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    • Mike

      Ongoing DDoS Attack causing Forum Slowness   26/04/17

      In case you have missed the announcement, the reason that the forum has been slow at times since the minor version update the other day is due to a Denial of Service attack, brute force attack on our email, and judging by the lag with our FTP response, that too.  If you're feeling like you're experiencing a glitch in the Matrix, you're not wrong.  This is the same MO as the attack in September 2016 that occurred when we transitioned to the new version 4 of the software.  We're currently working with US and UK cyber-crime departments, who specialise in this sort of thing, and we're hopeful that we'll be able to track them down this time by using the accumulated evidence already held.    We are pretty certain that it's a continuation of the same attack last year, only at a reduced intensity to deter people from using the site "because it's terribly slow", rather than taking it down completely, and we're also sure of the motivations of those responsible.  Spite.   Please bear with us in the interim, and wish us luck in dealing with these.... "people".

Dana Bell

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About Dana Bell

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  1. Hi Marvel, I can only guess about the RAF's use of that greenish Sky during WWII, but the earliest reported use of a pale green grey camouflage came from the Ministry of Munitions in September 1918. A multi-toned camouflage was tested on a Salamander and on a Pup: the sides and undersides were painted a "light green grey" comprising White, "Chrome," Brunswick Green, and Indian Red. The green grey also replaced the white in the upper wing insignia. Although the report mentions advantages in shadow reduction, all of the test observations were made from several thousand feet above. The advent of Sky doesn't seem to have a direct descent from the 1918 tests, but folks with a much better access to the British sources will certainly know a lot more than I. Cheers, Dana
  2. Hi Occa, I've seen those vertical demarcations in a number of photos, particularly on B-17s, but I've never been able to confirm where they originated. Since many of the photos show aircraft fresh from the factory, my best guess has been that it has something to do with the arrangement of work stands. In modeling, we load up the airbrush, pick up the model in the other hand, and paint away. I suspect that on the real aircraft, one team was painting the nose, while another team worked from the wing aft - any differences in the paint used by each team could have produced such demarcations. It's just a theory, but it would be fun to replicate it on a model one day... Cheers, Dana
  3. Adding to what Antti explained for the F-5 and Synthetic Haze Paint, from the beginning the F-7 used the same Sky Base Blue and Flight Blue lacquers, but applied the paints in the same pattern as OD and Neutral Gray. When aerial camouflage was found to be less necessary, it was stripped in the field. Cheers, Dana
  4. HI Guys, I've never seen the term "Grumman Gray" in a contemporary document, though it's in common use in modeling circles. The color was simple the same Light Gray that had appeared on the original camouflage scheme being used up as a finish coat over the primers. That way there was no need to purchase two strocks of paint. While 36440 (Light Gull Gray) is the closest 595 color, Light Gray was darker and cooler. Cheers, Dana
  5. Hi Ed, That photo has been reproduced in a number of places, usually mentioning the odd blue paint on the aircraft. There is no blue paint on the aircraft. The original, now in the possession of the National Air and Space Museum, was stored in a damp basement. Mold was trapped inside the envelope, and stained the emulsion. If you look closely, you can see traces of the same blue "paint" in patches on the hardstand. The only way the captioners could have known this would have been to examine the original - otherwise it looks like a blue aircraft.... Cheers, Dana
  6. Hi Pip, Accepting that I'm more of a color historian than color scientist, I just took the two chips into the backyard at 6:00 pm on an overcast evening. In that poor light, the post-war chip was darker, stronger, and bluer. The 1944 chip was grayer and yellower. If I'm home on a bright, sunny day this week, I'll give this a better attempt. Cheers, Dana
  7. Hi Pip, I've got the correspondence about the changes, the 1944 cardboard chip, and the post-war metal chip, but I don't have any technical analyses of the colors. In short, while I've got proof that it happened, I don't have Munsell values that will lead you to accurate matches. Cheers, Dana
  8. Glossy Sea Blue (ANA 623) actually had a poor reputation with the Navy - the wartime color faded too rapidly, losing much of the blue hue. I'd recommend adding small amounts of a medium gray, but don't go too far if you're worried about scale effect. In 1947/48 BuAer responded to the many complaints by reformulating the paint and issuing a completely new standard color chip. BTW, Intermediate Blue underwent a similar change of formula during the war, though the color chip remained the same. In the original paint, the blue pigments often faded to leave only a pale pink. Cheers, Dana
  9. I can't claim to have seen Paul's SAM articles from last year, but Wasp was one of two carriers sent supplies of an experimental USN paint called Dark Blue, which was a supposed near match for Deck Blue stain. Half of Wasp's air group was supposedly painted in the new color. If the Spits matched the F4Fs, they could have all been using the new Dark Blue. That is just another possibility - and I'm not claiming that this happened with any certainty - but it's a strong "cudda-bin." Cheers, Dana
  10. Sorry - looks like I posted the photos (rather than the links) and somehow used up my message space. Anyhow, IF any of the 17th's aircraft were blue, they were probably the mixed blue in between. Flypaper, you're going back a long way to the old Flight Plan days. I remember all the Rapidographs and Zip-a-tone we used to prep our artwork, seeing my first ever word processor (it was gigantic, slow, and complicated!), and learning to love research at the archives in Ottawa and DC. Changed my life, those guys did, and I'm glad of it. The OD research continues, though the book is on hold. It's always good to wait a bit longer - last week I found a note that the Army's 3-1 Olive Drab standard seems to have changed in 1923-24. I still don't know what that was all about, but paint manufacturers were complaining that it wasn't fair to change the standard color after they had begun producing paint... Cheers, all! Dana
  11. Hi All, It takes a while to catch up with e-mails and postings - sorry to say, I'm still way behind. First, the Light Blues. Here's what I would consider a decent match for the Army 3-1 Light Blue 23 as applied by the (then) Air Force Museum: Next a decent match for the Air Corps post 1934 version of Light Blue 23 from Planes of Fame. They may have been trying to match the ANA Light Blue (True Blue), but the photo looks more like the Air Corps chip to my eye. (I know - you can't tell from a color photo....)
  12. Looking forward to this one - there are so few definitive English-language books on Japanese colors, and this one should end all sorts of confusion! Cheers, Dana
  13. Hi Barney, Graham's right about this - BuNos 57966 - 57983 never went to the FAA; they were the first 18 F4U-1Cs and were kept by the Navy/Marines. JT652 thru 669 were build under BuNos 57126 thru 57143; all were F4U-1Ds, The allotment lists changed several times during the war, depending on who had the greatest need at any given time. The site you visited probably worked from an earlier list - the final lists are very clear on which aircraft became Corsair IIs. Cheers, Dana
  14. Hi Brian and Mark, Sorry to be so vague about those 17 PG aircraft - I believe that all three squadrons used blue fuselages by early 1935, but I'm basing that only on a very risky interpretation of B&W photos - the three known photos of that lineup look like the aircraft could have all been the mixed blue. Since that doesn't really prove anything, I'll leave it to you to decide if you want to show all three models with blue fuselages. Shots of the underside numbers are hens teeth. I think most interpretations are based on what we see from the ground view walkarounds. Mark, those 1st Pursuit pix are great. The Blue we're seeing is almost certainly the darker Light Blue 23 from the Air Corps' porcelain enamel chips - certainly not the 3-1 version of Light Blue 23. Cheers, Dana
  15. The 20mm guns happened at least once, but there's very little in the way of a paper trail beyond reports that the AAF was about to install and test the guns, and a later request fo additional 20mm ammunition. There was also a provision to remove a .50 from each wing on the P-40E to install two 20s. There's nothing I've yet found that indicates how the 20s were to be installed (internally? underwing gondola?) but I'm still searching. We've recently uncovered a new section on armament in the Sarah Clark (Wright Field) collection, and hope to one day discover the complete report with drawings and photos, but I've been after this for 15 years and had no luck so far... Cheers, Dana