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« Respuesta #30 en: 13 de Abril de 2009, 08:37:02 »

 Va ha ser un maldito monstruo
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« Respuesta #31 en: 21 de Julio de 2009, 12:01:39 »

Aqui les dejo esta informacion de como fue construido The Claw esta pagina llamada: www.LightSoundJournal.com y que muestra y nos dice los componentes de la iluminacion, las pantallas 360º y la infraestrutura de La Garra! de los Irish!

The first RSS multi-language online newspaper of Pro Lighting, Audio and Video

 
Kinesys ‘Transforms’ U2’s 360° Video Screen 21-07-2009

Kinesys designed and supplied the bespoke motion control system that moves and shapes the 'transforming' video screen for U2's 360° world tour
 


 
UK based automation experts Kinesys designed and supplied the bespoke motion control system that moves and shapes the 'transforming' video screen for U2's 360° world tour.  The system consists of 40 Kinesys Evo zero-speed chain hoists and 8 custom built winches, all controlled by their K2 3D software control package.

Kinesys' Dave Weatherhead comments, "This was the heaviest, most complex and interconnected system we have undertaken to date, with 48 motors following unique motion profiles to allow the deployment of over 52 tonnes of video screen."



The screen was originally conceived by Willie Williams and Mark Fisher, long term creative collaborators on U2 shows. New York based designers/architects Hoberman Associates assisted Innovative Designs in engineering and realising the revolutionary centrepiece for the show, which consists of 888 individual hexagonal panels which support 500,000 Barco LED pixels.  The entire structure can ‘stretch’ from its 7m compressed height to over 22m at full extension forming a conical shape as it expands.

The screen structure hangs in the middle of the giant 4-legged "claw" structure that sits centrally in the stadium with the stage below allowing the audience to surround it and offering superb sightlines from all angles.

It weighs 52 tonnes including the supporting trussing and this is what Kinesys was tasked with moving into its different shapes and sizes. Kinesys worked closely with Nick Evans, who was co-ordinating all the technical aspects of the tour for promoters Live Nation, and Jeremy Lloyd of Stufish to ensure the seamless integration of the automation element into the overall structure.

The 40 Kinesys Evo chain hoists – 16 x 2 tonne and 24 x 1 tonne – are connected to the screen structure at equal intervals and at four different heights.  These then move, following pre-defined non-linear paths to ensure that the screen is deployed in a fashion that is both structurally sound as well as visually pleasing.  Hoberman supplied Kinesys with the movement profiles in the form of a spreadsheet which was then imported directly into K2 and referenced by each of the 40 chain hoists.  Millimetre accurate tracking of the profiles was essential to maintain the structural integrity of the screen, and complex algorithms were employed within K2 to ensure that the real world followed the theoretical at all times.
The hoists associated with the different levels within the screen move at notably different speeds. The uppermost hoists at times travel at less than 1 mm a second, while the ones nearest the bottom of the screen move at over 160 mm a second when the screen is deployed at full speed.


The screen is flown up and down by 8 x 7.5 tonne winches running synchronously. These are capable of speeds of up to half a metre a second - although some of the moves involve travelling just 2m over 5 minutes, resulting in the very slow and smooth movement required.

The winch design resulted in large numbers all round!  The winch self-weight is 2.5 tonnes with the gearbox alone weighing over 1 tonne.  A single ultra-compacted 28mm diameter steel wire rope provides the connection to the screen with a breaking load of over 75 tonnes, giving a 10:1 safety factor for each rope.  Each winch is driven by a 37kW motor powered by a 45kW drive unit.

The same safety technology is employed in both the winches and the hoists.  Four limit switches, dual encoders, dual brakes with monitoring and a load cell make up the comprehensive safety package implemented in each device.

Additionally, Kinesys is supplying the tour with control for 10 fixed-speed chain hoists controlled by an Elevation 24.  These hoists fly 4 lighting trusses bordering the screen into position at the start of the show.

Nick Evans comments, "The K2 system is the ideal tool for controlling the U2 screen, the operator only controls 2 parameters; the degree to which the screen is opened and the overall height of the screen, K2 does everything else. Kinesys has provided the tour with an excellent service, and working with them reminded me of why I enjoy my work so much. Nothing seemed to faze them, even when the requested safe working load increased by a tonne per winch .... it was all considered and taken in their stride.  All this, plus they were on time and on budget, who could ask for more?"

Jeremy Lloyd of Stufish adds, “It's again been a pleasure working with the Kinesys team. They always deliver high quality, innovative products that are well packaged for the touring environment. There's only a handful of automation suppliers with the experience and technical expertise to deliver a system as complex as was required for U2 360, and on this occasion Kinesys proposed and delivered the most appropriate package at a competitive price.”
 

Info:  www.kinesys.co.uk

SALU2 Y ZOOERTE

FHER!"U2"

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Twitter: @U2FERDM


 
 


« Última modificación: 21 de Julio de 2009, 12:19:08 por feru2 » En línea
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« Respuesta #32 en: 23 de Julio de 2009, 10:45:35 »

U2 'claw' gets a grip on Croke Park ahead of homecoming gig

RONAN McGREEVY
AS A live band, U2 are used to making gargantuan statements of intent, as evidenced by their Zoo TV and Pop Mart tours.

Nothing the band has attempted before compares, though, to the giant claw-like edifice which will be the band’s stage for their homecoming concerts starting tomorrow night.

Standing 60 metres tall, it is nearly as high as the stands surrounding it on three sides at Croke Park. The four sides of the claw extend across a third of the pitch.

A small army of crew were yesterday putting in place the lighting and sound, and sweeping rainwater from the stage area which is dwarfed by the roof overhead.

The set is meant to achieve a sense of intimacy allowing the audience to get close to the band, yet also creating a sense of scale.

“It is the biggest of all time. It is bigger than anything U2 or The Rolling Stones have done previously,” said tour director Craig Evans.

He added the band had been talking about playing their home town for a “long, long time”.

Mr Evans declined to say how much the stage set-up has cost, but it was “more than I would be thinking about”.

U2, he explained, think about what they want from their live gigs and then think about the costs afterwards.

“I’ve never seen them consider it from that point of view [money]. It was about doing what it takes to provide the show for the fans,” he said, though he conceded their 360 tour was “still a very successful business”. The concert will have the biggest video screens for a concert and a specially designed sound system. Despite the technological wizardry, the challenge of playing fully in the round has been defeated by the layout of Croke Park because the terraced Hill 16 end presents health and safety issues.

“We looked at every option we could to play the full 360° show that we have been taking to every stadium,” said Evans. “Unfortunately, with the power and the access that goes into that area, and the safety and sound requirements, it simply does not allow us to do it.” However, fans will be able to go to the pitch area at the back of the stage giving a semblance of the band playing in the round.

Gardaí have issued warnings about traffic restrictions around Croke Park which are likely to be particularly heavy for tomorrow and Monday’s concerts because it coincides with rush-hour. They are also warning of potential heavy volumes on Monday when Ikea opens in Ballymun.

Though fans are coming from all over the world, the concerts tomorrow and Monday are not yet sold out. However, the Irish Hotels’ Federation is reporting the busiest weekend of the year in the capital with most hotels booked out.

The forecast is not good, and fans are urged to bring their rain gear. Heavy showers are forecast for tomorrow evening.

The concerts have raised the ire of local residents because of the concerts and the disruption involved in constructing and dismantling the stage.

Croke Park stadium director Peter McKenna said they were talking to residents. “We are trying to limit the impact these concerts will have and those discussions are ongoing. We are very conscious this is having a huge impact on residents,” he said.

Stage facts: the 360˚ tour

U2 have three custom-built “claw” stages for their tour.
While one is in use, another is being dismantled and a third is being constructed for the next concert venue.
The stage designer is Willie Williams, who has been with U2 since 1982. Mark Fisher serves as architect.
A total of 189 trucks transport the stages around. There are 380 drivers and 12 buses.
The U2 entourage constitutes 550 people.
The video screens weigh 56 tonnes.
The claw-like edifice can take 165 tonnes of equipment freeing up more pitchside space for fans.



http://www.irishtimes.com/newspaper/ireland/2009/0723/1224251143233.html
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