Hamiltonian Posted August 14, 2019 Share Posted August 14, 2019 I know some floatplane versions of the Junkers F-13 came with expanded control surfaces, but I'm wondering if anyone has seen anything like this, which doesn't seem to be typical: This is LN-ABH, flown by Norwegian aviator Gidsken Jakobsen in the early 1930s. There are a number of photographs of the aircraft at the Norsk Luftfartsmuseum - you can take a look at them at https://digitaltmuseum.no/search/?q=ln-abh&aq=owner%3F%3A"LMU"&o=0&n=176 One photo seems to show an "original" tail https://digitaltmuseum.no/021015697075/1-fly-pa-havoverflata-2-personer-sitter-pa-flyet-1-nordlandbat-ligger-ved There are clear differences between rudder and tailplane, in texture and reflectivity, in other photos, and I'm wondering if this might be a custom job fitted locally, rather than a factory fitting. (Jakobsen once had the propeller repaired by a local blacksmith in Balestrand, so it seems she wasn't averse to a bit of make-do and mend.) Since I suspect I'm going to have to scratch-build this thing, any information or opinion will be greatly appreciated. Link to comment Share on other sites More sharing options...
Roger Holden Posted August 14, 2019 Share Posted August 14, 2019 Looks like a new, fabric-covered rudder has been designed and fitted. As the F-13 was out of production by this time (superseded by W33/34), I'm guessing it wasn't possible to obtain something appropriate from the Junkers factory. 1 Link to comment Share on other sites More sharing options...
JWM Posted August 14, 2019 Share Posted August 14, 2019 I think the rudder was replaced by a workshop ("home made") one of a bigger area then original one - here you have machine with original metal rudder (a smaller area one): https://digitaltmuseum.no/021015697075/1-fly-pa-havoverflata-2-personer-sitter-pa-flyet-1-nordlandbat-ligger-ved and on your photo there is home made replacement seen Cheers J-W 1 Link to comment Share on other sites More sharing options...
Hamiltonian Posted August 15, 2019 Author Share Posted August 15, 2019 Thanks, both. Easier to scratch-build a frame-and-fabric part than a corrugated aluminium part! Now all I need to do is lay my hands on some replacement ailerons - a couple of companies used to make them, but they seem to be rather scarce now. Link to comment Share on other sites More sharing options...
Bonehammer Posted September 15, 2019 Share Posted September 15, 2019 If you were to do it your best bet would probably be to impress another corrugated surface (wing, aileron) on a "lasagna" of fresh Milliput. But yeah, this is clearly easier to do. 1 Link to comment Share on other sites More sharing options...
clive_t Posted September 15, 2019 Share Posted September 15, 2019 I've been making my own corrugations for my Ju52/1m project, using liquid styrene (old sprues dissolved in liquid poly) to coat a mould made of silicone rubber which I pressed into the appropriate place on the kit. Seemed to work fairly well. 1 Link to comment Share on other sites More sharing options...
Hamiltonian Posted September 15, 2019 Author Share Posted September 15, 2019 Thanks both. I've been considering trying something like that to produce the extended ailerons I need, if I can't get my hands on resin replacements. I might just let my alert on ebay sit for a while longer before embarking on that one, though. Link to comment Share on other sites More sharing options...
Adrian Hills Posted January 19, 2020 Share Posted January 19, 2020 The best single reference for the Ju F13 is “The world’s first all metal airliner; Junkers F13” by EAM Books. I can highly recommend it and am using it to help complete a collection of four F13s. Will post up when completed. 1 Link to comment Share on other sites More sharing options...
Hamiltonian Posted January 19, 2020 Author Share Posted January 19, 2020 2 hours ago, Adrian Hills said: The best single reference for the Ju F13 is “The world’s first all metal airliner; Junkers F13” by EAM Books. I can highly recommend it and am using it to help complete a collection of four F13s. Will post up when completed. Thanks for that. Looking forward to seeing your completed set. I'm on hold at present, waiting for Master-X to produce some more F13 resin conversion sets, so that I can lay my hands on a set of extended ailerons (which I really don't fancy scratch building). Link to comment Share on other sites More sharing options...
Adrian Hills Posted January 19, 2020 Share Posted January 19, 2020 Hamiltonian, I know what you mean. Straight ailerons on the Revell kit just doesn’t look right. I’ve also used a 1/87 Roskopf kit and a couple of resin 1/72 ones (forget manufacturer at moment) - these ones have good ailerons - if not good pigeon holes ( look it up 😉) cheers Adrian ☺️ 1 Link to comment Share on other sites More sharing options...
Graham Boak Posted January 19, 2020 Share Posted January 19, 2020 Straight ailerons are right for late F.13s but not for most. Possibly larger wingspan:I found it difficult to get this straight from the otherwise excellent book cited above. I was told that the Revell kit was based on the one in the Berlin Museum which unfortunately is a hybrid. There have been conversion kits but the ones I could get all came with the Revell kit which I didn't need, so wouldn't help a lot. 1 Link to comment Share on other sites More sharing options...
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