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Audio and Video Talk
Audio Visual Technology
Retractable projector screens
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<blockquote data-quote="chrisc" data-source="post: 747246" data-attributes="member: 746"><p>The computer club needed a pull-down screen 3500mm across and after a good deal of searching in vain, made up one</p><p></p><p>The white vinyl came from a curtain shop, they described it as "high-white block-out"</p><p>The enclosure is a 50mm plastic tube, chosen since end caps can be screwed to the open ends. The tube is 3800mm long and stiff enough to allow a 5mm slot to be cut in for 3500mm of its length</p><p>The retractable unit consists of two heavy duty roller-blind mechanisms</p><p>The top and bottom rails are made of timber, 60mm x 20mm and the plastic was overlapped and glued to the timber, and a pull cord was attached to the bottom rail</p><p></p><p>It has now been in use for 7 years and is permanently mounted on stand-off brackets at the meeting venue and is used by two clubs and the school staff</p><p></p><p>The projector is mounted about 4.5 metres from the screen. This picture was taken at the Hi-Fi Club's talk "The Illnesses of the Great Composers" given by Prof A Forder</p><p></p><p><img src="http://i.imgur.com/adyIchk.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="chrisc, post: 747246, member: 746"] The computer club needed a pull-down screen 3500mm across and after a good deal of searching in vain, made up one The white vinyl came from a curtain shop, they described it as "high-white block-out" The enclosure is a 50mm plastic tube, chosen since end caps can be screwed to the open ends. The tube is 3800mm long and stiff enough to allow a 5mm slot to be cut in for 3500mm of its length The retractable unit consists of two heavy duty roller-blind mechanisms The top and bottom rails are made of timber, 60mm x 20mm and the plastic was overlapped and glued to the timber, and a pull cord was attached to the bottom rail It has now been in use for 7 years and is permanently mounted on stand-off brackets at the meeting venue and is used by two clubs and the school staff The projector is mounted about 4.5 metres from the screen. This picture was taken at the Hi-Fi Club's talk "The Illnesses of the Great Composers" given by Prof A Forder [IMG]http://i.imgur.com/adyIchk.jpg[/IMG] [/QUOTE]
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Audio and Video Talk
Audio Visual Technology
Retractable projector screens
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