paulsbrown Posted September 28, 2020 Share Posted September 28, 2020 I bought the Collect-Aire resin YF-23 when it came out, I think in 2002. Big price, big box and some big hunks of resin, it was awesome. Although well designed and molded it did require extra skills and I was fairly new to resin, I think at that point I had made a handful of resin kits including Collect-Aire's MiG-19, which was fairly straightforward. For those who never built any kits by this company the detail and quality differed substantially. Their YF-23 was good however, good cockpit, decent shape, metal gear, rubbish missiles and wheels and a good attempt on the decal sheet (it had decals for the two prototypes plus some for an active duty what-if - Hobbyboss only had what-if decals so this project is made easier thanks to the more accurate Caracal decals release). A really great effort by Collect-Aire considering how much reference was out at the time and the budgetary limits of a small company. The nearly 20 year later Hobbyboss offering didn't have those limitations and while applauding them for making the kit it does have a handful of odd errors. More on that later. My plan in 2002 was to make a what if F-23A so I had made it an Eduard F-22A instrument panel and was going to rework the missile bay. With the Paul Metz YF-23 ATF book arrival, (a Northrop ATF test pilot) I now had good published detail shots of the two aircraft prototypes, called PAV 1 and PAV 2. I had the HobbyBoss kit in the stash and got out the (fuselage assembled) Collect-Aire and decided it was time to get them done. I didn't want to correct both kits to look like each other- too much work, merely make them each as close to a prototype as possible. The ATF competition made this a little easier: both the YF-22 and the YF-23 prototypes were also using two different engines each (P&W and GE were competing for the winning design contract too). Visually the only difference was the size of the engine exhaust area, the P&W engine was a little bigger and so its exhaust area was wider. The Hobbyboss was better for the PAV 2 because its tiled exhaust was a little wider and it had the sawtooth detailing on top. The PAV 1 also had operating weapons bay doors and no sawtooth engine detailing, so Collect-Aire (resin) was better for that aircraft. Here I've used Milliput underneath the HB fuselage because there are strange fictional shapes above the intakes that needed to be sanded down. Below the left side is untouched, there's a strange square ledge that shouldn't be there, on the right side it has been sanded away as well as some of the squared off engine hump. HobbyBoss did a good job with the cockpit instrument panel but everything behind the seat was a strange bit of fiction. Collect-Aire did a pretty good job with the whole thing, their metal instrument panel was ok, a bit small and the detail soft, I had filed it down to remake the displays but instead I made a resin copy of the HB one. It looks much better in scale and accuracy. I plan to have both canopies open so at least now each cockpit will look similar. 10 Link to comment Share on other sites More sharing options...
CaracalModels Posted September 28, 2020 Share Posted September 28, 2020 Nice! I will be following this thread with interest. The 1/48 YF-23 decals have been reprinted and will be available again very soon, hopefully allowing others to follow in your footsteps and finish many more Hobby Boss (and Collectaire) kits. 3 Link to comment Share on other sites More sharing options...
paulsbrown Posted September 30, 2020 Author Share Posted September 30, 2020 Getting the cockpits up to speed. The HB one needs to be fully rebuilt behind the seat. I didn't quite do that but made it look a lot more accurate and it pairs well with the Collect-Aire now. Test fitting the HB copy in the C-A cockpit. Adding the missing bits. And getting some uniformity. 4 Link to comment Share on other sites More sharing options...
roadrunner Posted September 30, 2020 Share Posted September 30, 2020 Hello, do you correct the HobbyBoss underside nose shape? Link to comment Share on other sites More sharing options...
Marklo Posted September 30, 2020 Share Posted September 30, 2020 (edited) Love the YF 23 and enjoying the builds. I was always disappointed that it lost out to the f22 (at the time of its roll out and fly off I was working for a subsidiary of P&W) The engine thing is (was) the US governments way of keeping two engine manufacturers viable in the post Cold War era. Basically for every new engine order they had a fly off between GE and P&W and in principle ordered the best one but in practice the orders went out around 50/50. Rumour had it that the F22 was favoured because GE needed the contract more at the time... Edited September 30, 2020 by Marklo 2 Link to comment Share on other sites More sharing options...
paulsbrown Posted September 30, 2020 Author Share Posted September 30, 2020 11 hours ago, roadrunner said: do you correct the HobbyBoss underside nose shape? It's got quite a chin on it, thats for sure. The C-A has a much better nose profile. Link to comment Share on other sites More sharing options...
amos brierley Posted October 1, 2020 Share Posted October 1, 2020 Really nice to see the C-A kit. Nice work. 😁 1 Link to comment Share on other sites More sharing options...
exdraken Posted October 3, 2020 Share Posted October 3, 2020 Great project!! 1 Link to comment Share on other sites More sharing options...
paulsbrown Posted October 17, 2020 Author Share Posted October 17, 2020 I've made some progress on the double build. All ready to paint and.... My reshaping of the HB intakes didn't take well to tape. Easily fixed though. That repair made and the cockpits are pretty much finished and I finally got some painting in. Decided to get the HB nearly finished first so I can concentrate on the Collect-Aire with it's dropped flaps and it's weapons bay. Caracal decals pretty accurate and went on fine. A painted kit needs landing gear so I plumbed up the landing gear for both. HB did a great job on the gear. They added the connections for the red nose gear shimmy weight added to both aircraft but not the scissor link itself. I guess they thought it was one of those oleo attachments often seen on museum aircraft and omitted it. Wheels from Monogram F-18s. I used the SAC gear for the HB but honestly I think the plastic might be stronger.... The idea was to make both landing gears match and the SAC was for the C-A but there's no way that soft powdery metal would hold up the 1.6lb (700g) of resin. I gave up on SAC years ago but still have some to use up. This shows how big it is, the new J-20 below is huge too. HB YF-23 on the bottom, Hasegawa F-22 in the middle and KH F-35 on top. 2 Link to comment Share on other sites More sharing options...
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