Colin Leighfield Posted January 24, 2019 Author Share Posted January 24, 2019 Thanks chaps, but don’t look too closely! I continue to be the artful codger. Quote Link to comment Share on other sites More sharing options...
Colin Leighfield Posted January 24, 2019 Author Share Posted January 24, 2019 This evening’s efforts completed the spar webbing on this wing panel. Cap strips next (gritting my teeth)! Quote Link to comment Share on other sites More sharing options...
Colin Leighfield Posted January 26, 2019 Author Share Posted January 26, 2019 Cap strips done, I will leave the detail of strut fittings etc until I have all of the wings done. Plan wiped over with meths and now suitably transparent to build the right side lower panel. Quote Link to comment Share on other sites More sharing options...
Tony Bennett Posted January 26, 2019 Share Posted January 26, 2019 nice and neat sir Colin. soon be covering time. Tony B Quote Link to comment Share on other sites More sharing options...
Colin Leighfield Posted January 26, 2019 Author Share Posted January 26, 2019 Not sure about that Tony, I want to complete the airframe before I get into any finishing detail. Quote Link to comment Share on other sites More sharing options...
Colin Leighfield Posted January 27, 2019 Author Share Posted January 27, 2019 Now on with the starboard half of the lower wing. As usual I am creating a pigsty around me while I build, I should stop and tidy up but it’s too much of a distraction. Quote Link to comment Share on other sites More sharing options...
McG 6969 Posted January 27, 2019 Share Posted January 27, 2019 It's really great to see your progress, Colin. And, if allowed, you seem to be quite a bit more motivated than with your Chi... er... last Master Class build. Keep it up, young man. Cheers Chris Quote Link to comment Share on other sites More sharing options...
Colin Leighfield Posted January 27, 2019 Author Share Posted January 27, 2019 Thank you Chris! Although there are some frustrations with the design detail on this one, it hasn’t frustrated me in the way the Chipmunk build did! That remains mostly built but with a number of niggling details needing to be resolved, starting balefully at me from the other side of the shed. One day, but I confess to be more enthusiastic about this and I am particularly enthusiastic about getting this Spanish variant finished and flying, I find it really interesting. Quote Link to comment Share on other sites More sharing options...
Colin Leighfield Posted January 31, 2019 Author Share Posted January 31, 2019 Freezing in the shed even with the heater on! Still got in two more hours this evening and the lower wing is nearly done. Quote Link to comment Share on other sites More sharing options...
Danny Fenton Posted January 31, 2019 Share Posted January 31, 2019 Looking really good Colin, these wings are a darn sight easier than those Chippy wings! I don't know how modellers can brave this weather. I am lucky I have a nice warm indoor workshop. You are made of stearner stuff than me Cheers Danny Quote Link to comment Share on other sites More sharing options...
Colin Leighfield Posted February 1, 2019 Author Share Posted February 1, 2019 Thanks Danny, can’t argue with that. This one has to be finished and the only way is to grab every minute you can! Frostbite is a small price to pay. Quote Link to comment Share on other sites More sharing options...
Colin Leighfield Posted February 2, 2019 Author Share Posted February 2, 2019 We all do this! Taking stock so far. Although the fuselage is true in plan I have somehow got a slight twist that is apparent because the tailplane is slightly off horizontal. Sorting that out by adjusting the mounting plate should be sufficient. I can envisage ground handling problems with the tall narrow u/c. Although the Spanish version has a different set up, geometry and wheel position are the same. (Note I haven’t drilled the wheels yet). We know that Dick van Mourik widened his to solve problems with scraping wing tips, although I’m reluctant to do that. Next job will be to add the strut mountings and the wing attachment plate, then on with the upper wing. Looking inside the fuselage you can see the u/c shock absorber box, it shows signs of working well. Also the angled battery mounting that is intended to solve a c of g problem that will arise because of my long motor, but offers other useful advantages as well. Quote Link to comment Share on other sites More sharing options...
Colin Leighfield Posted February 13, 2019 Author Share Posted February 13, 2019 I’ve got the upper wing centre section sorted now. It is a fiddle because the alignment of the carbon fibre tubes that slide into the brass tubes has got to be spot on. I can get on with the upper wing panels now. Here’s the collection of bits so far. Quote Link to comment Share on other sites More sharing options...
Jim Andrews 1 Posted February 17, 2019 Share Posted February 17, 2019 Hi Colin I should have started sooner!! You will be telling us how it flies and I will be nearly thinking about covering!! I had not heard of or used the method of showing a right wing plan from a left using meths spirit. I tried it and got a super reproduction that only lasted as long as the drawing was wet!! Please, what did I do wrong? Regards Jim Quote Link to comment Share on other sites More sharing options...
Andy Sephton 1 Posted February 17, 2019 Share Posted February 17, 2019 You did nothing wrong Jim, but you did demonstrate a characteristic of meths - it evaporates quickly. I use paraffin or any available oil. Cooking oil works and so does WD-40. Just make sure you protect your building board with cling film or similar and also protect the model from the oil on the plan. Whatever you use, it'll dry out eventually and go opaque ... but it'll retain the smell for some time! Quote Link to comment Share on other sites More sharing options...
Colin Leighfield Posted February 17, 2019 Author Share Posted February 17, 2019 Hi Jim. Andy is right, it evaporates quickly. However it must be about two years since I did the Chipmunk plan and you can still see through it. I have built the lower wing using this method and am now working on the upper wing, will do it again. I like it because it leaves the paper completely clean and dry, without any shrinking or stretching. Using my chosen method for the wing fixing creates some work because of the need to make some ribs from 3mm Liteply and then careful work is needed to get the carbon fibre and brass tubes absolutely lined up and get the dihedral right. I am gluing up the top wing now. Quote Link to comment Share on other sites More sharing options...
Colin Leighfield Posted February 17, 2019 Author Share Posted February 17, 2019 Upper centre section with spar webs and capping strips done. Left upper wing panel coming together. 1/16” packing strips under the spars. Edited By Colin Leighfield on 17/02/2019 21:04:10 Quote Link to comment Share on other sites More sharing options...
Colin Leighfield Posted February 18, 2019 Author Share Posted February 18, 2019 I am at the point where I need to think about the aileron hinges. My natural instinct is to follow the plan and use the fibre glass ones, I know Danny and Andy are doing it differently but who else is using the f/g hinges? Quote Link to comment Share on other sites More sharing options...
Martyn K Posted February 18, 2019 Share Posted February 18, 2019 I used the fg hinges Colin . No problems as I seem to remember Martyn Quote Link to comment Share on other sites More sharing options...
Colin Leighfield Posted February 18, 2019 Author Share Posted February 18, 2019 Thanks Martyn. Are you using a wire straight through? Quote Link to comment Share on other sites More sharing options...
Martyn K Posted February 18, 2019 Share Posted February 18, 2019 I used the same method as on the Chippie 10BA brass bolts in a brass tube bushing to prevent excessive wear I used a ror to align them, this was actually two rods within a shirt length of brass tube at the centre so I could get the rod out after the glue had set Does that make sense? Martyn Edited By Martyn K on 18/02/2019 21:32:45 Quote Link to comment Share on other sites More sharing options...
Martian Posted February 18, 2019 Share Posted February 18, 2019 Hi Colin I haven't started the wings yet but intend to use the fg ones as per the plan in fact I'm sticking to the plan as far as possible for all Quote Link to comment Share on other sites More sharing options...
Colin Leighfield Posted February 18, 2019 Author Share Posted February 18, 2019 Martyn, thanks again. I have had another look at your build thread and understand it now. Martian, thanks also, I will definitely use them now. Quote Link to comment Share on other sites More sharing options...
Danny Fenton Posted February 19, 2019 Share Posted February 19, 2019 Hi Colin looking great well done. I did try one of the GF hinges between the spars and they did not fit and would need to be narrowed, that was enough to put me off using them. The minute you start adjusting them then they are not identical and you have to be careful not to have allignment issues. If you use the piano wire through the centre that will alleviate that. Did yours fit ok Martyn? Quote Link to comment Share on other sites More sharing options...
Martyn K Posted February 19, 2019 Share Posted February 19, 2019 They had to be tweaked Danny .Not too much, once I got one right, I used it as a master I also blocked the hinges in Can't wait to get started on mine again. It needs some quality time on it. Martyn Quote Link to comment Share on other sites More sharing options...
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