That is why I disconnected the limits from the drives. Six one way - a half
dozen the other.
On Feb 12, 2013 10:52 AM, "andy pugh" <[email protected]> wrote:

> On 12 February 2013 16:40, dave <[email protected]> wrote:
> > On Tue, 2013-02-12 at 10:16 -0600, Stuart Stevenson wrote:
>
> >> When an A or B hard limit is tripped and the drive is shut
> >> off the head is tilted so far the weight causes the head to keep moving
> and
> >> the pinion gear will drop off the end of the rack with an accompanying
> loud
> >> clunk when the head drops to the frame.
>
> >         Stuart I must say you have an interesting take on 'fun'. ;-)
> > No stop on the rack to prevent it spooling off?
>
> Dropping off the rack might be seen as a good feature, it means that
> in the case of a servo runaway all that happens is that the pinion
> runs off the rack and spins free, rather than sitting there on the end
> stop until the expensive smoke leaks out.
>
> --
> atp
> If you can't fix it, you don't own it.
> http://www.ifixit.com/Manifesto
>
>
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