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 Guédelon Castle

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PaulRyckier
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PaulRyckier

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PostSubject: Guédelon Castle   Guédelon Castle EmptyMon 03 Oct 2016, 19:41

A 13th century castle build along the medieval methods. A project of 25 years.
Especially for Ferval, as it has a lot to do with examples found by archaeologists to reproduce them with methods of that time, which on their turn are found in the medieval literature and pictures.
http://www.telegraph.co.uk/travel/destinations/europe/france/Burgundy/Features/Guedelon-visitor-guide-Secrets-of-the-Castle/




And for those who understand French the whole film from ARTE.
And even if you don't understand it is worthwhile to see the film as all the techniques are viewed...if there is a difficult part you can always speed it up with the cursor Wink ...



Kind regards, Paul.
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Meles meles
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Meles meles

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PostSubject: Re: Guédelon Castle   Guédelon Castle EmptyMon 03 Oct 2016, 20:35

Thanks for that ARTE program Paul. I've been following this project for a good few years now, and it's always interesting to see another program about it, if only to see how things are progressing year by year.

And for English speakers - especially those who that have enjoyed BBC series like "Tudor Monastery Farm' or 'Victorian Farm' etc, there's this 2014 six-part series, 'Secrets of the Castle', (again with historians/experimental archaeologists, if that's the term: Ruth Goodman, Peter Ginn and Tom Pinfold), also set at Chateau Guédelon, indeed quite a bit of the BBC footage appears in the ARTE film (or visa versa). The BBC series certainly isn't a deep historical documentary about medieval castle building, but nevertheless I found it very entertaining and informative (although Ruth's presentation style can be a bit irritating sometimes):

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PaulRyckier
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PaulRyckier

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PostSubject: Re: Guédelon Castle   Guédelon Castle EmptyWed 05 Oct 2016, 22:11

Thank you very much for this BBC film, Meles meles. It is a very good résumé of the French film.
Hope that other members will it enjoy too. There are even more and other items than in the French one

Kind regards, Paul.

Started all kind of trials to find again the BBC films not available anymore on MM's message and found this...
seeking under "secrets of a castle dailymotion"....?



Last edited by PaulRyckier on Sat 10 Apr 2021, 19:16; edited 1 time in total
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PaulRyckier
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PaulRyckier

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PostSubject: Re: Guédelon Castle   Guédelon Castle EmptyThu 06 Oct 2016, 21:03

One further comment Meles meles...

For me it was a revelation how many techniques and craftmanship were already availaible in the 13th century. From hardening iron till the complex construction of the water mill. The middle ages seem as much to be a time of change as any other period of time.

Kind regards, Paul.
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Meles meles
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Meles meles

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PostSubject: Re: Guédelon Castle   Guédelon Castle EmptyWed 12 Oct 2016, 11:19

The practicalities of turning wrought iron into steel, and then hardening that steel by heat treatment, seem to have been worked out long ago in, well, the so-called iron age. Wink

An oft-quoted line from Homer’s Odyssey is:

"… when a man who works as a blacksmith plunges a screaming great axe blade or adze into cold water, treating it for temper, since this is the way steel is made strong, ... "

Which, allowing for the modern language of the translation, still suggests that the basic method of hardening and tempering steel was well-known in the 4th century BC. Admittedly however Homer's description does not make it entirely clear whether this was deliberate quench-hardening, rather than simply cooling, nor whether the required temper was achieved by a deliberate second stage tempering heat-treatment, or was achieved by a simpler, one-stage, slower-cooling method, called slack-quenching. The two methods produce greatly different crystal structures,  and so subtley different mechanical properties. And of course Homer, as a blind poet, may very well have never seen nor understood, the arcane, almost mystical, metal-working methods he was poetically describing.

But you are correct that these are very sophisticated processing techniques, despite being only known in practical terms and which could only be achieved if one had years of experience and followed the established methods with very little deviation. In the days before it was possible to assess metal quality or accurately measure temperature, such blind following of the age-old ways to the letter was essential, although of course I doubt that many medieval artisans could read or write, and so they couldn't commit their own hard won experience to the written word. Of necessity therefore the father-to-son , 'traditional' way of doing things remained very common in a lot of metal processing, even up until quite recently.

For example, raw smelted copper (blister copper) was traditionally refined by "poling" a method of stirring the liquid copper with poles of green ash wood. This was still routinely done into the 20th century (and it may still continue), although it is now known that it is the hydrocarbons and carbon monoxide released by the wood which burn off the impurities ... and so modern foundries usually use natural gas. Similarly, going back to quench-hardening steel, I've seen old descriptions that state the hot metal has to be quenched into "the urine from a ginger-haired boy". Bizarre though this initially sounds, this instruction is not actually so odd now that the processes involved are well understood: urine has a lower thermal conductivity than water, and would produce a slacker quench (conversely quenching in sea water would give a faster quench).  Although I'm not sure what the boy’s hair colour has to do with it (but it worked so best not to question it).

This need for a medieval smith to have years of practical experience is of course a function of lacking knowledge of the science involved, but it is also because there was little way of assessing temperature and material quality, other than than by eye.

I was taught basic blacksmithing at school (I doubt in the modern risk averse culture that 14 year old boys are allowed to hammer red-hot bars of metal to make pocket knives for themselves … but in the 1970s I was). Having studied metallurgy at university I now have a pretty good idea of the science involved, but at 14 I was essentially taught the practical side only, but that was still sufficient to make things. For instance to get the correct degree of temper for say a knife blade as opposed to a screw driver blade, one heated it until the surface oxide was "light straw yellow", for the knife blade, rather than "dark blue" for the screwdriver. (Don’t quote me on those colours I’m years out of practice). Similarly having worked in the metallurgical industry, although of course I would always rely on accurate temperature measurement devices (thermocouples, pyrometers etc) I could roughly estimate the temperature of things in a furnace by the colour of the light. My father, who was a lecturer in engineering but had once been trained in blacksmithing, was even able to tell the carbon content of a steel by the shape and colour of the sparks it produced when touched to a grind stone. But I digress.

Nevertheless going back to the artisans working at Guédelon castle, this need for years of practical experience to be able to judge correctly by eye, largely explains why an armourer, a farrier, a black-smith, a copper-smith, a bronze-smith, a plumber (ie a plombier or lead-smith) etc… were all distinct trades, despite them all working with metal.

It's fascinating to see all these old techniques in use in those Guédelon films.


Last edited by Meles meles on Wed 12 Oct 2016, 19:47; edited 4 times in total
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PaulRyckier
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PostSubject: Re: Guédelon Castle   Guédelon Castle EmptyWed 12 Oct 2016, 19:19

Thank you very much for this reply Meles meles. I read it again with interest, the whole message, each letter...

Kind regards, Paul.
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Hatshepsut
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Hatshepsut

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PostSubject: Re: Guédelon Castle   Guédelon Castle EmptyFri 20 Oct 2017, 12:11

We visited Guedelon in June this year. It has been on my list of places to see for a number of years.

Whilst it's true that it is a unique place - using medieval tools, materials and techniques - it is also a huge moneyspinner for the owners. There are coachloads of people, the car parks are bulging, and the queues for lunch are enormous. The real problem is that the artisans are working at a snails pace - every piece of work is done painfully slowly, with frequent stops to explain things to the audience. When you realise that they have tens of thousands of visitors a years, all paying an entry fee and perhaps buying lunch, you have the unworthy suspicion that they want to prolong the life of the Golden Goose as much as possible. We still enjoyed our day there, but it wasn't the hive of medieval activity that we expected.
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PaulRyckier
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PostSubject: Re: Guédelon Castle   Guédelon Castle EmptyFri 20 Oct 2017, 12:28

Binky, it's the same in Bruges overhere. But with all that money there is a possibility to restore medieval structures. And it is not that much worser than Williamsburg...

Kind regards from your friend Paul.
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Vizzer
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PostSubject: Re: Guédelon Castle   Guédelon Castle EmptySat 10 Apr 2021, 18:14

Hatshepsut wrote:
We visited Guedelon in June this year. It has been on my list of places to see for a number of years.

Whilst it's true that it is a unique place - using medieval tools, materials and techniques - it is also a huge moneyspinner for the owners. There are coachloads of people, the car parks are bulging, and the queues for lunch are enormous. The real problem is that the artisans are working at a snails pace - every piece of work is done painfully slowly, with frequent stops to explain things to the audience. When you realise that they have tens of thousands of visitors a years, all paying an entry fee and perhaps buying lunch, you have the unworthy suspicion that they want to prolong the life of the Golden Goose as much as possible. We still enjoyed our day there, but it wasn't the hive of medieval activity that we expected.

It stands to reason I suppose. The artisans working there have built up skills over more than 20 years, often by trial and error. It's understandable, therefore, that they'll want to maximise the earning potential of their unique abilities. Of course many of them could turn their hands to other restoration projects but such career paths are likely to be insecure and itinerant. Viewed this way, turning the project into a permanent and interactive skills showcase for families and school parties etc makes perfect sense.

As with many other things, the project has been interrupted by the pandemic but according to their website they're hoping to reopen in May:

Guédelon.fr
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PaulRyckier
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PostSubject: Re: Guédelon Castle   Guédelon Castle EmptySun 11 Apr 2021, 17:11

Vizzer wrote:

As with many other things, the project has been interrupted by the pandemic but according to their website they're hoping to reopen in May:

Guédelon.fr
 
Vizzer, as the youtube from MM in his message from 3 october 2016 seems to be removed due to LDS content (I read first LSD!) I searched for the equivalent and found this that I posted in my edit of my message from 5 october 2016. This one I found on Dailymotion...
https://www.dailymotion.com/video/x6syh7p
Kind regards, Paul.
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