you all know that floppy drive has a motor with long spin rod, but this motor is operated by pc but i want to make it as simple to operate with 3-6 volt DC battery.

any one help me.

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'if u cant beat him then join him' I always say...

 

I think those are stepper motors, they can't be run directly off DC signals, you'd have to make a driver for it.

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If it is an old 51/4 floppy drive with a belt and flywheel, the motor has a speed control
board. If you disconnect the motor red and black wires from the speed control board, you can run it with out the speed control board.

 

dear power58, what do u mean by old 51/4 floppy, now a days we only found 3.5" floppy drive, are u talk about 5" disk floppy?

if it is 3.5" floppy please give me some more detail.

thanks.

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'if u cant beat him then join him' I always say...

 

5 1/4 inch drives were where the term 'Floppy' came from.

The magnetic media that was used was actually very weak and would flop back and forth. There were significantly larger then disks of today and were more prone to data loss as they had an exposed centre.

Then came the 3 1/2 inch floppy. Which is more of a hardened plastic cased floppy disk with a greater capacity.

 

scuzz, actually 8" floppy is where the "floppy" name came from.
8" (79K, 175K, 230K, 500K, 980K) drives came "first" ... the 5.25" 180K SS, 360KDS, then 1.2M HD DS came later and then 3.5" 720K SD/ 1.44M HD came

I have somewhere in da house some 8" and 5.25" drives and maybe some floppies if you cannot find a pic on the net, I can make some

 

It's hard to even find machines with floppy's anymore. I'll be getting a "Pico usb drive" for Christmas which is actually smaller than a standard USB connector and holds 8 gig, I could easily swallow it without hurting myself =O My how far we've come =) What power58 is talking about is the spindle motor from a 5 1/2inch, those were straight DC motor with a speed controller and a hall effect sensor to control rotation speed, steppers are significantly more precise in maintaining a fix rotation speed. All the motors in a 3-1/2" drive are gonna be steppers.

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An interesting side bar, the original 8" floppy media and drive was developed for internal use only by IBM in the early 70s. It stored the microcode used when rebooting a IBM 370 main frame system. Later they offered it in data entry products used to replace punch card equipment.

Yea, I'm that old, and get off my lawn

Lefty

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Measurement changes behavior

 

lefty, the "old" when computer industry is involved is very relative, in a single lifetime a byte that was size of a human arm evolutes to 4G drive that is 1x1x1mm

Those first drives were niiiiice even the dshd 5.25 ones were cool, and useful to scavenge

 

hi arhi,
In South Africa they call 'floppies' ... 'stiffies'. not a joke.!

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Eric " Good enough is Perfect "
I will NOT answer PM's requesting technical help, please use the Forum
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It's fairly common all round the world, but ONLY for 3.5 inch ones, which are'nt floppy at all being in stiff plastic casings.

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lol

never heard the term

literal translation from my lang for the names used here is
FDD - "soft disk"
HDD - "hard disk"

but stiffies

 

Would you walk into your computer shop and ask for a 3.5 inch stiffie or a 3.5 inch floppy disk.?

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Eric " Good enough is Perfect "
I will NOT answer PM's requesting technical help, please use the Forum
PIC tutorials: Nigel's www.winpicprog.co.uk/ Bill's: www.blueroomelectronics.com/

 

No I wouldn't, and have never used the name

However, it is (or was) common all over the place.

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PIC programmer software, and PIC Tutorials at:
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When I asked a female shop assistant in SA if she had a couple of floppies,
I thought she was going to hit me, my son had to quickly explain that I meant stiffies.

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Eric " Good enough is Perfect "
I will NOT answer PM's requesting technical help, please use the Forum
PIC tutorials: Nigel's www.winpicprog.co.uk/ Bill's: www.blueroomelectronics.com/