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    Recent DIY project a new Turntable

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    tiguan

    Posts : 27
    Join date : 2014-07-23
    Location : Istanbul

    Recent DIY project a new Turntable

    Post by tiguan on Tue Mar 03, 2015 7:30 am

    As it was asked in another topic about some details of my recent project, to not to disturb Whats your turntable topic it would be better a separate topic for whom will be interested.

    Actually I started with upgrading my existing turntable "Rega P3-24 with external TT PSU".
    Previously I replaced subplatter, dual pulley, 2 silicone belt and was thinking to replace counterweight, put a "on the fly VTA adjuster" and replace internal wiring. When looking thorough the web for good alternatives for those components, saw many good DIY projects and after 2 months of investigation ended with making a new Turntable.

    My guideline items were following;
    - to use existing components of Rega. Because when I was going to change a main component it have affects on others such as changing platter with a heavier would affect rotation and speed, would need a stronger motor so it goes and therefore decided to continue step by step. To upgrade later the platter, motor, bearing structure.
    - should be a flexible design.
    - available for 2 arms preferably a 12" arm as a second
    - should have a warm outlook of course would be wooden based
    - should comply with damping and decoupling requierments.
    - should have a separate structure for motor without relation with any part of turntable

    There are many good projects on the web. But as for damping and body I believe the best source is Audioqualia

    First I tought to use solid wood with good damping characteristic such as Ironwood, Olivewood (oiled) as body and found IPE (African Ironwood). But after bringing to home in room temperature after 1 week it started to have some cracks (even the seller told that is was dried already)
    So I turned my way to processed wood. It was impossible to find either Panzerholz or Permali which have perfect damping factor. I decided to go to a composite structure. Main parts of the composite structure is 4 layer 18 mm baltic birch pylwood and isophaltic polyester resin. Isophaltic based polyester resin have very good damping characteristic as well and lead to increase the weight.
    I established a box from plywood layers cut at CNC. Glued together filled with isophaltic polyester resin and lead balls.


    Now I am sandpapering the bodies. Trying to decide oil and varnish. Making some samples with IKEA beewax varnish, tungoil, urethane based varnish etc.

    Feets will be sorbothane and spike combination. I already suplied counter weight as tecnoweight and Michell on the fly VTA adjuster.








    arledgsc

    Posts : 340
    Join date : 2012-11-30
    Location : SF Bay CA

    Re: Recent DIY project a new Turntable

    Post by arledgsc on Tue Mar 03, 2015 11:21 am

    Nice project and well done. In the acoustic guitar world manufactured woods and urethane are known for damping properties versus solid woods and lacquers like nitrocellulose. So composite wood is a good choice and will be very stable over time.

    tiguan

    Posts : 27
    Join date : 2014-07-23
    Location : Istanbul

    Re: Recent DIY project a new Turntable

    Post by tiguan on Fri Mar 27, 2015 4:54 am

    I found veneer sheets made from ebony and iroko burl. Upper faces of both bodies I plan to veneer.

    I plan to use first and last row ebony between them iroko burl .

    I sprayed water to show how it will look like after varnish.





    I have aligned joining edges. And glued veneer on lower big platform.
    Upper body will follow.



    tiguan

    Posts : 27
    Join date : 2014-07-23
    Location : Istanbul

    Re: Recent DIY project a new Turntable

    Post by tiguan on Mon May 04, 2015 9:00 am

    I have finally completed my new turnta le.

    Photos can be reached here.

    DIY TURNTABLE

    TN Allen

    Posts : 124
    Join date : 2013-01-01

    Re: Recent DIY project a new Turntable

    Post by TN Allen on Mon May 04, 2015 10:01 am

    Nicely done! I looked to find information on the motor you are using, and may well have overlooked it. Could you tell me what the motor is? Thank you.

    audiobill

    Posts : 270
    Join date : 2014-03-13
    Location : Philadelphia

    Re: Recent DIY project a new Turntable

    Post by audiobill on Mon May 04, 2015 11:49 am

    Wow, that's beautiful!!!

    tiguan

    Posts : 27
    Join date : 2014-07-23
    Location : Istanbul

    Re: Recent DIY project a new Turntable

    Post by tiguan on Mon May 04, 2015 12:20 pm

    TN Allen wrote:Nicely done! I looked to find information on the motor you are using, and may well have overlooked it. Could you tell me what the motor is? Thank you.
    Thanks TN Allen, I had a Rega P3-24 with an external TTPSU and used all parts accept body...
    İ used premotec motor, power board and TT Psu of rega. But for the future second motor on the opposite is reserved already.
    In the future the upgrades will be;
    -second motor
    -new platter
    -and 12 inch unipivot second arm


    tiguan

    Posts : 27
    Join date : 2014-07-23
    Location : Istanbul

    Re: Recent DIY project a new Turntable

    Post by tiguan on Mon May 04, 2015 12:22 pm

    audiobill wrote:Wow, that's beautiful!!!
    Thank you audiobill

    bluerondo

    Posts : 27
    Join date : 2014-09-21
    Location : Irvine, CA

    Re: Recent DIY project a new Turntable

    Post by bluerondo on Mon May 04, 2015 10:18 pm

    Wow! That really is something! I can't imagine building anything like that.
    Thanks for sharing.

    tiguan

    Posts : 27
    Join date : 2014-07-23
    Location : Istanbul

    Re: Recent DIY project a new Turntable

    Post by tiguan on Wed May 06, 2015 3:41 pm

    bluerondo wrote:Wow! That really is something! I can't imagine building anything like that.
    Thanks for sharing.
    Thanks for your kind words, I inspired from many DIY projects and tried to combined the logical parts based on my humble engineering experience,

    Hope it will help others who wants to enter such a way,
    any question about what, how and why, I can try to clarify.

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