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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=EN-CA link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'>Alex,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'>I want to independently rotate two or possibly three arms – like the hands of a clock – and am looking for a “shaft within a shaft within a shaft” assembly. Each arms is to be separately controlled by 360 degree servos (not continuous rotation) or steppers. Right now, I am looking to see what’s available and so far I’ve drawn a blank. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'>To your response, the Dremel only provides one shaft and I’m looking for more. As for bearings, it would be a ball race or just cold-metal (brass on brass)… I am still looking for possible ideas.<o:p></o:p></span></p><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'>Many thanks, <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'>... Adrian <o:p></o:p></span></p></div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:black'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Alex [mailto:alexbarbour@bell.net] <br><b>Sent:</b> 6-Dec-15 1:20 PM<br><b>To:</b> Adrian<br><b>Subject:</b> Re: [Lab] Coaxial shafts...<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Understand exactly.</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>But what are the dimensions and what speeds and torques ?? </span><o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Could you use flex drives such as For Dremel of Canadian Tire have a cheepie for $3.00 If You use these one must be sure to turn such that the inner cable is tightened not unwound.</span><o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Last alternative is to build your own when the question becomes::: what of the inside bearing betweent the inner and outer shafts ?</span><o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Alex B</span><o:p></o:p></p></div><blockquote style='border:none;border-left:solid black 1.5pt;padding:0cm 0cm 0cm 4.0pt;margin-left:3.75pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>----- Original Message ----- <o:p></o:p></span></p></div><div><p class=MsoNormal style='background:#E4E4E4'><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'> <a href="mailto:adrian@woodsgood.ca" title="adrian@woodsgood.ca">Adrian</a> <o:p></o:p></span></p></div><div><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>To:</span></b><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'> <a href="mailto:lab@artengine.ca" title="lab@artengine.ca">lab@artengine.ca</a> <o:p></o:p></span></p></div><div><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Sent:</span></b><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'> Sunday, December 06, 2015 7:05 AM<o:p></o:p></span></p></div><div><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Subject:</span></b><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'> [Lab] Coaxial shafts...<o:p></o:p></span></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><p><span style='font-family:"Calibri","sans-serif"'>Hello all,</span><o:p></o:p></p><p><span style='font-family:"Calibri","sans-serif"'>I’m looking for a supplier of</span> <span style='font-family:"Calibri","sans-serif"'>clock-like</span> <span style='font-family:"Calibri","sans-serif"'>concentric shaft assemblies</span> <span style='font-family:"Calibri","sans-serif"'>to</span> <span style='font-family:"Calibri","sans-serif"'>use for a large art display… </span><o:p></o:p></p><p><span style='font-family:"Calibri","sans-serif"'>Ideally, I’m looking for two independent shafts</span> <span style='font-family:"Calibri","sans-serif"'>(one inside the other)</span> <span style='font-family:"Calibri","sans-serif"'>on a common axis to convey</span> <span style='font-family:"Calibri","sans-serif"'>two rotary</span> <span style='font-family:"Calibri","sans-serif"'>motions from one side of a baffle to the other.</span><o:p></o:p></p><p><span style='font-family:"Calibri","sans-serif"'>Hope that you get what I’m after… </span><o:p></o:p></p><p><span style='font-family:"Calibri","sans-serif"'>Any ideas please?</span> <o:p></o:p></p><p><span style='font-family:"Calibri","sans-serif"'>Many thanks, </span><o:p></o:p></p><p><span style='font-family:"Calibri","sans-serif"'>... Adrian</span> <span style='font-family:"Calibri","sans-serif"'>(</span><a href="http://www.wooduino.ca"><span style='font-family:"Calibri","sans-serif"'>www.wooduino.ca</span></a> <span style='font-family:"Calibri","sans-serif"'>)</span><o:p></o:p></p><div class=MsoNormal align=center style='text-align:center'><hr size=2 width="100%" align=center></div><p class=MsoNormal>_______________________________________________<br>Lab mailing list<br>1. subscribe <a href="http://artengine.ca/mailman/listinfo/lab">http://artengine.ca/mailman/listinfo/lab</a><br>2. then email <a href="mailto:Lab@artengine.ca">Lab@artengine.ca</a> to send your message to the list<o:p></o:p></p></blockquote></div></body></html>