kurnass77 Posted February 6, 2015 Share Posted February 6, 2015 Hei guys, I'm searching on Youtube some F-16 video useful for my models and find this one,enjoy! Gianni Quote Link to post Share on other sites
Joel_W Posted February 6, 2015 Share Posted February 6, 2015 (edited) There's just no words to describe building a RC model to that level of detail. Joel Edited February 6, 2015 by Joel_W Quote Link to post Share on other sites
RedHeadKevin Posted February 7, 2015 Share Posted February 7, 2015 Is an RC plane like this as unstable as a real Viper? If do, how do they get it to fly, unless theres an itty-bitty flight control computer constantly adjusting the control surfaces? Quote Link to post Share on other sites
vainglorious Posted February 7, 2015 Share Posted February 7, 2015 wow, that's fantastic! Quote Link to post Share on other sites
erik_g Posted February 8, 2015 Share Posted February 8, 2015 It is most probably stable. Just because it is a scale model doesn't mean it has the center of gravity in the same place as the original. However, the technology available to a RC enthusiast today would probably make it possible to build unstable aircraft. See for example all those tiny helicopters and multicopters that are perfectly stable in flight without the need for constant microscopic inputs from the pilot. Quote Link to post Share on other sites
DET1460 Posted February 8, 2015 Share Posted February 8, 2015 I'll make one in 72nd! (Someday, maybe... Not today, of course... Or even this lifetime!) That's dedication! Really amazing. I wonder how he got it to the M of the USAF from Europe? Again, dedication! DET1460 Quote Link to post Share on other sites
Steve jahn Posted February 10, 2015 Share Posted February 10, 2015 The center of gravity is moved farther forward on the RC Viper making it more stable. Not less maneuverable than the real thing because thrust to weight is much greater on the RC jet. Steve Quote Link to post Share on other sites
dryguy Posted February 10, 2015 Share Posted February 10, 2015 Steve is right; fly by wire/relaxed stability is still not a reality for us rc pilots. I sure wish it was, as it would solve a lot of problems! Specifically, many WW2 fighters come out tail heavy as built, and then need a huge chunk of lead in the nose to make it stable, which in turn leads to higher wing loadings, higher stall speeds and just bad bad bad. I have tried using a gyro stabiliser to try and overcome this, but it introduces more problems than it solves. It is this question of stability and high wing loadings that leads to many "scale" rc planes looking laughable to a plastic model builder, the design has introduced compromises to make it fly better. Quote Link to post Share on other sites
305swag Posted February 11, 2015 Share Posted February 11, 2015 Good lord! Quote Link to post Share on other sites
GEH737 Posted February 11, 2015 Share Posted February 11, 2015 Absolutely amazing... And to compliment that - in the "I can't even believe that's possible" - Beyond belief... Quote Link to post Share on other sites
Vince Maddux Posted February 11, 2015 Share Posted February 11, 2015 If I built that, I would never risk putting it in the air. Quote Link to post Share on other sites
erik_g Posted February 11, 2015 Share Posted February 11, 2015 Absolutely amazing... And to compliment that - in the "I can't even believe that's possible" - Beyond belief... Ah, so the Russians have developed Shrink Ray Technology?! That Yak even had its own APU! Quote Link to post Share on other sites
Joel_W Posted February 11, 2015 Share Posted February 11, 2015 Ah, so the Russians have developed Shrink Ray Technology?! That Yak even had its own APU! Erik, I just watched that video. Oh my God! I've never seen anything like that. Simply amazing. I would really be interested in knowing just how much the various components cost, and the total amount for the build. I really have no idea, but I'm guessing to duplicate it's easy low 5 figures. Joel Quote Link to post Share on other sites
erik_g Posted February 12, 2015 Share Posted February 12, 2015 Well, Joel, no idea of the costs involved. I guess it depends on whether you build it yourself or if you buy it in kit form. But just one jet turbine costs between three and six thousand, and this model seems to have three of them, two for propulsion and one smaller as an APU. If you would be able to buy this aircraft finished or as a complete kit, my guess is that you could buy yourself a full scale aircraft for the same money. Anyway, that is way out of my budget. But I´d like to see a 1/48 kit of the Yak, I think it´s a cool looking aircraft, and such a kit would be well within my budget. /E Quote Link to post Share on other sites
Joel_W Posted February 12, 2015 Share Posted February 12, 2015 Well, Joel, no idea of the costs involved. I guess it depends on whether you build it yourself or if you buy it in kit form. But just one jet turbine costs between three and six thousand, and this model seems to have three of them, two for propulsion and one smaller as an APU. If you would be able to buy this aircraft finished or as a complete kit, my guess is that you could buy yourself a full scale aircraft for the same money. Anyway, that is way out of my budget. But I´d like to see a 1/48 kit of the Yak, I think it´s a cool looking aircraft, and such a kit would be well within my budget. /E Eric, I had no idea that each engine costs that much. And RC guys actually spend that much on their builds? I'm just wondering how a company like that actually makes enough money to stay in business. Joel Quote Link to post Share on other sites
erik_g Posted February 12, 2015 Share Posted February 12, 2015 As I understand from glancing at the RusJet website, they are an RC flying club, and the Yak was a club project. But yes, some seem to have more money than sense.. check out the jet engined B-52 on youtube.. Yes, that´s 8 jet engines.. There is even one clip of it crashing, and even the following fire is realistic. Far more realistic than what I ever achieved in my youth with firecrackers and 1/72nd scale aircraft and tanks. I actually had the pleasure of seeing both the Dutch demo-viper and a Yak 130 (although not the same individual aircraft as the RC kit) perform at Riat 2012.. Quote Link to post Share on other sites
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