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Author Topic: Which trains need a motor upgrade?  (Read 402 times)

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Offline Sven

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Which trains need a motor upgrade?
« on: September 09, 2018, 04:44:43 pm »
Hi all,
I got to talk to one of the exhibitors today at a model rail event in Woking about the Minitrix 2-6-2 chassis, which was very noisy on his layout. As it happens, I sell small 12V coreless motors through my little venture 'Tramfabriek" and the idea came to me to make coreless motor upgrade kits for N-gauge models. As I have 8x16 and 7x 16 mm motor, they seem to be a perfect fit this Minitrix chassis and possible others. With my 3D printer I can make a casing for the motor so they have perfect fit.

Now my question is, which N-gauge models in your opinion could use a motor upgrade? Modern coreless motor will give they low driving capabilities and a much more silent running, while still maintaining torque.

Looking forward hearing some suggestions.

Sven

Coreless 12V mini motors at tramfabriek.nl

Offline PLD

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Re: Which trains need a motor upgrade?
« Reply #1 on: September 09, 2018, 05:04:14 pm »
The most obvious candidates are some of the early Dapol steam locos, which have detailed bodies which are as good as anything more recent but are variable runners due to relatively crude motors.
  • LMS Ivatt 2-6-2T
  • GW Prairie 2-6-2T
  • GW 0-4-2T

Offline RailGooner

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Re: Which trains need a motor upgrade?
« Reply #2 on: September 09, 2018, 05:14:28 pm »
Welcome aboard Sven! :wave:

Almost every loco I own would benefit from a quieter motor. But my hearing deteriorates daily, so I'm hoping the problem will resolve itself. :D
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Offline Sven

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Re: Which trains need a motor upgrade?
« Reply #3 on: September 09, 2018, 05:21:12 pm »
Thanks for the feedback! I guess the older ones, that are still popular but not easy to get, will be expensive on eBay. I'll have to look for non-runners. Or unless there is someone living close to Windsor, we might work together in getting the models upgraded, which will be free for you.
Coreless 12V mini motors at tramfabriek.nl

Offline ntpntpntp

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Re: Which trains need a motor upgrade?
« Reply #4 on: September 09, 2018, 05:40:47 pm »
I'd be interested in testing motors like those.

A few years ago I bought some sets of motor/flywheel/worm from a japanese guy who was selling them at the ExpoNG narrow gauge show.   I've tried them in the old Minitrix 2-6-2T and 0-6-0 diesel shunter and they fit nicely in the available space. In the 2-6-2 I was even able to use the original motor retaining clip, whilst in the shunter a bed of epoxy has done the job.

They work well, but being smaller I think have a little less torque than the original graunchy Minitrix motor so I'd be interested to see how these coreless motors compare?






« Last Edit: September 09, 2018, 08:49:04 pm by ntpntpntp »
Nick.   2016 celebrating the 20th anniversary of "Königshafen" exhibition layout!

Offline Sven

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Re: Which trains need a motor upgrade?
« Reply #5 on: September 09, 2018, 06:44:08 pm »
I've heard of fears coreless motors not having enough torque. I've opened one up and it actually seems to have a thicker layers of copper wires than the Maxon I opened, potentially giving it more torque. Trying to be objective as possible, the power of these motors surprises me every time. That and it's small size is the reason I install them virtually in all my trains/trams. I actually made a video of a power test. And this little loco was only 32 grams, imagine how much it can pull with more weight. I also tested how much current it can take. It is rated as 12V, but I tried to run it on 17V. Only after 9.5 hours it failed (don't try this at home, your warranty is not covering this. :no: ), so I was impressed again. I received some pre-production motors of the 7 mm Ř with two shafts, just as impressive. But I haven't done real world tests with that one yet.

See the test video here:
https://www.youtube.com/watch?v=nWsSrThWlHQ&t=13s
Coreless 12V mini motors at tramfabriek.nl

Offline ntpntpntp

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Re: Which trains need a motor upgrade?
« Reply #6 on: September 09, 2018, 07:07:06 pm »
Ooooh... my son would love one of those trams for his HOe
Nick.   2016 celebrating the 20th anniversary of "Königshafen" exhibition layout!

Offline Hyperion

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Re: Which trains need a motor upgrade?
« Reply #7 on: September 10, 2018, 06:02:55 am »
I'd be interested in these motors for scratch building as much as replacements.
DC or DCC, that is the question.

Offline Sven

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Re: Which trains need a motor upgrade?
« Reply #8 on: September 10, 2018, 08:09:18 am »
You can if you like. Get them here: https://tramfabriek.nl/acc/12vmotor.html
Coreless 12V mini motors at tramfabriek.nl

Offline ntpntpntp

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Re: Which trains need a motor upgrade?
« Reply #9 on: September 10, 2018, 08:44:53 am »
Excellent, I'll look into ordering a sample and also pre-order the double-ended version.
Nick.   2016 celebrating the 20th anniversary of "Königshafen" exhibition layout!

Offline Dr Al

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Re: Which trains need a motor upgrade?
« Reply #10 on: September 12, 2018, 09:55:31 pm »
I second PLD's comment for a replacement for the early Dapol cans that rev too highly. I'd replace all mine if a credible alternative coreless was available.

Cheers,
Alan
Quote from: Roy L S
If Dr Al is online he may be able to provide a more comprehensive answer.

Offline geoffc

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Re: Which trains need a motor upgrade?
« Reply #11 on: September 14, 2018, 10:25:37 am »
Early Dapol Class 66's must be a prime candidate as mine make more noise than a coffee grinder. I would willingly let Sven have the loan of mine to try to re-motor.

Geoff

Offline Sven

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Re: Which trains need a motor upgrade?
« Reply #12 on: September 14, 2018, 12:09:34 pm »
Geoff, if you can contact me by email at Sven (at) tramfabriek.nl and send me a picture of the inside of the train, we can arrange something. If I think it is possible, I'm happy to do a free installation of the motor (including motor), in order to make and sell a kit for it.
Coreless 12V mini motors at tramfabriek.nl

 

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