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Disc drive - Anything useful inside ?

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Speedy Builder5	20/09/2021 18:51:16
2878 forum posts 248 photos	I have a 3.5" Segate disc drive from my satellite box which gave intermittent faults. I have replaced the drive, but before I throw the old one away, would there be anything useful inside it?
John Haine	20/09/2021 19:05:50
5563 forum posts 322 photos	Couple of very powerful magnets, nice Ali disc, motor might be useful.
Frances IoM	20/09/2021 19:07:58
1395 forum posts 30 photos	the tiny screws, two powerful but awkwardly shaped magnets, a couple of small bearings - I believe, but haven't done it myself, that the alloy case can be melted down. The actual disk platter is extremely accurately flat but never found a use for it - the first generation disc drives used a glass but later ones used metal The small motor driving the platter can be removed but you need the extra electronics to drive it
Mark Rand	20/09/2021 20:35:20
1505 forum posts 56 photos	The magnets can be useful, the motors often not, it can be a lot of work to get the bearings out without damage. You need a lot more than one drive, but you make them into useful raw material:-
mechman48	21/09/2021 17:42:57
2947 forum posts 468 photos	Powetful magnets albeit odd shapes; tiny bearings, motor might come in useful for something small. George.

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