Im not saying it is a bad thing per say; the bad thing is you lose the
additional safety margin of having the motor spin and the steering slop
rather than having all the energy go into bending the tie rods and king
pins. Whether you need or value that safety margin is entirely a design
decision.


On Mon, Mar 24, 2014 at 11:06 PM, <[email protected]> wrote:

>  not sure i quite understand why you would think that the wheels not
> being able to back-drive (as you call it, do you might mean back-feed?) the
> linier drive would be a bad thing?
>
> for taking a hit that hard to the wheels/steering i don't think there's
> anything you can do, (beefed-up or not) they'll be damage somewhere if you
> hit something hard and fast enough
>
> chris
>
>  In a message dated 3/24/2014 7:48:45 P.M. Eastern Daylight Time,
> [email protected] writes:
>
> They offer the two edged sword that the wheels cant backdrive the steering
> motor. On the upside that means your wheels point where you tell them. On
> the downside if you hit a bump or the like that forces the steering to the
> side something else has to give or everything has to be stronger because
> you lose that safety margin.
>
> They can also be quite slow.
>
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