CD motor install

Discussion in 'Product Reviews' started by Dave C, Nov 4, 2021.

  1. Dave C

    Dave C Full Member

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    A few weeks ago I was in Railwayania in Tintern whilst we were on holiday and spotted an early Hornby HST in a display cabinet - power car, dummy and 2 coaches. Always wanted one! A quick test revealed it was a non runner - negotiation and £30 changed hands. Fiddled around with it that evening and using a 9v battery got evidence of life.
    Arrived home. Mysteriously over the next fortnight 4 more coaches arrived in the post - total cost now just under £60. Got it running too. After about 10 circuits it stopped but hummed - only ran in 1 direction. Problem with brushes. Bought new brushes. Problem persisted - brushes catching commutator. Annoyed.
    Brainwave - fit a CD motor. Bought a kit from Strathpepper Junction (via E Bay - less expensive than buying directly). Dead easy to fit. Runs beautifully. Highly recommended. There is also another site selling a similar kit.
     
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  2. Keith M

    Keith M Staff Member Moderator

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    The only thing to be aware of if you use one of theses CD drawer motors is that they are 5 volt, NOT 12 volts, so if using on DC then you either need to add a resistor in series or go easy on the voltage input to the track. If you are using DCC, then it's not so much of a problem as you can alter CV's to limit voltage. I've converted several of the old Lima loco's to CD drawer motors, there is (or was a while back) a guy in Finland selling kits on Ebay UK quite cheaply with full instructions and complete with a new plastic drive cog, and it's a simple and straightforward job to do the changeover.
    Keith.
     
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  3. Dave C

    Dave C Full Member

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    Hi Keith. They do another kit that comes with a resistor but according to the instructions on this one there is no need. I'll double check in the morning and get back to you. Certainly I'm not running it at anything like 12v anyway - I'll check that in the morning too.
     
  4. Moxy

    Moxy Full Member

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    The guy in Finland trades as 'Susumotor.'

    https://www.freewebstore.org/susumotor/Susumotors/cat2469824_2218022.aspx

    The only thing is, you just get the motor & pinion, you don't get the 3D printed cradle that Strathpepper Junction offer.
     
  5. Dave C

    Dave C Full Member

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    Hi Keith. The model I have is a 9v motor rated up to14v. They do a 6v motor but you need to fit a resistor. They do pass comment that it is a CD motor and shouldn't be used for prolonged periods (in excess of 1 hour) e.g. exhibition running.
    I've just run her round the layout - she starts moving very slowly at 1.5v, and at 7.5v she is moving at a fairly rapid rate - I certainly wouldn't run her any faster.
     
  6. Keith M

    Keith M Staff Member Moderator

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    To be honest, I haven't found any need to use any form of 'cradle', I just used 1 layer of thick tape around the motor and that was enough to both fix it firmly and space it correctly in the 'framework' after removing the original motor. I did these conversions several years ago and not had any problem with them since.
    Keith.
     
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