[chbot] Cheap Rack and pinion servos?

[Helmut Walle]

On 21/04/15 19:42, Brahm Boelee wrote:
> I really want an extension of 40cm.
>
[...]

How much force do you need? I remember these linear actuators from my 
days in the mobility industry:

http://www.linak.com/medline-careline/?id3=2334

They surely aren't cheap, though.

Also, this local supplier might have answers:

http://www.linearmotion.co.nz/

Kind regards,

Helmut.