Re: Using both sides of DS DD disks

["RED" <redodd@comcast.net>]

"Frank Townsend" <ftownsen@iamdigex.net> wrote in message
news:ywhw9.41637$iV1.36602@nwrddc02.gnilink.net...
> I was reading the recent discussion about DSDD disks and disk notchers and
> saw a comment by Roy as follows:
>
> *************************
> > Now a further question is "Why are most DSDD diskettes only notched on
> > one side?".
>
> "Because a double sided disk drive doesn't have to have the disk flipped
> over."
> *************************
>
> I'm using Apple 5.25 disk drives.  Are these double sided drives?
No
>  If not, were there any Apple II double sided 5.25 drives?
No
> Alternatively, were DSDD disks sold that were pre-notched on both sides?
I know that BASF used to sell them.
> Finally, is there really something about flipping a disk to record on the
> "wrong side" that endangers data on the "right side" as someone suggested
in
> a previous post?
Double sided drives write to both sides with no problems. Some people say
that because the disk spins in the opposite direction when you flip it, dust
and dirt that was caught by the internal lining of the disk jacket can cause
harm to the disk.  I've used flippies for eons and never had any problems.