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Thread: Hard drive shock / vibration thoughts

  1. #51
    Self proclaimed spoon feeder TruckinMP3's Avatar
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    Quote Originally Posted by alienjj
    When I was building my carputer, I kept thinking of ways of to protect my hard drive and this is what I came up with.

    To fit in my van, I decided to mount the hard drive vertically. So I figured out a way to mount it using long little screws that screws attached to plexiglass, then I figured why not have them move so if it hit a bump it could move like a shock absorber. So i went to home depot and looked for some small pieces of rubber, and i found them in the plumbing department they compress down and then pop back up, they are about the size of finger in circumferance, and about a centimeter tall. There was some extra space when i put them in, so i filled it will small squares of cardboard stacked on top of each other till it was tight. Now it moves just enough to absorb shock and vibration and is strong enough that it doesnt just move around all the time.

    So, basically this creates a shock absorber, just like in a car.

    That is great, you have added additional motion and potentially a cause for failure to your set up.... Excellent.
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  2. #52
    Raw Wave justintime's Avatar
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    I would be much more worried about temperature changes than vibration. I would bet that a HD in a car is much more prone to fail because you parked it at 20 degrees Farenheit overnight in winter (every night, all winter), and then heated the hell out of it with your car heater and self-emmited heat.

  3. #53
    Self proclaimed spoon feeder TruckinMP3's Avatar
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    Quote Originally Posted by justintime
    I would be much more worried about temperature changes than vibration. I would bet that a HD in a car is much more prone to fail because you parked it at 20 degrees Farenheit overnight in winter (every night, all winter), and then heated the hell out of it with your car heater and self-emmited heat.
    Gods... no one reads anymore .... this also has been covered. Some drives with Fluid Dynamic Bearings (FDB) have trouble in low temps.... many have no trouble at all.
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  4. #54
    Newbie mxl4729's Avatar
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    Not that I am going to change anyone's mind here but I am an engineer for Veeco we make the ion deposition machines that make hard drives. One of the process that goes into making a hard drive is coating the platters with a plasma of carbon atoms that once it has harden is almost as hard as diamonds and the structure closely resembles the molecular structure of diamonds. this is the reason you hard drive does not fail when u go over bumps because the heads have no way of scratching the surface of a platter that hard

  5. #55
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    Quote Originally Posted by TruckinMP3
    That is great, you have added additional motion and potentially a cause for failure to your set up.... Excellent.
    Actually it moves very little, like with just normal driving it doesn't move, but i've watched when hitting a pot hole and the hole car jolts down really fast the hard drive will move but softly, instead of a jolt, and then return to its original position, and not bounce around like if you had it hanging from bungie cords or something.
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  6. #56
    Low Bitrate unixxx's Avatar
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    Thumbs up

    Many people have mentioned mounting the hard drive on springs like a car and many people have mentioned how detrimental the continual movement from this setup can be. But why has no one ever combined the two ideas. If cars only had springs they'd bounce like a b!@#$ just like your hard drive will if it's only on springs. This is why cars have shock absorbers, to remove any remaining bounce the spings might have after being compressed and then released. If the drive were on springs and had shocks you'd get a more ideal setup; the drive would no longer bounce ten times for every one time the car bounced. Most definately overkill, but just a thought.
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  7. #57
    Self proclaimed spoon feeder TruckinMP3's Avatar
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    Quote Originally Posted by unixxx
    Many people have mentioned mounting the hard drive on springs like a car and many people have mentioned how detrimental the continual movement from this setup can be. But why has no one ever combined the two ideas. If cars only had springs they'd bounce like a b!@#$ just like your hard drive will if it's only on springs. This is why cars have shock absorbers, to remove any remaining bounce the spings might have after being compressed and then released. If the drive were on springs and had shocks you'd get a more ideal setup; the drive would no longer bounce ten times for every one time the car bounced. Most definately overkill, but just a thought.
    Actually that has been covered as well. Damping systems is what you are refering to.

    If you are interested in expensive solutions to problems that do not exist, go ahead and build one.
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  8. #58
    Neither darque nor pervert DarquePervert's Avatar
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    (Sorry for the crappy photos!)

    I used the rubber feet from the Shuttle case I'm using. The hard drive is bolted right to the lid of the Shuttle case, which will be mounted upside-down under the dash (making the drive parallel to the ground).

    I've got to agree with the consensus that vibration and shock on the hard drive is a really minimal issue.
    I'm wondering how many people who have had HDDs die in their cars would have had the same HDD die in a desktop. We'll likely never know, but it's interesting speculation.
    Have you looked in the FAQ yet?
    How about the Wiki?



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  9. #59
    Low Bitrate unixxx's Avatar
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    Wink

    Quote Originally Posted by TruckinMP3
    Actually that has been covered as well. Damping systems is what you are refering to.

    If you are interested in expensive solutions to problems that do not exist, go ahead and build one.
    Hence, "Most definately overkill, but just a thought." Even if there were a problem it would be cheaper to just keep buying new drives on eBay.
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  10. #60
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    Yeh, def not cheaper when it's a 500 GB hard drive
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