farmerboy Posted April 11, 2016 Share Posted April 11, 2016 I am building a 1/72 A-4 Skyhawk in early scheme but can't find a view of the avionics bump from the top. I know it differs a bit from the Argentine A-4B or Q. Any help, photos from the top or dimensions would be greatly appreciated!! Quote Link to post Share on other sites
FAR148 Posted April 11, 2016 Share Posted April 11, 2016 Didn't think the Singapore A-4's had avionics humps. Quote Link to post Share on other sites
Niels Posted April 11, 2016 Share Posted April 11, 2016 (edited) They had a different kind of "hump", looking more like a pancake to be honest ;)/> Have you tried searching airliners.net or airfighters.net? http://www.airfighters.com/photosearch.php?cra=1539&lim=5 Edited April 11, 2016 by Niels Quote Link to post Share on other sites
gb_madcat_sl Posted April 11, 2016 Share Posted April 11, 2016 Go to the following website and click on any of the preview instructions. Should give you a general idea of shape and location of the hump. http://www.scaleaircraftmodeller.com/decals/miliverse/172-mv-72001-singapore-skyhawks/#lightbox[gallery-1]/2/ Mark Quote Link to post Share on other sites
farmerboy Posted April 11, 2016 Author Share Posted April 11, 2016 Should the base kit be a A-4B or C? Quote Link to post Share on other sites
gb_madcat_sl Posted April 11, 2016 Share Posted April 11, 2016 Should the base kit be a A-4B or C? C. Mark Quote Link to post Share on other sites
JackMan Posted April 12, 2016 Share Posted April 12, 2016 Mark, thanks for that link. I didn't know about that website Farmerboy, exploring that website further, I came across this: Close up of the hump: http://www.scaleaircraftmodeller.com/gallery/fast-jets/148-a-4su-super-skyhawk-black-knights-2000/ http://www.scaleaircraftmodeller.com/wp-content/uploads/2015/02/054.jpg http://www.scaleaircraftmodeller.com/gallery/fast-jets/148-a-4s1-skyhawk/ http://www.scaleaircraftmodeller.com/wp-content/uploads/2015/02/075.jpg http://www.scaleaircraftmodeller.com/wp-content/uploads/2015/02/065.jpg Sadly, the above resin set is long gone. I never got a chance to get my hands on one HTH Quote Link to post Share on other sites
farmerboy Posted April 12, 2016 Author Share Posted April 12, 2016 Thank s for the help guys. I think the hump will be easy to fashion, then make some resin copies. Quote Link to post Share on other sites
gb_madcat_sl Posted April 12, 2016 Share Posted April 12, 2016 This may be useful as well. http://www.arcair.com/Rev1/001-100/rev070-ActungA4SU/00.shtm Mark Quote Link to post Share on other sites
torchf4 Posted April 13, 2016 Share Posted April 13, 2016 This may be useful as well. http://www.arcair.com/Rev1/001-100/rev070-ActungA4SU/00.shtm Mark Was it ever released and sold before Nakamoto packed up? Don't recall it ever hitting the market. Then again never really kept up with the news after he screwed me over early 2000s. Andy Quote Link to post Share on other sites
gb_madcat_sl Posted April 13, 2016 Share Posted April 13, 2016 Was it ever released and sold before Nakamoto packed up? Don't recall it ever hitting the market. Then again never really kept up with the news after he screwed me over early 2000s. Andy This was released before I got into modelling but from what I've gathered, it was released in very limited quantities and snapped up by Nakamoto's regulars. Mark Quote Link to post Share on other sites
skyhawk174 Posted April 13, 2016 Share Posted April 13, 2016 (edited) Too bad that detail set is no longer available :( I for sure would have picked up a couple of sets. I know I have somewhere in my stash nice 1/48 drawings for an A-4B with the hump but I think it is for the Argentine version which appears to be different. I think I should be able to scratch something to do my Singapore Skyhawk as it does not seem too crazy shape wise. Hmm, I may even do it in CAD and get it printed by Shapeways. Yet another project to try :) Edited April 13, 2016 by skyhawk174 Quote Link to post Share on other sites
flanker27 Posted April 13, 2016 Share Posted April 13, 2016 I thought Hasegawa release a A-4SU before in 1:48 scale Quote Link to post Share on other sites
The Scaremonger Posted April 13, 2016 Share Posted April 13, 2016 I know it differs a bit from the Argentine A-4B or Q. Any help, photos from the top or dimensions would be greatly appreciated!! If I may barge in, the dorsal avionics hump on the Singapore scooters looks quite like that on the Argentinean A-4Cs, which is different from that on the A-4Bs (Ps or Qs). Here you are a picture from an A-4C build which shows this hump: Hope it is of use to your needs. Quote Link to post Share on other sites
farmerboy Posted April 13, 2016 Author Share Posted April 13, 2016 If I may barge in, the dorsal avionics hump on the Singapore scooters looks quite like that on the Argentinean A-4Cs, which is different from that on the A-4Bs (Ps or Qs). Here you are a picture from an A-4C build which shows this hump: Hope it is of use to your needs. It does and thanks!! Quote Link to post Share on other sites
skyhawk174 Posted April 13, 2016 Share Posted April 13, 2016 The Argentine one appears a little longer I think. SO I have a resin set for that conversion so maybe I can start with that and see what I can CAD up. Quote Link to post Share on other sites
JackMan Posted April 14, 2016 Share Posted April 14, 2016 I thought Hasegawa release a A-4SU before in 1:48 scale My understanding is that the avionics hump is wrongly shaped in the Hasegawa kit. Quote Link to post Share on other sites
gb_madcat_sl Posted April 14, 2016 Share Posted April 14, 2016 My understanding is that the avionics hump is wrongly shaped in the Hasegawa kit. Yep. The included hump is tear-drop shaped and incorrect for an A-4S/S-1/SU. Mark Quote Link to post Share on other sites
Andre Posted April 15, 2016 Share Posted April 15, 2016 Perhaps the spare OV-10A hump out of Academy's OV-10D kit can be used as a basis? Cheers, Andre Quote Link to post Share on other sites
skyhawk174 Posted April 19, 2016 Share Posted April 19, 2016 Ok while doing some hump research, I saw this thread right here on ARC. http://www.arcforums.com/forums/air/index.php?showtopic=215524&st=0&p=2048718&hl=a-4su&fromsearch=1entry2048718 The hump there is way different than what is in the Achtung Japan set. It is more tear drop shape and I wonder if the one in the thread is the original and the Achtung Japan set is some sort of upgraded unit. I have already got the shape of the part done up in my Solidworks program using the Achtung Japan image but have not done a thickness yet. Still have to figure out the actual size though. Once I get that I will send to Shapeways to figure out a cost to fab. Quote Link to post Share on other sites
farmerboy Posted April 19, 2016 Author Share Posted April 19, 2016 Ok while doing some hump research, I saw this thread right here on ARC. http://www.arcforums.com/forums/air/index.php?showtopic=215524&st=0&p=2048718&hl=a-4su&fromsearch=1entry2048718 The hump there is way different than what is in the Achtung Japan set. It is more tear drop shape and I wonder if the one in the thread is the original and the Achtung Japan set is some sort of upgraded unit. I have already got the shape of the part done up in my Solidworks program using the Achtung Japan image but have not done a thickness yet. Still have to figure out the actual size though. Once I get that I will send to Shapeways to figure out a cost to fab. As far as I can tell the Achtung shape is correct, I am working on get the correct shape done and will be casting resin copies. Quote Link to post Share on other sites
skyhawk174 Posted April 19, 2016 Share Posted April 19, 2016 As far as I can tell the Achtung shape is correct, I am working on get the correct shape done and will be casting resin copies. Ok great news. I am now standing in line when you have them available for sale :) I see that there are several other pieces on the Achtung set and some of them are obvious like the bent refuelling probe. Is there a quick list somewhere that tells you what needs to be added/removed from the Hasegawa kits to make it a true A-4SU? I would not presume to guess that the Singapore Air Force release of the Skyhawk from Hasegawa got everything correct. Quote Link to post Share on other sites
gb_madcat_sl Posted April 19, 2016 Share Posted April 19, 2016 (edited) Ok great news. I am now standing in line when you have them available for sale :)/>/> I see that there are several other pieces on the Achtung set and some of them are obvious like the bent refuelling probe. Is there a quick list somewhere that tells you what needs to be added/removed from the Hasegawa kits to make it a true A-4SU? I would not presume to guess that the Singapore Air Force release of the Skyhawk from Hasegawa got everything correct. The basic airframe is that of an A-4C. You'll need to add the hump, engine scoop, gun gas deflectors and new cockpit IP and HUD. The SU also has 4 chaff and flare dispensers so that has to be scratch built. There are several walks rounds available online of the jets when they were on display at the Open Houses as well as those at the Air Force Museum. The only things you may have difficulty finding are photos of the cockpit. Mark Edit: Looks like I was wrong about the cockpit photos. Here's a photo of it. http://www.jetthrustimages.com/img/s6/v139/p1086605957-6.jpg Edited April 19, 2016 by gb_madcat_sl Quote Link to post Share on other sites
skyhawk174 Posted April 19, 2016 Share Posted April 19, 2016 The basic airframe is that of an A-4C. You'll need to add the hump, engine scoop, gun gas deflectors and new cockpit IP and HUD. The SU also has 4 chaff and flare dispensers so that has to be scratch built. There are several walks rounds available online of the jets when they were on display at the Open Houses as well as those at the Air Force Museum. The only things you may have difficulty finding are photos of the cockpit. Mark Edit: Looks like I was wrong about the cockpit photos. Here's a photo of it. Thanks Mark. That cockpit shot reminds me of an A-4M. Looks pretty advanced. I will go hunting and start the saving process :) Quote Link to post Share on other sites
farmerboy Posted April 21, 2016 Author Share Posted April 21, 2016 Ok while doing some hump research, I saw this thread right here on ARC. http://www.arcforums.com/forums/air/index.php?showtopic=215524&st=0&p=2048718&hl=a-4su&fromsearch=1entry2048718 The hump there is way different than what is in the Achtung Japan set. It is more tear drop shape and I wonder if the one in the thread is the original and the Achtung Japan set is some sort of upgraded unit. I have already got the shape of the part done up in my Solidworks program using the Achtung Japan image but have not done a thickness yet. Still have to figure out the actual size though. Once I get that I will send to Shapeways to figure out a cost to fab. The hump on the link looks like it's for an A-4B, the Achtung one seems more accurate. Quote Link to post Share on other sites
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.