Mamod "Boulton" Diesel Outline Locomotive.

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Zerogee said:
I have to say that I agree - they should fix it, replace it or at the very least give you a significant refund for your costs in rectifying the problems with it yourself, Casey..... did you try emailing them?

Jon.
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I never gave it a thought Jon. Doh.
 
Hi Paul,
My experiences in dealing with Mamod haven’t been to good either. I have spoken to them asking about buffer beam overlays for my Boulton, the chap on the phone didn’t know what I was on about. I also emailed them on this and other enquiries and never received a reply.
I am surprised at the chassis failing as I know it is made by Essel, I have several Essel locomotives and they have all performed (and still do) very reliably indeed.
Having said that, the roundhouse chassis certainly suits the loco, you have done a superb job.

Regards Alan.
 
James M said:
Hi Paul,
My experiences in dealing with Mamod haven’t been to good either. I have spoken to them asking about buffer beam overlays for my Boulton, the chap on the phone didn’t know what I was on about. I also emailed them on this and other enquiries and never received a reply.
I am surprised at the chassis failing as I know it is made by Essel, I have several Essel locomotives and they have all performed (and still do) very reliably indeed.
Having said that, the roundhouse chassis certainly suits the loco, you have done a superb job.

Regards Alan.
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Alan, the chassis is sound, the problem is with the integrated motor and gearbox. I had the same problem twice with a Roundhouse NDM-6. Roundhouse with their usual excellent service rectified the problem.
 
casey jones snr said:
Alan, the chassis is sound, the problem is with the integrated motor and gearbox. I had the same problem twice with a Roundhouse NDM-6. Roundhouse with their usual excellent service rectified the problem.
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Morning Paul,
See what you mean, I misread your post. If you can get hold of a replacement motor you could reuse chassis maybe.
As you say Roundhouse after sales service is excellent.

Regards Alan.
 
casey jones snr said:
Alan, the chassis is sound, the problem is with the integrated motor and gearbox. I had the same problem twice with a Roundhouse NDM-6. Roundhouse with their usual excellent service rectified the problem.
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Although your issue is with Mamod and under Trading Standards they should be doing something as the Product is "not fit for purpose". I would be tempted to have a quick word with Steve at Essell and see what he has to say. As Alan says their products are soundly engineered and I have a Loco that dates back some 20 or more years and the Gearbox is still fine. Batteries shot and in Works for replacement Batts plus RC. But that is another story.
 
Here is the cause of the failure

This is an image of the back of the gearbox, the boss in the top right carries the output shaft.
The small silver coloured shaft in the (darker) worn hole carries the final stage of the reduction gearing where it engages with the gearwheel on the output shaft. Obviously not going to stay in mesh with that sort of wear.
Best guess is a combination of poorly distributed lubricant at point of assembly and long periods of continuous running. More a case of bad luck than poor engineering.

Partially dismantled awaiting new motor and gearbox assembly at its new home.
 

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