If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to register before you can post: click the register link above to proceed. To start viewing messages, select the forum that you want to visit from the selection below. |
|
|
Thread Tools | Rate Thread | Display Modes |
#76
|
|||
|
|||
Disposing of a hard drive.
On 6/15/2018 12:47 PM, Bill Ward wrote:
Most hard drives seem quite indestructible. What is the best method of disposal ? I do live on the coast with some 500ft high cliffs nearby. Bill. Just software wipe the whole disk and give it up to a recycler. |
Ads |
#77
|
|||
|
|||
Disposing of a hard drive.
Bill Ward wrote:
On 16/06/2018 02:55, Arnie Goetchius wrote: Ant wrote: Bill Ward wrote: Most hard drives seem quite indestructible. What is the best method of disposal ? I do live on the coast with some 500ft high cliffs nearby. Bill. Throw it into a volcano. :P We have a local (NJ) recycling company that has a shredder which will shred your drive into small pieces so it is completely unusable. They charge $5 per drive and you can stand there a watch them do it. Did they dispose of Jimmy Hoffa as well ? I don't think they shred concrete :-) Some kidnappers here once fed the victims body to pigs. Bill. |
#78
|
|||
|
|||
Disposing of a hard drive.
On 17/06/2018 02:17, Paul wrote:
Rene Lamontagne wrote: On 06/16/2018 6:45 PM, Bill Ward wrote: On 17/06/2018 00:31, Wolf K wrote: On 2018-06-16 19:28, Bill Ward wrote: On 16/06/2018 05:42, NotMe wrote: [...] All the screws are not visible, some are hidden under labels and stickers. Takes about ten minutes to completely dissemble, worth it for the magnets. The magnets must be buried so deep as not to attract anything. Bill. Shielded by the steel case. Right. Bill. The 2 magnets, 1 on each side of the voice coil are glued to the 2 mounting brackets which are made of Mu-Metal which is a magnetic shielding material. Rene Another name for the function, might be "flux concentrator". If it was Mu Metal, it would cost a fortune. Compared to some other, less ideal materials. ** Paul Strange I had not heard of Mu Metal for many years since I worked for an aero space company. Bill. |
#79
|
|||
|
|||
Disposing of a hard drive.
On 17/06/2018 02:09, Paul wrote:
Bill Ward wrote: On 16/06/2018 20:39, Paul wrote: Mark Lloyd wrote: On 06/15/2018 01:22 PM, Bill Ward wrote: [snip] I've never managed to take one apart. Is there a Youtube video for it? Bill. I've never needed a video to remove a few screws, especially from something that wasn't going to be reassembled afterward. You'll need a video to get the Helium ones open. And a can opener. The lid is laser-welded to make it gas-tight. Â*Â*Â* Paul There was an article the other week that the younger generation are unable to open a Fray Bentos tin of steak pie and it has had to be redesigned. Bill. I thought you just swallowed those whole ? I see in a news site article, the secret is: Â*Â* "we have concluded that the cans require a robust 'cut from the top' Â*Â*Â* opener rather than a 'cut from the side' opener. Â*Â* " It's a good thing when I was born, each of us was given a "cut from the top" opener, in an effort to avoid starvation. This is the one you want, because it has a bit of mechanical advantage. https://www.walmart.com/ip/Amco-407-...orted/15204013 Electric can openers are so 1960's. Even when the power goes off... I can eat. I even have two different camp stoves and fuel, for those "special eating moments". I don't know though, how well a steak pie would do on a camp stove. I suppose a microwave burrito wouldn't be too happy either. (One of the guys at work swore those were "excellent for breakfast".) Â*Â* Paul We bought an battery operated can opener a couple of years ago. It was totally useless and languishes in a kitchen drawer. When camping have you ever covered a hedgehog in clay and baked it over a fire? Bill. |
#80
|
|||
|
|||
Disposing of a hard drive.
On 17/06/2018 14:03, Arnie Goetchius wrote:
Bill Ward wrote: On 16/06/2018 02:55, Arnie Goetchius wrote: Ant wrote: Bill Ward wrote: Most hard drives seem quite indestructible. What is the best method of disposal ? I do live on the coast with some 500ft high cliffs nearby. Bill. Throw it into a volcano. :P We have a local (NJ) recycling company that has a shredder which will shred your drive into small pieces so it is completely unusable. They charge $5 per drive and you can stand there a watch them do it. Did they dispose of Jimmy Hoffa as well ? I don't think they shred concrete :-) Some kidnappers here once fed the victims body to pigs. Bill. Before fitting his concrete waistcoat. British gangsters the Kray Twins were reputed to have had bodies disposed on under the A3 during its construction. They evidently terrified Sonny Liston by taking him for a fast ride down it. Bill. |
#81
|
|||
|
|||
Disposing of a hard drive.
On 17/06/2018 14:26, BurfordTJustice wrote:
Firing range. "Bill Ward" wrote in message news : Most hard drives seem quite indestructible. What is the best method of : disposal ? I do live on the coast with some 500ft high cliffs nearby. : Bill. There is military one fairly near but no access for the public. A race horse once got on to it and was never seen again. Bill. |
#82
|
|||
|
|||
Disposing of a hard drive.
Bill Ward wrote:
We bought an battery operated can opener a couple of years ago. It was totally useless and languishes in a kitchen drawer. When camping have you ever covered a hedgehog in clay and baked it over a fire? Bill. I can't say that I have :-) I take it the hedgehog wasn't too happy about this. I think I'd rather have "rabbit pie", which is actually cooked in a casserole dish which is filled 4 inches deep with "stuff". Where I lived, we used to get all sorts of street vendors coming to the door, and one individual would (infrequently) sell braces of rabbits at the door (from snares). And we'd have rabbit pie. It's a lot of work making rabbit pie, de-boning the meat and so on. The rabbit meat is cooked before being added to the pie and the pie crust on top gets baked. Paul |
#83
|
|||
|
|||
Disposing of a hard drive.
On 06/17/2018 3:28 PM, Bill Ward wrote:
On 17/06/2018 02:17, Paul wrote: Rene Lamontagne wrote: On 06/16/2018 6:45 PM, Bill Ward wrote: On 17/06/2018 00:31, Wolf K wrote: On 2018-06-16 19:28, Bill Ward wrote: On 16/06/2018 05:42, NotMe wrote: [...] All the screws are not visible, some are hidden under labels and stickers. Takes about ten minutes to completely dissemble, worth it for the magnets. The magnets must be buried so deep as not to attract anything. Bill. Shielded by the steel case. Right. Bill. The 2 magnets, 1 on each side of the voice coil are glued to the 2 mounting brackets which are made of Mu-Metal which is a magnetic shielding material. Rene Another name for the function, might be "flux concentrator". If it was Mu Metal, it would cost a fortune. Compared to some other, less ideal materials. *** Paul Strange I had not heard of Mu Metal for many years since I worked for an aero space company. Bill. How about Permalloy? Rene |
#84
|
|||
|
|||
Disposing of a hard drive.
In article
Bill Ward wrote: Most hard drives seem quite indestructible. What is the best method of disposal ? I do live on the coast with some 500ft high cliffs nearby. Bill. Soak 2-3 days in bleach. |
#85
|
|||
|
|||
Disposing of a hard drive.
On 6/16/2018 8:05 PM, Rene Lamontagne wrote:
On 06/16/2018 6:45 PM, Bill Ward wrote: On 17/06/2018 00:31, Wolf K wrote: On 2018-06-16 19:28, Bill Ward wrote: On 16/06/2018 05:42, NotMe wrote: [...] All the screws are not visible, some are hidden under labels and stickers. Takes about ten minutes to completely dissemble, worth it for the magnets. The magnets must be buried so deep as not to attract anything. Bill. Shielded by the steel case. Right. Bill. The 2 magnets, 1 on each side of the voice coil are glued to the 2 mounting brackets which are made of Mu-Metal which is a magnetic shielding material. Rene All this talk of hard drive disassembly and salvaging strong magnets talk motivated me to take an old drive apart. No problem at all pulling the cover, but somehow I can't seem to find these magnets or even that voice coil thingy. Maybe someone can point it out on my drive? Here's a cover off top view: https://www.dropbox.com/s/8lhnybzho0sgh5m/Z_4665.jpg Else maybe it's somewhere underneath: https://www.dropbox.com/s/p6ogcj5h9tlhjpp/Z_4649.jpg -- == Later... Ron C -- |
#86
|
|||
|
|||
Disposing of a hard drive.
On 06/17/2018 6:40 PM, Ron C wrote:
On 6/16/2018 8:05 PM, Rene Lamontagne wrote: On 06/16/2018 6:45 PM, Bill Ward wrote: On 17/06/2018 00:31, Wolf K wrote: On 2018-06-16 19:28, Bill Ward wrote: On 16/06/2018 05:42, NotMe wrote: [...] All the screws are not visible, some are hidden under labels and stickers. Takes about ten minutes to completely dissemble, worth it for the magnets. The magnets must be buried so deep as not to attract anything. Bill. Shielded by the steel case. Right. Bill. The 2 magnets, 1 on each side of the voice coil are glued to the 2 mounting brackets which are made of Mu-Metal which is a magnetic shielding material. Rene All this talk of hard drive disassembly and salvaging strong magnets talk motivated me to take an old drive apart. No problem at all pulling the cover, but somehow I can't seem to find these magnets or even that voice coil thingy. Maybe someone can point it out on my drive? Here's a cover off top view: https://www.dropbox.com/s/8lhnybzho0sgh5m/Z_4665.jpg Else maybe it's somewhere underneath: https://www.dropbox.com/s/p6ogcj5h9tlhjpp/Z_4649.jpg Sorry Ron, I just don't recognize that drive at all, Maybe you could give us a make and model. Rene |
#87
|
|||
|
|||
Disposing of a hard drive.
Rene Lamontagne wrote:
On 06/17/2018 6:40 PM, Ron C wrote: On 6/16/2018 8:05 PM, Rene Lamontagne wrote: On 06/16/2018 6:45 PM, Bill Ward wrote: On 17/06/2018 00:31, Wolf K wrote: On 2018-06-16 19:28, Bill Ward wrote: On 16/06/2018 05:42, NotMe wrote: [...] All the screws are not visible, some are hidden under labels and stickers. Takes about ten minutes to completely dissemble, worth it for the magnets. The magnets must be buried so deep as not to attract anything. Bill. Shielded by the steel case. Right. Bill. The 2 magnets, 1 on each side of the voice coil are glued to the 2 mounting brackets which are made of Mu-Metal which is a magnetic shielding material. Rene All this talk of hard drive disassembly and salvaging strong magnets talk motivated me to take an old drive apart. No problem at all pulling the cover, but somehow I can't seem to find these magnets or even that voice coil thingy. Maybe someone can point it out on my drive? Here's a cover off top view: https://www.dropbox.com/s/8lhnybzho0sgh5m/Z_4665.jpg Else maybe it's somewhere underneath: https://www.dropbox.com/s/p6ogcj5h9tlhjpp/Z_4649.jpg Sorry Ron, I just don't recognize that drive at all, Maybe you could give us a make and model. Rene The magnets are underneath the steel place in the left part of the left-hand photo. http://hddsurgery.com/blog/hdd-actuator You can see the copper color of the voice coil on the left, peeking out from underneath the steel plate with the two major holes in it. The magnets are underneath that steel plate, in sandwich affair. The drive on the right, uses a stepper to position the arm. The drive on the right is from a *much less dense* era. Using a stepper is about as accurate as the mechanism on a floppy drive. Pick the part number off the ID plate on your hard drive, and give us some numbers. Your drive isn't an ST412 or ST506, as those use a stepper translated to linear radial movement, and the position of the arm actuator matches neither picture above. The ST506 looks different than both of those. ST506 - linear actuator movement... Two motors. No magnets. http://images.computerhistory.org/st...allHDDs_P1.jpg Paul |
#88
|
|||
|
|||
Disposing of a hard drive.
On 6/17/2018 7:56 PM, Rene Lamontagne wrote:
On 06/17/2018 6:40 PM, Ron C wrote: On 6/16/2018 8:05 PM, Rene Lamontagne wrote: On 06/16/2018 6:45 PM, Bill Ward wrote: On 17/06/2018 00:31, Wolf K wrote: On 2018-06-16 19:28, Bill Ward wrote: On 16/06/2018 05:42, NotMe wrote: [...] All the screws are not visible, some are hidden under labels and stickers. Takes about ten minutes to completely dissemble, worth it for the magnets. The magnets must be buried so deep as not to attract anything. Bill. Shielded by the steel case. Right. Bill. The 2 magnets, 1 on each side of the voice coil are glued to the 2 mounting brackets which are made of Mu-Metal which is a magnetic shielding material. Rene All this talk of hard drive disassembly and salvaging strong magnets talk motivated me to take an old drive apart. No problem at all pulling the cover, but somehow I can't seem to find these magnets or even that voice coil thingy. Maybe someone can point it out on my drive? Here's a cover off top view: https://www.dropbox.com/s/8lhnybzho0sgh5m/Z_4665.jpg Else maybe it's somewhere underneath: https://www.dropbox.com/s/p6ogcj5h9tlhjpp/Z_4649.jpg Sorry Ron, I just don't recognize that drive at all, Maybe you could give us a make and model. Rene Fujitsu Limited Model M2235AS [21 Mbytes] (circa 1987) It was the hard drive on my first PC. G ~~ Sorry, I was just kidding around posting that. Clearly no super magnet/voice coil technology in that drive.. -- == Later... Ron C -- |
#89
|
|||
|
|||
Disposing of a hard drive.
On 06/17/2018 8:06 PM, Ron C wrote:
On 6/17/2018 7:56 PM, Rene Lamontagne wrote: On 06/17/2018 6:40 PM, Ron C wrote: On 6/16/2018 8:05 PM, Rene Lamontagne wrote: On 06/16/2018 6:45 PM, Bill Ward wrote: On 17/06/2018 00:31, Wolf K wrote: On 2018-06-16 19:28, Bill Ward wrote: On 16/06/2018 05:42, NotMe wrote: [...] All the screws are not visible, some are hidden under labels and stickers. Takes about ten minutes to completely dissemble, worth it for the magnets. The magnets must be buried so deep as not to attract anything. Bill. Shielded by the steel case. Right. Bill. The 2 magnets, 1 on each side of the voice coil are glued to the 2 mounting brackets which are made of Mu-Metal which is a magnetic shielding material. Rene All this talk of hard drive disassembly and salvaging strong magnets talk motivated me to take an old drive apart. No problem at all pulling the cover, but somehow I can't seem to find these magnets or even that voice coil thingy. Maybe someone can point it out on my drive? Here's a cover off top view: https://www.dropbox.com/s/8lhnybzho0sgh5m/Z_4665.jpg Else maybe it's somewhere underneath: https://www.dropbox.com/s/p6ogcj5h9tlhjpp/Z_4649.jpg Sorry Ron, I just don't recognize that drive at all, Maybe you could give us a make and model. Rene Fujitsu Limited* Model M2235AS* [21 Mbytes] (circa 1987) It was the hard drive on my first PC.** G ~~ Sorry, I was just kidding around posting that. Clearly no super magnet/voice coil technology in that drive.. Well it kept me guessing, :-) I kinda figured it was a vintage drive but back then I never opened up many drives so wouldn't recognize it anyway. Rene |
#90
|
|||
|
|||
Disposing of a hard drive.
Rene Lamontagne wrote:
On 06/17/2018 8:06 PM, Ron C wrote: On 6/17/2018 7:56 PM, Rene Lamontagne wrote: On 06/17/2018 6:40 PM, Ron C wrote: On 6/16/2018 8:05 PM, Rene Lamontagne wrote: On 06/16/2018 6:45 PM, Bill Ward wrote: On 17/06/2018 00:31, Wolf K wrote: On 2018-06-16 19:28, Bill Ward wrote: On 16/06/2018 05:42, NotMe wrote: [...] All the screws are not visible, some are hidden under labels and stickers. Takes about ten minutes to completely dissemble, worth it for the magnets. The magnets must be buried so deep as not to attract anything. Bill. Shielded by the steel case. Right. Bill. The 2 magnets, 1 on each side of the voice coil are glued to the 2 mounting brackets which are made of Mu-Metal which is a magnetic shielding material. Rene All this talk of hard drive disassembly and salvaging strong magnets talk motivated me to take an old drive apart. No problem at all pulling the cover, but somehow I can't seem to find these magnets or even that voice coil thingy. Maybe someone can point it out on my drive? Here's a cover off top view: https://www.dropbox.com/s/8lhnybzho0sgh5m/Z_4665.jpg Else maybe it's somewhere underneath: https://www.dropbox.com/s/p6ogcj5h9tlhjpp/Z_4649.jpg Sorry Ron, I just don't recognize that drive at all, Maybe you could give us a make and model. Rene Fujitsu Limited Model M2235AS [21 Mbytes] (circa 1987) It was the hard drive on my first PC. G ~~ Sorry, I was just kidding around posting that. Clearly no super magnet/voice coil technology in that drive.. Well it kept me guessing, :-) I kinda figured it was a vintage drive but back then I never opened up many drives so wouldn't recognize it anyway. Rene On page2 here, it looks like a rotating motor somehow moves the arm. The mechanism isn't clear. https://ia800605.us.archive.org/25/i...chure_1985.pdf Paul |
Thread Tools | |
Display Modes | Rate This Thread |
|
|