Thanks everyone for the excellent suggestions. I knew FW was the right place to ask!
Scott Stark www.scottstark.com -----Original Message----- From: FrameWorks [mailto:frameworks-boun...@jonasmekasfilms.com] On Behalf Of John Muse Sent: Monday, July 25, 2016 8:17 AM To: Experimental Film Discussion List <frameworks@jonasmekasfilms.com> Subject: Re: [Frameworks] how to power a projector mounted on a rotating device Scott, Jeanne and I have used many of these for video installations: https://www.sldlighting.com/ac-motor-turntable-with-rotating-outlet-50-lb-capacity-12-top Reliable. We've ordered them with 1rpm motors. Good luck! j On Jul 25, 2016, at 9:06 AM, Mani Mazinani <mani.mazin...@gmail.com> wrote: > Marco's machine looks wonderful. Toronto artist John Shipman has constructed > what Scott is looking for an installation using slide projectors. It uses > the slip ring things mentioned previously. His website will have more > information and his email address as well. > > Best, > Mani > > > On Jul 25, 2016 07:15, "Marco Poloni" <mar.pol...@gmail.com> wrote: > Hello, > Years ago I built some camera pan/tilt heads using 10- to 12- contacts > electrical slip rings to power the head, transmit positional data data > to the device, and collect the video signal. See pic. They work > fantastic. I can't recall which brand of rings I used. I later learned > they were a sub-contractor of Lockheed-Martin... Better to choose a > some supplier that is not affiliated to the military industry. Moflon > maybe? > > My two cents. > > Best, > Marco > > On 25 July 2016 at 06:12, Bryan Konefsky <bkonef...@gmail.com> wrote: > > Hey Scott and all - regarding rotating turntables that include > > rotating AC - see this link: > > > > http://www.vuemore.com/?gclid=Cj0KEQjwztG8BRCJgseTvZLctr8BEiQAA_kBD9 > > Fw3HF-6RCdrntuK6afHo7TQApVQy3Bx_eRTy707z0aApsm8P8HAQ > > > > I've purchased several over the years and they are fantastic... I > > suspect if you add a rheostat you could also change the rpms of the unit. > > > > best, > > bryan konefsky > > > > On Sun, Jul 24, 2016 at 8:26 PM, Karl Reinsalu <kreins...@gmail.com> wrote: > >> > >> I recall a 35mm installation that used an ac cable with a pre-built > >> slip ring design. They built the turntable and film looper > >> themselves, but sourced the cable from a film industry rental > >> house. Might be worth an inquiry with a production house like > >> William F Whites or similar. Otherwise possibly an industrial electrical > >> parts supplier? Best of luck! > >> > >> __ > >> Karl Reinsalu - Cinematography > >> "Sent from my pocket through space and time." > >> > >> > >> On Jul 24, 2016 11:02 PM, "Ryder White" <ryder.wh...@gmail.com> wrote: > >>> > >>> Hi Scott, > >>> > >>> I've been trying to figure this out too for some time, and as far > >>> as I can tell you need something like this: > >>> > >>> https://www.sparkfun.com/products/13063 > >>> > >>> Or any other sort of "slip ring" that is rated for sufficient current. > >>> The issue with a turntable is you would probably have to rig your > >>> power supply from the top since the slip ring has to be on the > >>> radial axis of the platform, and underneath the turntable you'd > >>> have a bunch of moving parts and gak. But this is all conjecture since > >>> I've never followed through on it. > >>> If anyone out there has executed something like this I would be > >>> really interested to see some pictures. > >>> > >>> Best, > >>> > >>> Ryder > >>> > >>> On Sunday, 24 July 2016, Scott Stark <sst...@hi-beam.net> wrote: > >>>> > >>>> Hi all, does anyone have an idea of how to supply power to a > >>>> projector that’s set on a rotating device such as a turntable? Is > >>>> there such a thing as a rotating power supply? > >>>> > >>>> > >>>> > >>>> I saw this – the main cylinder wouldn’t do it but the part that > >>>> attaches to the wall does rotate 360, but I can’t quite figure how to > >>>> make it work. > >>>> > >>>> > >>>> > >>>> https://www.youtube.com/watch?v=u64Kn5ENkE0 > >>>> > >>>> > >>>> > >>>> Just wondering if anyone’s found a device designed for such. > >>>> > >>>> > >>>> > >>>> thanks – > >>>> > >>>> > >>>> > >>>> Scott Stark > >>>> > >>>> scottstark.com > >>>> > >>>> Experimental Response Cinema > >>>> > >>>> Flicker > >>>> > >>>> > >>> > >>> > >>> > >>> -- > >>> > >>> Sent from mobile device, please forgive typographic errors. -RTW > >>> > >>> > >>> _______________________________________________ > >>> FrameWorks mailing list > >>> FrameWorks@jonasmekasfilms.com > >>> https://mailman-mail5.webfaction.com/listinfo/frameworks > >>> > >> > >> _______________________________________________ > >> FrameWorks mailing list > >> FrameWorks@jonasmekasfilms.com > >> https://mailman-mail5.webfaction.com/listinfo/frameworks > >> > > > > > > > > -- > > Bryan Konefsky > > Professional product tester > > > > Great art has always gone to the masses, to their hopes and dreams, > > for that spark that kindled their souls. The rest, "the many, all > > too many" as Nietzsche called mediocrity, have been mere commodities > > that can be bought with money, cheap glory, or social position. > > - Emma Goldman > > > > _______________________________________________ > > FrameWorks mailing list > > FrameWorks@jonasmekasfilms.com > > https://mailman-mail5.webfaction.com/listinfo/frameworks > > > > > > -- > > > > Marco Poloni > http://www.theanalogueislandbureau.net > Usedomer Strasse 8 > D – 13355 Berlin > gsm de +49.163.6294080 > gsm ch +41.78.6322028 > skype marcopoloni > > _______________________________________________ > FrameWorks mailing list > FrameWorks@jonasmekasfilms.com > https://mailman-mail5.webfaction.com/listinfo/frameworks > > _______________________________________________ > FrameWorks mailing list > FrameWorks@jonasmekasfilms.com > https://mailman-mail5.webfaction.com/listinfo/frameworks j/PrM ************************************************* john muse visual media scholar haverford college http://www.finleymuse.com http://www.haverford.edu/faculty/jmuse http://haverford.academia.edu/JohnMuse ************************************************* _______________________________________________ FrameWorks mailing list FrameWorks@jonasmekasfilms.com https://mailman-mail5.webfaction.com/listinfo/frameworks _______________________________________________ FrameWorks mailing list FrameWorks@jonasmekasfilms.com https://mailman-mail5.webfaction.com/listinfo/frameworks
