Poor running "old" British N models

 
  Gremlin Assistant Commissioner

Hi All

Another question without notice Smile

I have about 10 Graham Farish locomotives from the 80s/90s - some are 5 pole, others not; and also one Minitrix 5 pole.

I have set out a loop of track, more of an oval really, 2m * .6m.  Track has been cleaned with an abrasive track cleaner, then further cleaned with liquid track cleaner.  Soldered power connector to the track and plugged in to a DC controller.

None of the locos run smoothly at slow speed, none can crawl at all.  All perform well at an unrealistic speed however Smile  I have disassembled six locos, cleaned them, lubricated them, put them back on the track and ..... no change.  I have used two different DC controllers - no change.  Not talking about jerking from poor pickups etc, just unable to run slowly....

On the other hand, running "modern" (bought with the last two years) Gopher locomotives, Kato and aust-n-rail (Atlas chasis I guess) is an absolute joy, with smooth running from low speeds, excellent crawling etc.

So....it is time to ditch the old locos (if so, they will be here an/or FleaBay soon)?  Will "modern" versions run better and if so, why (some old ones are 5 pole, so that can't be all there is to it)?  Can something be done to make them run better/slower (remember, have reassembled and cleaned and checked contacts), DCC?

Cheers

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  TheBlacksmith Chief Commissioner

Location: Ankh Morpork
First Throwaway answer: Ditch the pommy junk and get into Australian modelling.

Second more considered response: Do you run the old locos frequently, or is this the first time they have been out for a while?
  Gwiwer Rt Hon Gentleman and Ghost of Oliver Bulleid

Location: Loitering in darkest Somewhere
They shouldn't require binning.  Models of that age can get a bit sticky if not run for some time and might respond to being run in for an hour or so in each direction.  It's strange to think that those models might now be 25 - 30 years old; how far have we come in that time in terms of miniature power and reliability?  

I'd say give them a good service, a decent run-in (albeit at unrealistic speeds) and see where you go from there.
  v-locity Station Master

Location: The Frankston Line
They shouldn't require binning.  Models of that age can get a bit sticky if not run for some time and might respond to being run in for an hour or so in each direction.  It's strange to think that those models might now be 25 - 30 years old; how far have we come in that time in terms of miniature power and reliability?  

I'd say give them a good service, a decent run-in (albeit at unrealistic speeds) and see where you go from there.
Gwiwer
I think this sums it up as this is what i have done in the past and it has worked well.
  TheBlacksmith Chief Commissioner

Location: Ankh Morpork
Seriously, I go along with what Gwiwer said, good but spare lubrication and plenty of running should see them come good. It sounds as if it is a combination of stickiness and dodgy power collection.

Even with brand new items you can get similar symptoms. I actually run my drive mechanisms at around 40,000 RPM for a minute to free them up, without the motor connected of course.
  Gremlin Assistant Commissioner

Thanks team!!!  I will run them each at about 300 km/h (scale) and see how we go!

As I said, they have been disassembled, cleaned and lubricated - the Minister of Finance, who holds a second portfolio as Minister of War, likes the British stuff, even if I *did* move on to Australian stuff some time ago.  Pays to keep the peace Smile

Cheers
  xdford Chief Train Controller

Thanks team!!!  I will run them each at about 300 km/h (scale) and see how we go!

As I said, they have been disassembled, cleaned and lubricated - the Minister of Finance, who holds a second portfolio as Minister of War, likes the British stuff, even if I *did* move on to Australian stuff some time ago.  Pays to keep the peace Smile

Cheers
Gremlin
Have you actually cleaned the wheels by running them over a cloth with white spirit? I have seen Farish locos in N scale in the UK and depite my misgivings about the mechs they were running well albeit not like the Kato ones. If you are not sure how to do this check Hints and Tips in my web site http://www.xdford.digitalzones.com

Good luck

Trevor
  Gremlin Assistant Commissioner

Have you actually cleaned the wheels by running them over a cloth with white spirit? I have seen Farish locos in N scale in the UK and depite my misgivings about the mechs they were running well albeit not like the Kato ones. If you are not sure how to do this check Hints and Tips in my web site http://www.xdford.digitalzones.com

Good luck

Trevor
xdford
The 300 km/h for 40 minutes in both directions seems to have done the trick!

Trevor, I had already cleaned the wheels, disassembled and reassembled the mechanisms, cleaned and lubricated everything - but the nearly supersonic running for prolonged times did the job!

Thanks for all who had suggestions.

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