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In the Forum: Analog Playback
In the Thread: Copper Mat on a Micro Seiki Gun Metal Platter
Post Subject: Valuable data!Posted by Wellington on: 11/12/2017
Measet,
Thank you very much for posting this extremely valuable information! It adds to the data base for the 5000. I will have to translate it to English using the Google translator. Now, if someone could locate and post the RY-5500 schematic, we’d all be even more pleased!
A lot of that iron contamination and maybe some of the other contaminants must have come from that worn divot in the thrust plate. That lost material had to go somewhere, and it went into the oil as a suspension.
You say “better to use thinner oil” after noticing that your platter takes longer to come up to speed. Part of that change is viscosity and part of it must be that you have filled the housing to full capacity now.
But why is it “better to use thinner oil”? I would say don’t worry about the viscosity as long as you are matching whatever MS used. I think I posted earlier some words directly from Micro Seiki itself about the oil’s viscosity providing a valuable damping function of rotational resonances. This is not my opinion; it is their design intent, and it makes sense. I know that my friend Jam disagrees and used lighter oil, but I think I will choose to stay with the original intent.
Garrard 301 aficionados (I am not one) argue about the advantages of the grease bearing version versus the oil bearing version. Perhaps a similar argument here.Rerurn to Romy the Cat's Site