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Thread: Cheap upgrade for michell gyro

  1. #251
    Join Date: May 2016

    Location: wales

    Posts: 359
    I'm peter.

    Default

    hi tad you might end up back to were you started, the arm board is supported by 3 delrin spacers from the factory , i now longer have the techno arm to try your suggestion , also if i remember the arm board is thicker for the rega techno arm ,
    due to the weight differences in the sme arm , max weight according to Michell Jonathan Nye was 1.1kg or around that weight , the material i use on the arm for a cartridge isolation is PTFE about 1mm thick , cut to shape, .
    The Bobbins now being used to support the arm board decouple the chassis , where the spacers do not , the New Michell design ones are delrin with a o ring in the top, it does sort of work , but do not expect masses of difference as the arm board is sill held ridged to the chassis
    The thinking behind the rubber bobbins , is the sme 3009 is screwed to the deck Via Rubber grommets,so i just looked at the anti vibration bobbins as an extension to that , MR Moon confirmed what i had thought may happen , just he had bought his from the uk , and i bought mine from my favorite shopping channel China, cheaper but you have to wait , and i am still waiting ,

    kind regards
    pete

  2. #252
    Join Date: Nov 2011

    Location: Seaton, Devon, UK

    Posts: 1,263
    I'm Adrian.

    Default

    Quote Originally Posted by TAD12 View Post
    hi there Pete, do you remember the damping material for the headshell/arm contact area, which we discussed. Have you ever thought of making stacking washers out of this material for the armboard to replace the rubber ones. I would like to try this out. Am I wasting my time???
    Kind regards,
    Tadeusz.
    This would be too soft and would crush up and any effect would be lost. Best to use a silicone rubber washer about 1 to 2mm thick top and bottom, or as some have done and I an about to do try is replacing the arm board mounts (metal or delrin) with 10mm rubber bushes, you need M5 threads one male and female in each end, these are available on Ebay quite cheaply.
    [FONT="Arial"]
    Listening is the act of aural discrimination and dissemination of sound


    Michel GyroDec (slightly modified), SME IV arm(special build virtually a V), Michel Cusis MC cartridge, Furutech AG-12-R4 High Performance Phono Cable, LFD MMC special phono stage, RaspberryPi/HifiBerry Digi to Beresford Caiman SEG DAC, Meridian 508 CD to Caiman SEG, ALLNIC T1500 MKII SET 300B amp, Vienna Acoustics Mozart SE speakers, Chord Epic speaker leads, & signature links, the Eccose Conductor CA1 cd to pre

  3. #253
    Join Date: Mar 2014

    Location: Montreal, Canada

    Posts: 72
    I'm TAD.

    Default

    thanks so much guys. the Odyssey still continues to surprise with the detail which can be extracted off a vinyl disc. Kind regards. T.

  4. #254
    Join Date: May 2016

    Location: wales

    Posts: 359
    I'm peter.

    Default

    just added the bobbins to the deck , the ones i received seemed a bit soft ,so i have added 3 delrin ones in the mix , under the arm board , until i can get 3 more bobbins female to female , to do the same job what i was not expecting was the shear force now in the music , every thing and i mean every thing has more depth , the bass was the immediate i could hear and feel as if you were at the gig ,after having HIFi for 40 years , orbes .lp12 , could not keep up with this deck now, the force and feel will blow you away , all the depth and stereo imaging came to life ,


  5. #255
    Join Date: Nov 2011

    Location: Seaton, Devon, UK

    Posts: 1,263
    I'm Adrian.

    Default

    Well that sounds really promising, my rubber bobbins should arrive soon so I will be very interested to hear the result.
    [FONT="Arial"]
    Listening is the act of aural discrimination and dissemination of sound


    Michel GyroDec (slightly modified), SME IV arm(special build virtually a V), Michel Cusis MC cartridge, Furutech AG-12-R4 High Performance Phono Cable, LFD MMC special phono stage, RaspberryPi/HifiBerry Digi to Beresford Caiman SEG DAC, Meridian 508 CD to Caiman SEG, ALLNIC T1500 MKII SET 300B amp, Vienna Acoustics Mozart SE speakers, Chord Epic speaker leads, & signature links, the Eccose Conductor CA1 cd to pre

  6. #256
    Join Date: Dec 2018

    Location: Cambridgeshire UK

    Posts: 13
    I'm William.

    Default

    Hi Guys

    Well I stripped it down again. The pylon supports measure from the acrylic base to the top of the support 28mm - the pylons measure inside depth 28.5 ( no proper depth gauge) and yes they do rest on the acrylic base. So I inserted a little bit of of rubber that lifted the the pylons off the acrylic base. So now the bearing should be supporting the pylons. I cheched the bearing with the original and they were the same size. All I can say is another manufacturing inconstancy, but sorted now.
    My acrylic base is a cover supplied by Michell when I bought the gyro, so perhaps they out source them. Anyway pylons are sitting above the base so alls fine.

    Regards to all.

  7. #257
    Join Date: Mar 2019

    Location: Dublin, Ireland

    Posts: 6
    I'm Simon.

    Default Orbe Bearing

    So what’s the current preference for bearing thrust ball & suspension posts?
    I have 4 Delrin & a packet of Ceramic Si3N4 bearing balls ready to try, but where do I start?

    Have a set of Solid Air Pylons to try as well, bought at Christmas time, but was busy.

    My Orbe is a 2000 model, with AC Motor & QC Controller. SME V now with Lyra Skala, into Bakoon EQA-R
    I applied the Pedersen Armboard about 10 years
    Was focused on getting Digital done well, and now back to Vinyl frontend.

    So where are people at?

    Simon

  8. #258
    Join Date: May 2016

    Location: wales

    Posts: 359
    I'm peter.

    Default

    read the posting , the orbe bearing used the ceramic uses alumiu oxide, ball , unless you have the feet to go with the string and wood they will not work as they are part 2 of his upgrade path not my words but his,
    , you can use the ceramic ones in the pylon tubes, or the delrin , you will have to ask some one else about the string and wood pylon , i will not comment LOL

    pete






    need i say more
    Last edited by gwernaffield; 16-03-2019 at 15:57.

  9. #259
    Join Date: Nov 2011

    Location: Seaton, Devon, UK

    Posts: 1,263
    I'm Adrian.

    Default

    Why are you not use the ball bearings that came with it or replacing then with ceramic ones already mentioned in this thread this will give you better isolation, yes you can still use a bit of rubber but I would advise using the balls. Read my previous reply to your original problems.
    [FONT="Arial"]
    Listening is the act of aural discrimination and dissemination of sound


    Michel GyroDec (slightly modified), SME IV arm(special build virtually a V), Michel Cusis MC cartridge, Furutech AG-12-R4 High Performance Phono Cable, LFD MMC special phono stage, RaspberryPi/HifiBerry Digi to Beresford Caiman SEG DAC, Meridian 508 CD to Caiman SEG, ALLNIC T1500 MKII SET 300B amp, Vienna Acoustics Mozart SE speakers, Chord Epic speaker leads, & signature links, the Eccose Conductor CA1 cd to pre

  10. #260
    Join Date: May 2016

    Location: wales

    Posts: 359
    I'm peter.

    Default

    you need to at least leave the bearing in the suspension tube it must be 7/32 , it keeps the correct height between the acrylic and the base of the pylons ,if you use the spring ones you would need the bearing ,
    the only extra bit needed is the little rubber pad, which will squash down to about 1 mm, and the ball sits on that , if you remove the ball the adjuster will be hitting the acrylic , or sitting on the acrylic , which will damage the deck , as there is only about
    .25mm when the ball is fitted to the base of the tube clearance,

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