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<body class='hmmessage'><div dir='ltr'>That's good but I need a longer extension than 10cms and pardon my pickiness but it's a bit pricy. Multi-turn servos sound good but it's just finding the pinion on the drive shaft to match the teeth. <br><br>Is this a multi-turn servo:<br>http://www.hobbyking.com/hobbyking/store/uh_viewitem.asp?idproduct=22528&aff=757677<br><br>?<br><br>> Date: Tue, 21 Apr 2015 19:47:20 +1200<br>> From: hamster@snap.net.nz<br>> To: chchrobotics@lists.linuxnut.co.nz<br>> Subject: Re: [chbot] Cheap Rack and pinion servos?<br>> <br>> https://nicegear.co.nz/robotics/stepper-motor-29-ozin-200-stepsrev-threaded-shaft/<br>> <br>> <br>> Maybe?<br>> <br>> Brahm Boelee <brahmboelee84@hotmail.co.uk> wrote:<br>> <br>> >I really want an extension of 40cm. <br>> ><br>> >On 21/04/2015, at 7:33 pm, Mark Beckett <m.beckett@amuri.net> wrote:<br>> >> <br>> >> Brahm might have been after one of these.<br>> >> 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<br>> >> <br>> >> <br>> >> Andrew Errington wrote:<br>> >>> 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.<br>> >>> <br>> >>> Presumably you are looking for linear motion. Have you considered a threaded rod?<br>> >>> <br>> >>> Best wishes,<br>> >>> <br>> >>> Andrew<br>> >>> <br>> >>> On 21 April 2015 at 16:17, Brahm Boelee <brahmboelee84@hotmail.co.uk <mailto:brahmboelee84@hotmail.co.uk>> wrote:<br>> >>> <br>> >>> Hi.<br>> >>> Does anyone know where to get cheap rack and pinion servos?<br>> >>> Preferably with a longer rack.<br>> >>> Thanks for your help<br>> >>> _______________________________________________<br>> >>> Chchrobotics mailing list Chchrobotics@lists.linuxnut.co.nz<br>> >>> <mailto:Chchrobotics@lists.linuxnut.co.nz><br>> >>> http://lists.ourshack.com/mailman/listinfo/chchrobotics<br>> >>> Mail Archives: http://lists.ourshack.com/pipermail/chchrobotics/<br>> >>> Meetings usually 3rd Monday each month. See http://kiwibots.org<br>> >>> for venue, directions and dates.<br>> >>> When replying, please edit your Subject line to reflect new subjects.<br>> >>> <br>> >>> <br>> >>> ------------------------------------------------------------------------<br>> >>> <br>> >>> _______________________________________________<br>> >>> Chchrobotics mailing list Chchrobotics@lists.linuxnut.co.nz<br>> >>> http://lists.ourshack.com/mailman/listinfo/chchrobotics<br>> >>> Mail Archives: http://lists.ourshack.com/pipermail/chchrobotics/<br>> >>> Meetings usually 3rd Monday each month. See http://kiwibots.org for venue, directions and dates.<br>> >>> When replying, please edit your Subject line to reflect new subjects.<br>> >> <br>> >> _______________________________________________<br>> >> Chchrobotics mailing list Chchrobotics@lists.linuxnut.co.nz<br>> >> http://lists.ourshack.com/mailman/listinfo/chchrobotics<br>> >> Mail Archives: http://lists.ourshack.com/pipermail/chchrobotics/<br>> >> Meetings usually 3rd Monday each month. See http://kiwibots.org for venue, directions and dates.<br>> >> When replying, please edit your Subject line to reflect new subjects.<br>> ><br>> >_______________________________________________<br>> >Chchrobotics mailing list Chchrobotics@lists.linuxnut.co.nz<br>> >http://lists.ourshack.com/mailman/listinfo/chchrobotics<br>> >Mail Archives: http://lists.ourshack.com/pipermail/chchrobotics/<br>> >Meetings usually 3rd Monday each month. See http://kiwibots.org for venue, directions and dates.<br>> >When replying, please edit your Subject line to reflect new subjects.<br>> _______________________________________________<br>> Chchrobotics mailing list Chchrobotics@lists.linuxnut.co.nz<br>> http://lists.ourshack.com/mailman/listinfo/chchrobotics<br>> Mail Archives: http://lists.ourshack.com/pipermail/chchrobotics/<br>> Meetings usually 3rd Monday each month. See http://kiwibots.org for venue, directions and dates.<br>> When replying, please edit your Subject line to reflect new subjects.<br> </div></body>
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