31969Re: Tape Drives
- Aug 7, 2013Cory Smelosky wrote:
> > Yeah. They were also vacuum-pump based, no?Dave McGuire:
> Well, there's a vacuum pump in them, yes.Many awful tape drives attempted to use vacuum columns
> They use vacuum-column tape buffering.
> Many 9-track drives (indeed, all of the best ones) do.
but didn't work so well overall.
It's far better than tension arms and dancers
since it allows for tape motion over the heads
independent of reel motion, but many tape drives
were too compact/small for tape pockets
of any meaningful size.
That's why the floor standing IBM tape drives
were the "gold standard" with their long long vacuum columns
allowing how many feet of tape motion
without spinning the tape reels?
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