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7 Day challenge Nigel Hawes 30" Tucano...............

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martin collins 119/01/2020 00:22:48
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Ok, had enough for tonight, or should i say i have made an early start today (20 mins past midnight )teeth 2

Airframe nearly finished, fin gussets to make and fit, bit of underside sheet sanding to do, canopy issue to sort out and then it is on to the covering, which is a bit a really enjoy, making it look eye catching. Once done the control surfaces can be hinged and fitted.

Got to do the all important watt meter check tomorrow as well to see what amps it is pulling and prop for under 20.

Mrs C has finished vol one of War & Peace so has two more volumes to do plus the seventh book, she pushed off to bed an hour ago (light weight)  smile p 

She got very interested when i told her about the speed reading course you did Martyn, any further details on it would be appreciated........

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Edited By martin collins 1 on 19/01/2020 00:23:48

Edited By martin collins 1 on 19/01/2020 00:24:13

Martin Harris19/01/2020 01:02:44
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Posted by kc on 18/01/2020 19:51:00:

\if you are just going to make a fake canopy you could use a chunk of white packaging foam ( if not too heavy) by sanding to shape with coarse new glasspaper and covering with brown paper ( etc) and dilute PVA. Overnight it becomes a smooth lightweight shape ready for paint. looks like balsa colour too.

Sanding foam is easier if you lift off between strokes [i.e.sand in one direction only] otherwise balls of material can form and rip chunks off.

Watch out for distortion as the PVA dries out - most 1/12 scale combat models used blue foam/brown paper and the skin gave all the strength required for high G turns - there were no spars used at all. I always coated top and bottom surfaces at the same time to avoid warping.

Edited By Martin Harris on 19/01/2020 01:08:21

martin collins 119/01/2020 19:23:49
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443 forum posts
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Short update, another will come before i turn in later, Motor run up on a 9x7.5 APC electric prop, pulling 17 amps and giving 160 watts, airframe weighs just under 1 pound with the battery in before covering so performance should be good on paper. Lots of stupid small time consuming jobs done on it today but covering has finally started smiley covering the wings, ailerons, tailplane and elevator first so i can put the hinges in and glue the work surfaces on. Canopy issue still not sorted, that is a job for tomorrow, looks like it is going to be block balsa hollowed out with a dremel. Under 24 hours to go for me now as although it is a 7 day challenge it is all over for me when darkness falls tomorrow as i cannot fly it. So although my wife still has over 28 hours left i have only 21 sad

She is struggling with War and Peace, only halfway through it and has told me as far as she is concerned Mr Tolstoy `can do one` !  She is going to finish volume 2 and then start on her last book to get a rest from Tolstoy, she will go back to it tomorrow. 

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Edited By martin collins 1 on 19/01/2020 19:27:01

martin collins 120/01/2020 09:02:52
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443 forum posts
199 photos

Pushed of to bed without doing my update as i was so tired, another half past midnight finish. This is where i am at, still plenty of covering to do. I have realised i don`t have to have the covering/canopy finished to fly it today, i can finish off this evening after it has (hopefully) had it`s maiden flight.

Poor picture makes it difficult to see but one the top side of the tailplane and the control surfaces have been covered in white.

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Edited By martin collins 1 on 20/01/2020 09:04:53

Edited By martin collins 1 on 20/01/2020 09:07:03

Edited By martin collins 1 on 20/01/2020 09:07:32

Chris Bott - Moderator20/01/2020 09:37:09
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That's looking great Martin. Good luck with the maiden.

martin collins 120/01/2020 18:00:03
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Well it has flown, and very nicely i must say, after several last minute set backs which included the mylar hinges not taking the cyano in places, gave them a bit more but pinned them to be on the safe side. Also the right aileron was too high at neutral and the way i have the linkages there is no adjustment so i took the control wire off the servo and made a longer one, the grub screw that holds it to the torque rod stripped the thread in it`s plastic fitting. got round the problem by fitting a small collet on the end of the rod so it couldn`t slide off, this led to another problem! As the two torque rods moved in opposite directions when using ailerons there was just a fag paper gap between them, too close for comfort. My modeling side cutters wouldn`t nip the wire so i had to scrabble around as the sun was going down to find my larger ones in my garage. Here are a few shots my wife took, as you can see the sun was just going over the horizon, a close call, i only flew it for about 3 mins as the visibility was going making it hard to distinguish when side on. She took a video which i will try and upload later. Many thanks to the wife for a very good launch which was only her second, the first was a couple of minutes earlier on an old foamie to see if she could do it ok. Challenge is not over yet, i still have to finish the covering and put some tissue and thinned pva over the canopy which i ended up making from polystyrene, i was surprised how well it sanded. Final update on the challenge later with some pictures of the finished plane, i am confidant of a result for me but the Mrs is still on her 7th book, once read she still has to go back and read the last volume of War & Peace before midnight...........

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Edited By martin collins 1 on 20/01/2020 18:00:53

Edited By martin collins 1 on 20/01/2020 18:01:56

ken anderson.20/01/2020 18:12:27
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well done that man....thumbs up

ken anderson...ne..1 records dept.

Chris Bott - Moderator20/01/2020 18:12:42
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Fantastic result. Well done that man!

kc20/01/2020 19:18:59
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173 photos

Well I was one of the people who thought it wouldn't be possible........but clearly I was wrong! Congratulations. One for the Guiness Book of Records perhaps?

Brian Neasham20/01/2020 20:17:18
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5 photos

Excellent, a great story, has inspired me to make a start on the 48 inch version I have had for at least the last 15 years!

martin collins 121/01/2020 00:29:12
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443 forum posts
199 photos

Te dah, end of the 7 day challenge, here is the result, one finished Tucano which flew as well today, i think that qualifies as a completed challenge. The paint is still wet on the canopy but it looks like a finished model to me, however i will be putting some trim colours on it to make it more visible on the top as i found it disappeared rather quickly in the poor light at the end of today.

My wife nearly made it but the Viking Britain book took her longer than anticipated, nearly 8 hours as it was a factual book rather than a novel it is a slower read to make sure you are taking it all in. That completed she went back to War & Peace but missed out by 300 pages, 200 of which are the actual story and the last 100 are Tolstoy`s comments. In the end it was a close run thing for both of us, i finished getting the basic covering on with 2 minutes to spare, having almost missed the last flush of daylight to fly it earlier. It feels good to have done the challenge and strangely i feel it was great that it went to the wire and was not completed with ease and a day to spare. I think we will both do something similar again, mine may well be to build another plane. I will post some more pics of the plane once trimmed up on the new models topic as the challenge is now over.... Martin

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Nigel R21/01/2020 09:49:10
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well done!

martin collins 121/01/2020 17:02:16
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Brian, please do make a start on the 48" one, make sure you do a build thread, i have the plan and build article for that one so may have a go at that at some point.........

Paul Marsh21/01/2020 17:46:43
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1233 photos

I built one and Chris did as well. Flies well and very floaty, is hard to just bring it in, as it will float on by.

NH Tuccano  field

Cliff 195922/01/2020 16:45:35
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Well done Martin, we all knew you could do it, congrats.

martin collins 126/01/2020 14:40:27
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Finished pictures now on the new model thread, pleased with the result.............

kc26/01/2020 16:11:37
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How many hours per day did it take and therefore what is the total hours it took to build?

martin collins 126/01/2020 16:20:34
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Don`t know the answer to that, most days i was at work, so starting at around 4pm each day, add in a couple of days for a Sunday and a day off work. Most days worked on it till somewhere between 11pm and midnight..........

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