[chbot] Cheap Rack and pinion servos?

[hamster]

https://nicegear.co.nz/robotics/stepper-motor-29-ozin-200-stepsrev-threaded-shaft/


Maybe?

 Brahm Boelee <brahmboelee84 at hotmail.co.uk> wrote:

>I really want an extension of 40cm. 
>
>On 21/04/2015, at 7:33 pm, Mark Beckett <m.beckett at amuri.net> wrote:
>> 
>> Brahm might have been after one of these.
>> https://www.google.co.nz/search?q=central+locking+actuator&tbm=isch&tbo=u&source=univ&sa=X&ei=Jf01VcbDH8jFmQXj7IHAAQ&ved=0CBwQsAQ&biw=1680&bih=913
>> 
>> 
>> Andrew Errington wrote:
>>> Does such a thing even exist?  You might have to make your own.  Maybe using a multi-turn servo such as a sail winder with a pinion on the driveshaft.
>>> 
>>> Presumably you are looking for linear motion.  Have you considered a threaded rod?
>>> 
>>> Best wishes,
>>> 
>>> Andrew
>>> 
>>> On 21 April 2015 at 16:17, Brahm Boelee <brahmboelee84 at hotmail.co.uk <mailto:brahmboelee84 at hotmail.co.uk>> wrote:
>>> 
>>>    Hi.
>>>    Does anyone know where to get cheap rack and pinion servos?
>>>    Preferably with a longer rack.
>>>    Thanks for your help
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>
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