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Need Help With Drop Boxes!?..

Discussion in 'Special Effects' started by btfilms, Feb 2, 2007.

  1. btfilms

    btfilms Member

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    Hello. Does anyone know how to build a Drop Box here. all we are dropping is one sheet of cloth about 8 feet by 16 feet and then a whole bunch of 1.5" glitter flakes.
     
  2. Van

    Van CBMod CB Mods Premium Member

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    Sure ! I've built a ton of them. What's your situation. Theatre? Sound stage? How heavy is your fabric? How are your electric skills ? Rigging a box to drop via a solenoid isquite simple but it does require a modicum of skill with wood, electrics, and rigging. How big of an area do want the drop to happen over, eg. a 8 " wide x 6' long box Or do you want the banner to drop in the middle of stage and other boxes located all over the place so the drop happens over a whole large area. ?????
    ??
     
  3. Footer

    Footer Senior Team Senior Team Premium Member

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    I'm sure Van has your answer. Just be sure whatever you rig (pull string release or solenoid) that you figure out where any vents are in the space that can blow the fabric off course. Yes I know if sounds like that is stupid, but getting fabric to drop just how you want it take a bit of skill and practice. How it is folded and how/if it is attached to the box in any way (small pieces of gaff) can really make a difference in how it flies.
     
  4. btfilms

    btfilms Member

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    well the fabric is probably going to a pretty light fabric. the glitter is well just nylon circle pieces. The fabric will drop down about 20 feet. it will be 8 feet wide. we are planning on doing just one in the center. the show is Dreamgirls by the way. I don't know if you know that show. but it will drop down for a photo shoot. also for the glitter its for the finally and i want a like waterfall of glitter to drop down. i don't no if drop boxes are the answer to it but it was the first thing that came to mind. my skills are decent. i have done a lot of rigging and electric work. but my hope is that the boxes will be rigged for a pull string b/c i really don't want to mess with the electrics. i hope this helps you figure out what i need to do. THANKS!
     
  5. Footer

    Footer Senior Team Senior Team Premium Member

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    Is it going to fall on someone, or just fall? Fishing weights on the bottom of the unit might help it fly better. Building the box is rather easy, and just rig a loose pin hinge to it, and make sure the pin only has enough travel to release and then can't go any further. They aren't that hard to do, and I am sure you will be able to do it. Just get enough lead time so you can test it/trouble shoot it to get the fabric to fly the way you want, because half the time if not properly folded it just falls in whatever chunk it is folded in.
     
  6. btfilms

    btfilms Member

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    its just going to fall. its going to fall behind someone standing about 4 feet in front of it.
     
  7. avkid

    avkid Not a New User Fight Leukemia

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    I assuming you mean for this scene:
     
    Last edited: Nov 22, 2007
  8. avkid

    avkid Not a New User Fight Leukemia

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    If you want a glitter effect, a fiber optic curtain is really the best way to do it. It can look innocuous when not illuminated, but when lit it sparkles.
     
  9. btfilms

    btfilms Member

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    yup thats the scene and we don't got the budget for the fiber optic curtain. that would be really nice but we got to do with what we can afford
     
  10. avkid

    avkid Not a New User Fight Leukemia

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    Where are you located?
     
  11. btfilms

    btfilms Member

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    Arlington Virginia.
     
  12. avkid

    avkid Not a New User Fight Leukemia

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    Do you have a local drape supplier that you maintain a good relationship with?
     
  13. btfilms

    btfilms Member

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    no... not really
     
  14. Van

    Van CBMod CB Mods Premium Member

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    Ok Sorry to be dense here, and I want to make sure I have everything right. Arfe we talking about two seperate effects ? < i'm not using the word drop intentionally, since I don't want to confuse myself or anyone else, and make them think I'm talking about a curtain when I say drop>
    From you second post I gathered that the fabric is a "backdrop" for the photoshoot scene. Does it need to go away after that scene ? If so you'll want to do a "roll-drop" more than likely. How large of an area do you want to drop the glitter over ? I'm thinking and 8 foot wide box Or do you need something wider. Actually the Electrical actuation of a drop box is quite simple and the parts are easily availible from Grainger. The Solenoids I prefer using are 120 and can be wired directly to a dimmer so it makes triggering them as easy as bumping a channel , or if you prefer run cable to a backstage area, near the P.A. or A.S.M. and they can trigger it with an aux. power switch.
    So you answer those two questions and I'd be happy to draw you something.
     
  15. btfilms

    btfilms Member

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    The drape dose have to go away after that number. and yes a 8' wide box to drop the glitter is fine. we might have 2 one on both sides of the stage. thanks. if you could draw something up. that would help a lot!!! Thanks again.

    Ben troung
     
  16. Footer

    Footer Senior Team Senior Team Premium Member

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    Would have to agree with Van, I thought you wanted a piece of fabric to come out of a drop box then fall on the floor, not that you wanted a backdrop for a scene. A roll drop would be the way to go if you do not have fly space. If you want the glitter to come down you could rig it in a snow bag of sorts (if you want more info on that, just ask).
     
  17. btfilms

    btfilms Member

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    ya. we have a 50 year old hand crank fly system which is very very noise but we are going to hang it off one of the poles. I was thinking about doing a snow bag. but there are very big vents above the pipes so there would be glitter falling through out the whole show. which is not wanted at all. and this is for the very end of the show so it would have to last that long.
     
  18. Van

    Van CBMod CB Mods Premium Member

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    Cool,If my wife will let me, I'll work on something tonight at home. I have a date with my daughter to watch " Barbi's Fairytopia: Mermaidia" So I might not get it 'till the morning. Had to come in to work and build a necklace and tiara for a photo shoot in the morning, so the wife might insist on some quality "Weekend Time".
    :grin:
     
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  19. btfilms

    btfilms Member

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    its all good. take your time. the lumber isn't coming in till tuesday so we can't really do to much right now. thanks though!! I owe you one!
     
  20. Van

    Van CBMod CB Mods Premium Member

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    Sorry I got slammed at the last minute. Apparently I'm supposed to be a good Husband and get all my work done at home and on the job. Don't these people realize I've got ControlBooth issues to take care of ????? here's a drawing of a rolldrop config. I throw some instructions together and throw a drawing of the drop boxes together as well and post them asap.
     
    Last edited: Jul 15, 2008

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