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Old Oct 07, 2001, 07:18 PM
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Hastings, Hawkes Bay, New Zealand (Aotearoa)
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My Partner Ian used a technique by Chris Golds on his Hurricane pictured below. It just uses a fine black marker pen and then imagining where the sun is shining and drawing a parallel line in white pencil to create the appearance of shadow. Seems to work quite well, the model was then sprayed with a clear coat to seal the pencil marks.

<img src = "http://homepages.paradise.net.nz/netwide/hurricane/hurricane-sml.jpg" >
Click here for a larger version.
http://homepages.paradise.net.nz/net.../hurricane.jpg

Heather
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Last edited by Heather; Oct 07, 2001 at 07:20 PM.
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Old Oct 08, 2001, 11:13 AM
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United States, MI, Roseville
Joined Dec 2000
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If its a "Flat" finish like I used on mine(rustoleum), try using a silver drafting pencil, and a light mist of clear to make them smudgeproof.Works well, never lifts.Easy to fix abd line,just erase and draw again.
MArk
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Old Oct 09, 2001, 12:56 PM
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bronco's Avatar
milwaukee WI USA
Joined Jun 2000
159 Posts
i build a lot of plastic scale air planes and those kits that do not have recesed panel lines i like to scribe new ones with a needle chucked into a pin vice , works good on hard plastic but would most likely chip primer paint. i've also used a number 2 pencil with a sharp point to draw them on and also works good but then needs to be sealed with a clear coat.both look good in small scale models (1/48th) and would i think , look good on something larger.
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Old Oct 10, 2001, 01:41 PM
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Albuquerque, NM
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Silver tipped paint pen (fine tip) work great for simulating meatal showing through worn paint. I decided to give it a shot and got some really cool effects by putting a little bit of silver paint next to the panel lines. I will post a pic when its done.

Greg
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Old Oct 10, 2001, 01:45 PM
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United States, MI, Roseville
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Quickly....I'm having Slope nut project DT's!!!!
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Old Oct 10, 2001, 03:30 PM
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Albuquerque, NM
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Here is a shot of the plane from lastnight when I finished the top of the wing and nacelles. I still have to do the bottom of the wing and the fuse, which will probably happen in the next couple of days
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Old Oct 10, 2001, 03:32 PM
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Albuquerque, NM
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Another side shot (sorry for the quality of the pics, it was lastnight so the flash had to be used).
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