Tony Nijhuis Posted June 11, 2012 Author Share Posted June 11, 2012 Yes, very much so Graham.....What I tend to do is pass the art work on to Pyramid Models and Lee will make up set to the correct size.....if you have a .pdf or similar, that would be great. Will be at Weston Park and W&W over the next two weeks Quote Link to comment Share on other sites More sharing options...
Glenn Philbrick Posted June 13, 2012 Share Posted June 13, 2012 The smaller version with bungee launch and ducted fans would be a definate build fo many. There are already a couple of vulcan kits with pushers but they don't look right. Thanks for your efforts. Glenn Quote Link to comment Share on other sites More sharing options...
Tony Nijhuis Posted June 14, 2012 Author Share Posted June 14, 2012 Thanks everyone for your input. As a consequence I will test two options; one for a pair of 68mm fan and one for a single nose tractor. Fear not, i will be producing a spinner to match the true nose profile so in the air, it shouldn't notice too much. The twin pusher option I'm not so keen on but I will detail something at the jet pipes so a pair of in-runners can easily be mounted, should any one wish to try.....think i have covered all angles on that one now............just need that illusive thing called time now Quote Link to comment Share on other sites More sharing options...
Piers Bowlan Posted June 15, 2012 Share Posted June 15, 2012 Tony, has the 78in span Vulcan flown yet? Some pictures would be great if it has. No doubt some plans for both versions will be available in the fulness of time. Quote Link to comment Share on other sites More sharing options...
Tony Nijhuis Posted June 18, 2012 Author Share Posted June 18, 2012 Piers, No the big one hasn't been finished yet. Plan was to fly the small one first and use the information on this one, then apply it to the larger Took the airframe to Weston Park at the weekend and by the resonse, its going to be popular! Quote Link to comment Share on other sites More sharing options...
David Molineux Posted June 18, 2012 Share Posted June 18, 2012 Sign me up for the big one Blimey, only just starting out in RC and already I've got a list as long as my arm of future projects! I'm currently working towards my A test with a Sky 40 trainer which I really enjoyed building and now flying. For what it's worth, I think the EDF option will look so much better. David. Quote Link to comment Share on other sites More sharing options...
Colin Bernard Posted June 18, 2012 Share Posted June 18, 2012 Hi Tony - I presume that was it I saw in the SLEC tent? Quote Link to comment Share on other sites More sharing options...
Tony Nijhuis Posted June 21, 2012 Author Share Posted June 21, 2012 Yes Colin.....it was. I think the Vulcan is going to be very popular so the model has got to be right and tick hopefully everyones boxes so the plan is to build 4 number prototypes and test all options Quote Link to comment Share on other sites More sharing options...
Graham Dorschell Posted June 21, 2012 Share Posted June 21, 2012 Hi Tony - emailed them decals 3 times and it throws it back ever time ? Quote Link to comment Share on other sites More sharing options...
J V R Posted June 23, 2012 Share Posted June 23, 2012 Tony, single or twin electric pushers would do it for me Quote Link to comment Share on other sites More sharing options...
Jon Laughton Posted June 24, 2012 Share Posted June 24, 2012 As this is a model from a very reputable designer I would say it could be a shame to spoil / vary the deisgn too far from the full size so stick with the fans and do not convert to a pusher - the comments about the relative weight, hand launching and pusher props being "hungy for fingers" seem to reinforce this view. I guess that there needs to be some rethink on how to take weight out of the design without compromising the required strength. Would it be too far fetched to try to get someone to do a proper finite stress model analysis of the current design to help identify where this could be done? Perhaps that could be a good undergraduate project for a local college / university that offers aeronautical engineering courses or perhaps someone in the forum could offer that service through their work contacts? Quote Link to comment Share on other sites More sharing options...
stu knowles Posted June 24, 2012 Share Posted June 24, 2012 When I see lekky ducted fans I see massive jets outlets which completely alter the look of the thing, plus less thrust and lots of noise. Small pusher props hidden away in the jet pipes seem more practical and preserve the line of the nose. I think that it would be a popular model though stu k Quote Link to comment Share on other sites More sharing options...
BizJet Tech Posted June 27, 2012 Share Posted June 27, 2012 Hi Tony, Love your work. FWIW I scaled Graham’s plans down to 48nch span and used 6mm Depron for the wing and fuselage ribs and 1 mm ply for the root ribs/nacelle ribs. Skin is 3mm depron with ½ oz fibreglass and poly kote. With the fans and ducts installed there’s a huge empty area in the wing root so as I was worried about strength, I made fibreglass fairings for the jet pipes It has 4 AEO 30mm fans for 2s LiPos. It also has e-flite retracts! I have it about ¾ finished and the weight is looking like it will be about 1600 – 1800 grm. For example the nose and canopy is 60 grm ready for paint. if the weight stays as projected wing loading would be about 13oz/sq ft and there’s decent push from the donks (can't remember how much) so the thing should “fly” aerodynamically rather than by brute force. that's my sixpence-worth, stick to the fans and try some depron Good luck, Alan Edited By BizJet Tech on 27/06/2012 23:32:47 Quote Link to comment Share on other sites More sharing options...
Graham Dorschell Posted June 28, 2012 Share Posted June 28, 2012 Wow , I am so impresed with the inovation from my original model , I dont think I made a good -a - job and there are a lot of great model builders who can improve upon her . It was always screaming for someone to come along and do a really good job and am so pleased its sparked so much interest to produce other dimentions having new electric retracts and more powerful EDF s . Cant imagine trying to fly this design on four IC engins ? Fossel burning rubbish - eh . Wayne has built her twice the size with 90mm fans to a cost now over 5 thousand pounds to your impresive dinky Vulcan with 30mm fans - would love to hear her go . Knowing what I know now - maybe I would have designed it a bit smaller - about 50 in and four fans again and lighter . I had a good look at Tonys design with the 2 times 70 mm fans and it dosnt look too good under side with the fans bottoming out - but still a great jog and probably better than mine . Hope I can see some of them flying at Barkston - on the evening electric slot free for all . Thanks G Quote Link to comment Share on other sites More sharing options...
Tony Nijhuis Posted June 28, 2012 Author Share Posted June 28, 2012 Excellent job Alan....I'm sure it will work as you clearly know what the target weight needs to be. With the light wing loading it should fly scale too... As Graham said, the 68mm fans on mine do drop out the underside but I have accepted this model will have to have sufficient power to allow for the builder who always tend to build heavy. Form my years of experience designing a model and basing it on a marginal powered set will only cause failure for those builder who love to add detail (and weight)....so no disappointments I hope Quote Link to comment Share on other sites More sharing options...
Concorde Speedbird Posted September 9, 2012 Share Posted September 9, 2012 Any news on these Vulcans Tony? Saw XH558 at Duxford yesterday... Is there going to be an RCME article about these Vulcans, that bigger one is definately a consideration for a future project. CS Quote Link to comment Share on other sites More sharing options...
Tony Nijhuis Posted September 18, 2012 Author Share Posted September 18, 2012 They are on the stocks waiting for me to finish a new 1/5 scale Hurricane design. Once done I should be back on to it within a few weeks...... Quote Link to comment Share on other sites More sharing options...
Hugh Coleman Posted September 19, 2012 Share Posted September 19, 2012 oooooh! A 1/5 Hurri? Is this based on the earlier one or is it a more scale version? Hugh Quote Link to comment Share on other sites More sharing options...
Concorde Speedbird Posted September 19, 2012 Share Posted September 19, 2012 Posted by Tony Nijhuis on 18/09/2012 23:10:48: They are on the stocks waiting for me to finish a new 1/5 scale Hurricane design. Once done I should be back on to it within a few weeks...... Ooo, Hurricane! Can't wait to see these Vulcans though, that bigger one will be one I may want to build in the future. CS PS. By the way, superb job on the Harvard, brilliant model and I love the scheme! Here's a full size one from Duxford... Quote Link to comment Share on other sites More sharing options...
Tony Nijhuis Posted September 21, 2012 Author Share Posted September 21, 2012 Yes Hugh, It is a scale up the smaller version. Gregg & John Veasy built the prototype one a couple of years ago and they loved the flying characterists so much that a proper production model was needed. Needless to say it needed to be more scale so it has scale tailplane build up, flaps, a bespoke set of retracts, F/G cowl, 3 part wings and a load more detail. TJD model will be promoting the model next year at the shows.......(now the Harvard is out the way) Vulcans are next on the agenda after the Hurricane Quote Link to comment Share on other sites More sharing options...
Hugh Coleman Posted September 21, 2012 Share Posted September 21, 2012 Will we see the Hurri in RCM&E? Hugh Quote Link to comment Share on other sites More sharing options...
Tony Nijhuis Posted September 24, 2012 Author Share Posted September 24, 2012 Won't be availible through the RCM&E but I will do a write-up for the mag......All the parts(plans,VAC set, F/G cowl, cnc/wood pack) will be available through www.tonynijhuisdesigns.co.uk Quote Link to comment Share on other sites More sharing options...
Braddock, VC Posted September 24, 2012 Share Posted September 24, 2012 Just a thought regarding the 48" span vulcan, would the losses be too great with a single, (much) larger fan in the fuselage with the inlet and, especially, the jet ducts carefully designed? YKWIM, smooth curves csa adjusted etc. The motor could have an extended shaft and hide underneath the cockpit away from the fan in an effort to reduce losses. Edited By John Gibbs on 24/09/2012 15:47:23 Quote Link to comment Share on other sites More sharing options...
Tony Nijhuis Posted June 2, 2013 Author Share Posted June 2, 2013 A very successful test flight today on the No. 3 vulcan....the turbine powered version. powering up the Wren 100 A vulcan take-off.....un-intensional but made a great photo. Only 3/4 throttle so the cheaper Wren 80 will easily power this beauty comming in for a low pass On finals....took three attemps as she was a little tail heavy so needed to slow her up. But what a peach......easier to fly than a high wing trainer. The full-size may be destine for retirement but the VULCAN will live on one happy bunny Spec; 95" span 26lb AUW inc fuel Wren 100......but would only need an 80 Quote Link to comment Share on other sites More sharing options...
Danny Fenton Posted June 2, 2013 Share Posted June 2, 2013 Looks brilliant Tony, and congrats on the succesful maiden Cheers Danny Quote Link to comment Share on other sites More sharing options...
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