1/32 USAF F-100D More modifications.

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Re: 1/32 USAF F-100D More modifications.

Postby ericg » Sun Jan 19, 2020 11:05 am

Cheers guys.

Some more work.

I think the model sits a little flat and needs the characteristic tail heavy look. I read on another build somewhere that they took 3mm off the top of the main gear legs. I decided to go with 2mm to begin with, and take it from the middle of each leg so that the geometry of the extension link and gear doors stayed the same. For this mod, I am using the plastic gear legs as they are very sturdy, although my process will actually add a bit more strength to them.

I started by drilling a hole all the way down the leg, from the top.

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i used my vernier calliper to measure 2mm, and pressed the sharp edge at intervals around the circumference of the leg to give me a guide.

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The brass rod has been inserted after I cut the 2mm section out and has been positioned for reference. By pre drilling the hole before the cut, the alignment has been pre set. I removed the cut section and refitted the leg together after this pic was taken.

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I made up some masks using my mask cutter for the tail numbers and letters and the National insignias.

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‘197 is alive again. The sit of the model is now a little more tail heavy which I may drop a little more once I have all the stuff hanging off the bottom of the aircraft sorted out.

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Some more weathering effects have been added such as the wing roots and the panel behind the cockpit. This was done with a very thin mix of Tamiya Zinc chromate paint.

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Further work on the back end. The VZ has been sanded down whilst the 197 has not yet been touched. As can be seen, the back end is really starting to come to life.

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Re: 1/32 USAF F-100D More modifications.

Postby ericg » Sun Jan 26, 2020 7:23 am

Thanks for the comments guys.

some more work.

I asked Ron about the configuration of the ordnance. Some photos show Napalm on the outer pylons, some show them on the inners. Likewise for the bombs. Here is what he had to say.

‘One of the photos shows a typical load, (and the one used on the mission we have spoken about) with 2 Mk82 high drag bombs on the outboard stations, and 2 Napalm cans on the inboard stations.  Second photo shows me just before a combat mission in late 1968.  Third photo is unusual.  In late 1968 our squadron (615th TFS) was made experimental.  We were to try out what was called Triple Ejector Racks (TER).  Instead of a single weapon on the inboard pylons, this new rack could carry 3 bombs.  Couldn't carry 3 napalm cans because that would make the aircraft too heavy and the cans were to "fat" to fit on the racks.  Thought you might like to see this configuration.’

Here are the pics.

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And here is the excellent pic of Ron about to depart on a combat mission.

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As the bombs were to go on the outer pylons, my references showed that they were different to the kit pylons. There are protrusions each side of the pylon which form more beefed up sway braces, so these were scratch built from thick plastic card and sanded to shape. I then used brass rod and disks of plastic card to make up each individual brace. The bombs have had brass rod inserted into them to attach them very firmly to each pylon.

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Basic colours. I will weather and detail these a lot more than this.

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Many of my period reference pics of combat jets show them with numerous lift point symbols. These decals were not present in both the kit or the aftermarket Cam Pro stencil data sheet. I made up a mask with my mask cutter and sprayed them on.

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Forward fuselage. There is one on the rear of the canopy as well.

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Rear fuselage. I was able to find a pic with two lift point symbols on the horizontal stabilisers but was unable to find anything for the wings, if they were there. Any help would be appreciated.

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How the model sits on my workbench. Still lots to do but certainly getting there. Noticeable is the armament panel decal, once again not in either decal sheets. I found one in the AoA set for the Cessna O-2.

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Re: 1/32 USAF F-100D More modifications.

Postby ericg » Mon Feb 03, 2020 8:48 am

Some more pics from Ron

His explanation for the first one is as below.

`Carrying 2 napalm cans inboard WAS used operationally, but as I pointed out, it made the a/c very heavy and sluggish.  Most often we carried MK82 500 pound bombs on the inboard TERs.  I can recall a few times when the runway temperature was critical in whether or not they would let us takeoff with such a heavy load.  We sometimes sat idling for 15 -20 minutes waiting for a one degree drop in the temperature so we could roll - and then, who knew if we had enough runway or not?  If the afterburner blew out, it would have been all over.  As you know, it was rather hot and humid in Vietnam.'

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Some more work. I asked Ron if he had his name on the side of the aircraft. He told me over a couple of emails the following: 

The color schemes varied.  Sometimes dark olive background with white letters.  Other times, blue background and white letters.  In my memory, I believe that 197 had the solid dark olive background with white letters.  The name was as follows:  CAPT RON SWANSON.  That would have been placed just below the front windscreen on the fuselage.

It didn't have pilot on it, although some did.  With regard to the issue of the name plate being on both sides of the a/c, more often the name of the crew chief appeared on the right side of the cockpit.  As I recall, there was no name plate on the right side of the cockpit of 197.

After a bit of research, I settled on my best guess as to what this would have looked like. There were many different variations on the name plate, both in position and size, as well as text. I had to balance these items with the limits of my mask cutter. After many attempts, this is what I came up with.

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The model is really starting to come together. Enjoying this build alot.

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Re: 1/32 USAF F-100D More modifications.

Postby enfield38 » Mon Feb 03, 2020 6:43 pm

That's looking brilliant Eric. If you don't mind me asking, I've used Oramask 810 twice now on some armour builds. In both cases, I applied the masks to matt paint - one in Tamiya acrylic and one in Vallejo acrylic. In both cases there was a sheen of glue residue when the masks were removed. No such occurrence with Tamiya Kibuki tape. Have you encountered this? Should I be clear coating before using the Oramask?
Cheers,
Rod C
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Re: 1/32 USAF F-100D More modifications.

Postby ericg » Tue Feb 11, 2020 1:40 pm

Hi Rod, sorry for the late reply. Not sure what is happening, maybe some of the adhesive in the masking material is slightly reacting to the surface of the Matt paint? should clean off with a cotton bud and water.

Some more work. I received the excellent Videoaviation BLU-27 unfinned Napalm bombs. 

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Parts:

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I chose to drill out the major parts to lighten the bombs a bit.

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I assembled the parts, no need to clean them, and assembled them with superglue. I used Tamiya extra fine primer, which adhered to the resin without any problems at all (must be good resin!). I then painted the bombs with SMS Camo Black.

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Painted using the black base method with a couple of different shades of Alclad, glossed with SMS clear gloss, and then decalled. These will look great as a contrast to the cam paint on the jet.

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Re: 1/32 USAF F-100D More modifications.

Postby enfield38 » Tue Feb 11, 2020 4:00 pm

Cheers Eric.
Cheers,
Rod C
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Re: 1/32 USAF F-100D More modifications.

Postby ericg » Wed Feb 12, 2020 8:44 pm

Some more work.

I added the Aires photo etch rivet detail to the inside front frame of the canopy, and used lead wire to simulate the round tubing which is attached to it.

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I really wanted to simulate the weld beads all over the tanks. I filled all engraved panel lines except for the major joins, and then taped up each bead.

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Using a paint brush, I dabbed Mr surfacer brown over each line.

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I repositioned the front filler caps onto the left side of each tank. A hole was drilled, then a circle scribed around each one, before a disk of plastic card was inserted into each one to depict the filler cap.

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The rear fins were modified from the kit ones by sanding them so they were much more swept back. I also added the rear filler caps using the same process as above.

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The two finished tanks. Much work has gone into these!

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Under a coat of paint, the welded seams look good.

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The front of each of the tank pylons should be curved inward. To accomplish this, I made a few small cuts.

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I used chipping fluid to apply a bit of weathering to the front of each tank. Still not sold on the idea. Visible in the pic is some modification happening to the inner pylons, with new sway braces.  Ore on that later.

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Where the jet sits at the moment. Lots to do but getting there.

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Re: 1/32 USAF F-100D More modifications.

Postby RAAFBrat » Thu Feb 13, 2020 5:40 pm

That's looking fab. And is that a shark I see sneaking up behind it? :D
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Re: 1/32 USAF F-100D More modifications.

Postby ericg » Thu Feb 13, 2020 9:39 pm

RAAFBrat wrote:That's looking fab. And is that a shark I see sneaking up behind it? :D


Thanks mate, yes, next one on the go.

Two things that I am not overly keen on doing with models are seat belts and brake lines. For some reason I find this stage of the build to be a bit of a pain! Needless to say, they both need to be done.

First up, the brake lines on the undercarriage. The kit has some reasonably nice lines already there but they are moulded integrally with the leg and are a little to 2D for my liking. I sanded them off.

I used .4mm lead wire and .4mm copper wire to depict the two lines that run up each leg. I used thin aluminium foil to replicate the brackets that hold each line in place. A very thin strip of it was passed behind the lines and then folded back up itself.

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I used the excellent RP Tools ring maker to fabricate some tie down rings.

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These replaced the kit tie down points which are just lumps of plastic as can be seen by the unmodified one on the left.

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Done.

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I hate using photo etch seatbelts, so I used the Aires photo etch and resin buckles and made my own belts from thin aluminium foil.

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The shoulder straps were next, I used a small section of copper wire at one end to allow me to roll the end over and form the attachment loop. as can be seen on the top strap.

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Looking at my reference pics, I noticed that on some of them, the pilots shoulder straps were hung over the side as can be seen in the following pics.

An excellent pic (not Ron) of a pilot about to go flying. His helmet is on the windshield and the shoulder straps are just visible, hung over the side.

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Another pic of a maintenance scene. Same deal with the shoulder straps.

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I thought that this would be a great feature to incorporate, it would really give the model a human touch. I got in touch with Ron and asked him about what the protocol was when the pilots were about to go on a sortie.

Here is his response:

Typically, when we went out to the aircraft for a mission, we would mount the ladder and deposit our parachute into the cockpit and place our helmet on the top of the front windscreen.  We would then dismount and conduct our preflight inspection of the aircraft.  Upon completion of the preflight, we would go up the ladder and get into the cockpit.  The crew chief would come up the ladder to help us strap in and it was typical for them to leave the straps hanging over the cockpit rail so that this would be easier to do.  So -- short answers to your questions are - helmets were placed on the front windscreen until we put them on, and the safety straps were left hanging over the canopy rail until the chief helped us put them on. The photos you sent were authentic.  Hope this helps you.  Ron

Based upon the pics, and Ron's great reply, I got to work and made it happen.

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I made a copy of the Aerobonus F-100 pilots head with helmet and carved out the head. This will be painted as per the pics that Ron supplied earlier in the thread with his name and checkers on it..... if I can paint them that small!

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The objective will be to draw the viewers eyes into the cockpit. Just need to work out the parachute pack.

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Re: 1/32 USAF F-100D More modifications.

Postby RAAFBrat » Fri Feb 14, 2020 1:17 pm

We really need a "like" button so I don't have to keep thinking up new ways to say "looks great". :D
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