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Thatmas

Flight Sergeant
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Posts: 322
Reply with quote  #1 
As this group build suits for my next build I think this could be suitable for build diary. After Airfix BAC Lightning F.3 has been in my stash quite some time and I thought I newer build that Airfix came with new Lightning F.2A. Now I have no pressure to make old one anything fancy just to try out some techniques. The new one will be done out of the box. Let see if I got something ready before this group build ends.

[Airfix_Lightning_Boxes]
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lars

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Reply with quote  #2 
Looking fwd!
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Lars
________________________________
Current builds:

Revell 1/48 A-10A
Kinetic 1/72 F-16I Sufa-Done
Revell 1/72 NH90TTH-Done
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Thatmas

Flight Sergeant
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Posts: 322
Reply with quote  #3 
Plastics from both boxes:

[Airfix_BAC_Lightning_parts-800] 
 BAC Lightnig F.3 (Airfix old) 

[Airfix_EE_Lightning_parts-800] 
EE Lightnig F.2A (Airfix new)

Some comparison:

[Compare_hull-800] 
Main frames from old/new.

[Front_wheel_compare-800] 
Front wheel with leg is perhaps the worst thing in new mold (note some flash in the new spruce)

[Main_Wheels_Compare-800] 
Main wheels from new/old. Some size difference.. among another things.

and finally:
[Ejection_Seats_Compare-800] 
Ejection seats (the new one is built from four parts..). The ejection seat is perhaps the worst thing in old mold especially when you consider that it is the only thing in the cockpit beside a pilot..

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srp71

Flight Lieutenant
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Posts: 959
Reply with quote  #4 
Great comparison shots of old and new. best of luck with the build.
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Best Wishes. Simon.(srp71)
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Thatmas

Flight Sergeant
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Posts: 322
Reply with quote  #5 
New Arfix F.2A has a little bit rough or matt surface all over. I really don't think that matters a lot in camo. But in metal finish it would show, I think. So I polished the undersides of the wings (for starters).
[Wings_start_point-800] 
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Thatmas

Flight Sergeant
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Posts: 322
Reply with quote  #6 
When searching scale plans for F.3 in order to scribe panel lines I partly accidentally checked the panel lines for F.2A and compared those to Airfixes panels. I'm not a rivet counter far from that, but some panels attracted my attention:

 
[side_profile-800]

 
[Wing_top-800]

I started with wing underside, some panels were added to make wing more interesting:

[wings_underside-800] 

The area in red in quite different in those panels, but the one that I found on Internet makes more sense to me.. perhaps I do panel line according to that in 'area of interest ' too. I couldn't find good pictures from top/bottom of the wings, most of walkarounds are about wheel bays etc, any ideas?




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TedUSA

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Air Commodore
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Posts: 9,499
Reply with quote  #7 
your build diary already has me waiting for the next installment. thanks!! very nice work. love the comparison pics of the two kits. excellent!
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Ted

pinterest pg. of scale models/dioramas:
http://www.pinterest.com/intrstinpintrst/awesome-scale-models/


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Thatmas

Flight Sergeant
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Posts: 322
Reply with quote  #8 
Here is something that I use for making new panel lines:
[Measurement_tool-800] 
First: measurement from scale drawings (or in this case from panel corner) and faint line drawn with same tool.

[Tools_with_Wing-800] 
After that: Dymo tape and Bare Metal Scriber. And a lot of sanding and scribing to remove the excess plastic.

[top_Wing_template-800]
Some more complicated shapes needs a template. This one I made according to scale plans from Scale Aviation Modeller. It is taped with two sided tape to hold the place while scribing.
 

And here what I have done with this technique:
[hull_after_panels-800] 
Those are the corrections that I have done that bothered me. The panel line in wrong place doesn't bother me and it would me very hard to fade away without destroying ambient details. The forward fuselage panels seems adequate to me, I could have added few panel lines, but there will be decals in that area what attracts attention so I don't bother to scribe anything there.

[Wing_panel_corrections-800] 
There is new and removed panels from top and bottom of the wing. I removed panels with super glue and sandpaper. You could add many more panel lines, but this is adequate to please my eyes.

Next I have to do all this for another wing and fuselage side..
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Thatmas

Flight Sergeant
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Posts: 322
Reply with quote  #9 
Now all panels are ready:
[All_panels_scribed-800] 
I also added two styrene layers so that I can make turbine exhaust deeper. Other exhaust/intakes I leave as they are.
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lars

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Junior Technician
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Posts: 115
Reply with quote  #10 
That scribing... It would drive me crazy, anyway good job!
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Lars
________________________________
Current builds:

Revell 1/48 A-10A
Kinetic 1/72 F-16I Sufa-Done
Revell 1/72 NH90TTH-Done
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Thatmas

Flight Sergeant
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Posts: 322
Reply with quote  #11 
The BAC Lightning (old Airfix) is not forgotten. First the air brakes are glued and seams are filled. There are some sink marks also and they are filled with MrSurfacer 500. The next thing is to check if I have to fill those intakes from fuselalage.

[Thinnging-800] 
I thinned the fuselage so that the doors are as close as possible to the surface of the body.

[Inside_fuselage-800] 
Then I glued two styrene strips to the thinned fuselage inside. It looked ok from the outside, so those can be open and no filling is needed.


The new panels for EE Lightning (new Airfix) were starters.. The old Lightning needs all panels to be scribed from scratch. After about six hours of tracing and scribing panels and marked those with felt pen so that I could see if they are enough and evenly: 

[Panels_in_place-800]

I have to tidy up (sand and scribe quite a few times) those panels, but they are all in place! This can drive me crazy, at least I have to do something else before I can return to this one..

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Thatmas

Flight Sergeant
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Posts: 322
Reply with quote  #12 
You might wonder why I scribe this kit, but the raised panel lines are inconsistent and the dry fit (and the fit of the air brakes) is so poor that it is better to scribe the model when the parts are not glued together. Lightning suites quite nicely for scribing exercise because airframe is quite flat from the sides and curvature is only in bottom of the plane because there is nice spine in the top of the plane.

I haven’t scribe a whole airplane before so that there are no good/acceptable raised panels to support scribing and guide the vertical/horizontal to be in level (and this is second that I scribe altogether). This is quite hard work and the progress seems to be very slow considering the work that has been done. Because of this I decided to try out some new techniques to speed up this laborious work. I have read somewhere that liquid (Tamiya extra thin) glue can be poured to the panels after scribing. So this is one test. The other came from notion that cellulose thinner attacks styrene plastic quite nicely, and this is much thinner than the glue so that it could run the panel lines even better.

I tested those on vertical fin which seems to have nice raised panel lines that support scribing tool very well. In fact there seems to be much more detail in old fin than the new one.

[Panel_test_rudder-800] 
The results are here: Tamiya glue made quite a mess and it melted scribed panel line nonexistent. Perhaps I used too much glue, but with the brush that comes with the glue you can’t do anything too fine. Cellulose thinner worked better and it melted excess plastic quite nicely, but it still needed quite much scribing and sanding before it can be used and lines became little soft. Result: no help from these techniques.
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Thatmas

Flight Sergeant
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Posts: 322
Reply with quote  #13 
The wings of the BAC Lightning are next in line, because I need some rest from scribing. I knew that fit wouldn't be so great, but the landing gear doors were so bad that I decided to do those myself.

[Wings_glued_together_text-800] 
Lower wing has the original landing gear doors. What is not seen is that hey doesn't lay flat and the corners are horribly soft and round (they are not glued, they are just there to show the fit). The gear doors are glued to the wing but they went little too deep, so some filler is needed.
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TedUSA

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Air Commodore
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Posts: 9,499
Reply with quote  #14 
excellent detail work and I had a similar quandary with my current build [F-16] which had raised panel lines and detail. thank you for the pictures and the explanations of what you are doing. best wishes as you continue!we are watching with great interest.
__________________
Ted

pinterest pg. of scale models/dioramas:
http://www.pinterest.com/intrstinpintrst/awesome-scale-models/


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Thatmas

Flight Sergeant
Registered:
Posts: 322
Reply with quote  #15 
Now both wings have new landing gear doors and they are filled. Some new filler is added and not yet sanded down in lower wing:
[Wings_filled-800] 
Next I have to study where the panels are in the wings.
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