Alt-BEAM Archive

Message #03135



To: w.j.m.brok@stud.tue.nl
From: "NSX -" evenflow88@hotmail.com
Date: Mon, 10 May 1999 03:58:42 PDT
Subject: [alt-beam] Re: Springs on walker





>From: Wouter Brok
>To: "NSX -"
>Subject: Re: Springs on walker
>Date: Mon, 10 May 1999 10:10:04 +0200
>
>Hello,
>
>To make sure it isn't the electronics you could change the capacitor-values
>of the suspended bicore, so that they are different. That way the circuit
>is less sensitive to noise, but the duty-cycle will stay 50%.
>Do you use a master(suspended)-slave bicore? If so then only change one
>capacitor of the master to decrease noise-sensitivity.
>
>Regards,
>
>Wouter Brok
>
>PS: mail me if you have questions.
>PPS: read this for understanding noise-influences on the dual-bicore
>circuit:
>http://www.beam-online.com/Bicore_article/select.htm)
>
> >Hie i am having trouble with the rear legs of my walker...i dont know why
> >the angle sweep to the right is more than to the left...it uses a bicore
> >with all the same value of caps and resistor..but why does this happens i
> >thought it is suppose to be symetry as in the angle turn to the right is
> >equivelant to the left... i am using servo's for my walker some sort of
> >brand called airtronics...someone in the list told me to use springs i
>tried
> >that before but it is still the same the way i mount the springs are some
> >thing like one spring on the both front and rear leg on the right and the
> >other attached to the front and rear leg of the left....is this the right
> >way of mounting it or is it wrong?or should i adjust the electronics...i
>see
> >all of mark T bots doesnt use springs except stryder so did he use
>somesort
> >of a stabilizing circuit like what i hear dave in his home brew video
>said
> >and some turning circuit to modify the effectiveness of the turning
>ability
> >of a two motor walker ....thanks a lot..hope i wont bother u guys long
>
u mean i should use decoupling caps?whats the value should i use then...for
a master-slave bicore which is considered a high or low frequency thing?

thanks again in advance


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