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Thread: My custom motorized screen plan

  1. #1
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    Lightbulb My custom motorized screen plan

    Hello all,

    Iíve been poking around this forum off and on for a couple years now and I must say that there is no better place to find info when doing a car pc install. Great site, love it.

    I recently purchased an 87 Nissan 300zx. The radio bay is a 1.5din. Iíve been looking and looking for an affordable solution for my touch screen but have not been impressed by the options. Ideally Iím wanting to have a hideaway screen and separate headunit. I donít want the carputer to run the radio so Iím pretty set on having a headunit too. My issue comes in at this point. How will I fit two 1din units in a bay that is 1.5din. I do not want to tear up my dash making it a double din. And all the units I find that are a radio and a vga touch screen are super expensive and typically ugly.

    Now a quick background before I get into my idea/plan. Iím a PC technician by hobby and career and I love putting things together that are flashy with lights and look good. My most proud creation was my xbox360 case mod.

    Now my plan. I will be fabricating my own motorized screen that will be made to work in my limited space. To accomplish this I will be using a broken cd rom. The mechanism in the cd rom that moves the tray in and out seems like the best idea for this. After taking out all the parts from the cdrom that will not be need (i.e. the laser and motor that spin the disk.) I will be left with a vary roomy box with the tray mechanism in place and functioning. I will then be attaching the screen to the modified tray and cd rom to the screen with some small hinges. On the top back side of the screen I will have a wire that is attached to the cd rom casing. When the screen comes out it will put tension on the wire causing the screen to stand up. Now all the fine details will be worked out during the fabrication (thats just how I work ) but Iíd like to hear thoughts you guys may have on this.

    Now Iíve been looking around and have seen people trying to make their own motorized screen before and having a hard time working everything out, but I feel fairly confident that using the cdrom will make it extremely possible and easy. So please no bashing on how itís not gonna work or how I should just buy a pre-made one. When Iím done I would have saved about $200 and had to joy of creating something myself. So, let me know what you guys think.

    PatDaRat

  2. #2
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    I think you'll find the CD-ROM mechanism isn't strong enough to push out while tension on the wire pulls the screen up.

    Also, I think you'll find that the wire is springy, making using it as a touch screen difficult and allowing it to bounce as the car hits bumps.
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    i actually thought of that issue after posting :P. But by replacing the motor with one a litte more powerfull i think i can overcome that issue. And as far as the screen staying in place, the wire will keep it from going forward and i plan to have feet on the back side of the screen to keep it from bouncing backward while using the screen. Like i said the minor details will be worked out as i put things together. But those are good things to point out.

  4. #4
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    Quote Originally Posted by PatDaRat View Post
    Like i said the minor details will be worked out as i put things together.
    This is the wrong way to approach any design. Everything to do with design should be worked out prior to build.
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    Quote Originally Posted by Maheriano View Post
    This is the wrong way to approach any design. Everything to do with design should be worked out prior to build.
    i thank you for you thoughts. but to eatch their own. i personaly like creating a challange for myself. and whats the point of doing something if its not fun the entire time your doing it. i find planning everything out although being a good idea is less entertaining overall.

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    I like figuring out things as I go along too. I get the major points straight in my head and then go for it. Anyway, I was thinking maybe a flip down screen would be easier. slide out the screen and when it gets out far enough gravity would take over. Of course, getting it back in might be problematic. Keeping it still while you use it and driving would need to be figured out too.

    Ron

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    i don't know, i can see both sides-- usually, by posting on a forum, i take it as looking for help, and thinking about it, and planning before building

    but, i can also see doing it as you are--but, i usually go at it and figure it out as i go, and then post the results

    either way, enjoy the project, keep some spare cd drives nearby cause the first one might not work out so good...

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    i am indeed looking for suggestions and insight from people on my attempt. As bug pointed out im more then likely gonna have issues with the wire being a little springy. So this is somthing i will look into when purchasing the wire or w/e im gonna use to make the screen flip upright.

    @RonsRed88 - Givin the spot i have to work with i just might have it be a flip down, i could go either way with it. But yes the getting it to flip back up part will be a trick. Dunno really, guess ill cross that road when i get to it.

    Ill have my screen ordered by the 15th so that week will the be the week of my build. Ill post pics and progress on this project for anyone who may be interested.

  9. #9
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    Flip down is the only way you'll pull off something your happy with. You would need a dual track design for a slide up which would require the planning you don't want to put in.

    the only warning i'll give you is that I can promise it will be more expensive then an off the shelf unit. You never realize it until you look back at the completed project and find all the little things you spent money on to pull it off.

    Flip down is fairly easy if your mechanically talented just keep the screen hinge angle high enough that you can pull it back up.

  10. #10
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    lol... people on here are so negative. Come up with what you think is a good idea and people will poke holes in it fully believing that it cant be done. All i gotta say is, only time will tell and negative nelly never accomplished anything.

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