[Arm-netbook] physics analysis needed of belt-driven pulley system

[David Niklas]

On Sat, 19 Aug 2017 15:47:26 +0100
Luke Kenneth Casson Leighton <lkcl at lkcl.net> wrote:
> On Sat, Aug 19, 2017 at 3:34 PM, Hrvoje Lasic <lasich at gmail.com> wrote:
> > They increase the size of the motor in length. so you will be
> > still able to alter torque to some extent no matter speed. Keep in
> > mind that you are flexible here up to certain point. After that, if
> > you need more torque you go to next bigger size of motor nema 23 or
> > so.  
> 
>  yes.  that also increases cost, and weight, not just the motor size
> but also the holders, and also the ampage needed of the controller.
> which again increases cost.   so, trying not to do that as it's not
> necessary.
> 
>  l.

Or you could use two nema 17's on one pulley.
Mind, I don't know how you designed the pulley system so this might be
rather difficult or really easy.

Sincerely,
David