[Coco] FD-502 replacement drives

[rietveld rietveld]

Hi. I had a similar dillema.  This is what I did

My one Fd502 only had a single drive so I used a 3 1/2 720k sony as drive 1 in the empty slot above drive 0.  This setup works great on my coco3

I had another drive with just one working 5 1/4 so pulled out the broken drive 1 and put In an IDE hard drive. Now the case has a physical and hard drive   I use this setup with a Glenside IDE on my coco2.  I have both floppy ribbon cable and IDE ribbon cable on top of each other coming out of the back of the enclosure.  The power from the dead drive is now used with the ide hard drive. The fd controller has hdb dos in it and is plugged into the glenside's header.

I just thought these ideas would help you if u see different drives other than the ones you are looking for




Sent from my BlackBerry - the most secure mobile device
From: ejmautz2 at gmail.com
Sent: December 18, 2017 6:03 PM
To: coco at maltedmedia.com
Reply-to: coco at maltedmedia.com
Subject: Re: [Coco] FD-502 replacement drives


CB,

I'm looking for the D502 drives.  If this is what you have, I'm open to
what you suggest.

Thanks
John.

On Dec 18, 2017 5:44 PM, "camillus gmail" <camillus.b.58 at gmail.com> wrote:

> Hi Gene,
>
> Are you looking for the 5.25 drives, or the smaller 3.00 inch drives?
>
> I have two of the 5.25 drives and to be honest can't use them because I do
> not have any floppies anymore...
>
> If you send me 1 floppie I can test them, and maybe we can swap.
> I need a 512 triad memory upgrade, which I believe is sold by Mark
> Marlette for $50.00.
>
> Let me know if interested...
>
> cb
>
> On 12/18/2017 2:24:31 PM, Gene Heskett <gheskett at shentel.net> wrote:
> On Monday 18 December 2017 14:27:13 John Mautz wrote:
>
> > Hello,
> >
> > I have had two FD-502 enclosures for a few years now and when I
> > installed them today, neither drive worked. I do have and FD-501 with
> > 2 drives and it seems to work (I don't have a lot of disks to test
> > with). I would like to restore my FD-502 to a 2 drive system in
> > working order. Why, because the drives are supposed to be double
> > sided.
> >
> > Anyone have 2 working FD-502 drives they would be willing to part
> > with?
> >
> Are you able to remove the drives?
>
> If so. you will likely find the lubricant on the rails the head carriage
> slides on, a dried up caked mess. Clean those rods with paint store
> alcohol and put a thin film of vasolene or similar very light grease on
> them again. If the motor to head carriage connection is a very thin
> steel tape, it wouldn't hurt to clean it also as an old film of
> cigarette smoke will change its diameter enough to miss track on the
> inner tracks. If the motor is on the rear of the drive and has a long
> screw shaft, clean the gunk out of the groove in the shaft, and recoat
> with vasolene, ditto the tracking wire and the bronze leaf that serves
> as the drive nut. All this needs to be clean and lubricated. Quiet, you
> can't alway hear them stepping drives, are surefire signs the drive is
> due for a clean and lube job. The noisy drive is the one thats stepping
> accurately from track to track.
>
> While you have access, wet a q-tip and run it between the head faces to
> clean the heads. If any color comes off on the q-tip, toss it, get a new
> one and "wash, rinse, and repeat" till the wet q-tip stays clean. But do
> not bend them for a better view. Just slip the wet q-tip between them.
>
> > or
> >
> > Anyone know of a good source to find replacement drives? (Mitsumi
> > Elec. Co. - D502).
>
> These are genuine antiques today, buyer beware.
> >
> > Oh, and yes I have and email out to see if the SDC master (Zippster)
> > has any CoCoSDC's avail for sale.
> >
> > Thanks for the help.
> >
> > John.
>
>
> Cheers, Gene Heskett
> --
> "There are four boxes to be used in defense of liberty:
> soap, ballot, jury, and ammo. Please use in that order."
> -Ed Howdershelt (Author)
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>
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