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any tips on how to tension a pull down screen

Discussion in 'Projectors, Screens & Video Processors' started by chic, Jun 15, 2002.

  1. chic

    chic
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    just got my loan panny & my draper luma pull down screen set up and as the screen is not tentioned i have noticed some ripples when watching a movie anyone have some diy tips to tension the screen.
     
  2. LV426

    LV426
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    Knicker elastic and bulldog clips. (Honestly!)
     
  3. maj74

    maj74
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    Hopefully the screen is slightly wider than you need it.

    1. Unroll screen completely.

    2. cut shallow curve into left and right sides starting at top and bottom maybe 7/8 cms in at the half way point. Make sure they're exactly the same on both sides.

    3. Come up with some sort of tabs (loops) to attach at regular intervals down each side. Or, puch eyelet holes at regular intervals.

    4. Attach thin elastic cord to top hole/tab and then pass through each tab/hole on the way down. Repeat the same for the ohter side.

    5. make sure your bar across bottom of screen is sufficiently weighted to exceed the pull up from the elasticated cords.

    6. the weight from the bar at the bottom, combined with the inwards curve of the side of the screen, means the elastic will pull the screen tight sideways, while the weighted bar will keep it tight vertically. And the beauty is it should still roll up cleanly.

    7. if necessary, repaint your blcack left and right border (slightly) narrower.
     
  4. chic

    chic
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    thanks i try that
     
  5. Timh

    Timh
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    Chic

    I also had to put some tension into my Da-lite screen.
    I fitted a plastic 22mm copper pipe clip to the rear of my floor standing speakers, the weight bar of my screen just happens to be 22mm pipe.
    I fitted them approx 5mm lower than they should be to create some tension. If you are interested I will post a photo of it.
     
  6. chic

    chic
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    a picture would be helpfull tim
     
  7. Timh

    Timh
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    First pic shows the weight bar next to the 22mm pipe clip, please note I had to cut away part of the clip so the bar would push in and out with not to much force, but it is tight enough to hold the bar in place, in this position the speakers have to be slightly over the black border around the screen, I am shaw it could be addapted to fix to the wall instead, leaving your speakers free.
     

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  8. Timh

    Timh
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    Second picture shows the bar clipped into place, this seems to be good enough to take out a bad wave I had on panning shots.
     

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  9. chic

    chic
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    cheers tim i will try that
     
  10. Geoffc10

    Geoffc10
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    Thats the very reason for people going for a fixed frame screen, not much good in a living room i know, but having one of these screens in the front room is just too much for me.
     

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