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Old 12th July 2002, 04:06 AM   #1
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Default Turntable belts in Australia

I am modifying my turntable (in conjunction with my DIY Uni-Pivot) and I am looking for a turntable belt for a reasonable price. I need a belt with the same cross-section as that used on a Rega P3, but about 600 to 700mm total length.

Does anyone know a supplier in Australia who sells belts this size, for a reasonable price? I know there are a lot of users in Australia who are frequent posters here.

The reason I am asking is because I wish to mount the upgraded motor in a pod which is separate from the plinth. Is this silly?
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Old 12th July 2002, 04:09 AM   #2
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What is the cross section of the belt.

Eric.
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Old 12th July 2002, 07:18 AM   #3
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The cross section is 1.70mm (diameter)

I had thought of trying to use thread or tape, but the diameter around the pulley would be too small and would change the speed.
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Old 12th July 2002, 08:06 AM   #4
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<b>The reason I am asking is because I wish to mount the upgraded motor in a pod which is separate from the plinth. Is this silly?</b>

Hell no. I have a Gyrodeck with the full acrylic plinth, and making a new base for it similar to the SE, with the motor in a seperate pod, made an immediately discernable improvement. It's actually all in pieces again at the moment having the final version made. Its a cheap experiment anyway. Once you've done it, try a motor controller.

As to the belt, I'm sure eric will chime back in with suggestions, but the best place I've found for these things is WES Components in Ashfield Sydney. Now you know the diameter, determine the length you want, give them a call and I bet they can send one out promptly. Coupla' days, m<i>aaa</i>te, bewdy.

W.E.S. COMPONENTS
138 Liverpool Rd Ashfield 2131
Phone (02) 9797 9866
Fax (02) 9716 6015

See if you can get a catalogue too. They have tons of useful and unusual stuff you can't get most places.

I've been watching your unipivot project with some interest. It's something I'd like to try next year once tha amps and speakers are done.

Cheers
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Old 12th July 2002, 02:09 PM   #5
dice45 is offline dice45  Germany
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rookster,

maybe you try a maxon DC motor and magnetic tape as belt.? And use the platters outer surface as belt rim.

That's my choice.
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Old 13th July 2002, 02:55 AM   #6
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Hello rookster,
You can try St Lucia Electronics in Bowen Hills ?, or get hold of a WES catalogue.
If you are wanting a round section belt, rubber rod is available in differing diameters for making custom O rings - Repco etc ?.
Cut to lenght and join the ends with high quality superglue.

Regards, Eric.
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Old 15th July 2002, 03:53 AM   #7
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Dice45,

I would like to implement a Maxon DC motor, but I don't know how to control it or what model motor to use. I would be keen to try this instead of the Rega upgrade motor.

Mrfeedback,

From past experience, when glueing an o-ring strip together (with Loctite 406), the joint becomes rigid and brittle and eventually fractures due to the constant bending around the small pulley. It may be possible to remove the small pulley, put on a larger one and then drive the platter directly, keeping the ratio of diameters the same. The belt may stay together then.

What do you think?
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Old 16th July 2002, 01:26 AM   #8
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Hello rookster, Yes you would be better with a larger diameter pulley.
I think RS Components have a range of ready made pulleys.
If you are going to all this trouble it is likely better to run a flat belt, or even a 1/4" tape belt as is Bernards suggestion, and he also seems very keen on the Maxxon motors.
Another cheap souurce is to take the capstan motor from an old VCR.
Modern VCR's run a direct drive capstan motor, older VCRs run a seperate flat belt coupled high quality DC motor.
Modern DD capstan motors are variable speed and very smooth, and also suitable.

Regards, Eric.
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Old 16th July 2002, 04:06 AM   #9
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mrfeedback and DICE45

Thankyou for the replies. I will look at a couple of ideas.

I do like the idea of a DIY moter and controller, but as the Aussies
know, it is not always easy to find exotic parts in Australia. Maybe I have not looked hard enough.
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Old 16th July 2002, 01:35 PM   #10
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Default Motor Info

Hi Bernard, what is the diameter of your flat belt pulley and the rotational speeds of the Maxon motor that you recomend for 33/45/78 playback ?.

Thanks, Eric.
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