Search found 204 matches

by Bramshot
Wed May 02, 2018 10:52 am
Forum: N Gauge Model Railway
Topic: Removing Dapol A4 loco body?
Replies: 5
Views: 1869

Re: Removing Dapol A4 loco body?

I just got an early BR unvalanced version and find that the instructions for removing the loco body are indeed correct. So it is a major job not to be undertaken lightly.
by Bramshot
Sat Apr 28, 2018 3:48 pm
Forum: DCC Forum
Topic: Converting the Flying Scotsman to DCC
Replies: 29
Views: 2511

Re: Converting the Flying Scotsman to DCC

According to the OP the loco is now running fine on DC with decoder removed and original wiring restored, which I took to mean was running on the track on DC, so easier to monitor the supply current to the track to connect to the motor wires ( the body might be back on again for all we know), than d...
by Bramshot
Fri Apr 27, 2018 5:39 pm
Forum: DCC Forum
Topic: Converting the Flying Scotsman to DCC
Replies: 29
Views: 2511

Re: Converting the Flying Scotsman to DCC

According to the thread, the OP has removed the decoder at this point to do the dc testing.
by Bramshot
Thu Apr 26, 2018 10:20 pm
Forum: DCC Forum
Topic: Converting the Flying Scotsman to DCC
Replies: 29
Views: 2511

Re: Converting the Flying Scotsman to DCC

So what is wrong with simply running the loco with a rake of coaches around the track and inserting the meter into the dc supply to the tracks? That will give true indication of the current while running. Hold the loco stationary to get stall current.
by Bramshot
Wed Apr 25, 2018 10:36 am
Forum: DCC Forum
Topic: Converting the Flying Scotsman to DCC
Replies: 29
Views: 2511

Re: Converting the Flying Scotsman to DCC

If it was running at or marginally over the rated value for 3 hours continuous, it could just eventually fail without any catastrophic signs, which is what you might expect if it had been massively overloaded and simply gone pop. However. I know nothing about this decoder and it may have overcurrent...
by Bramshot
Tue Apr 24, 2018 2:01 pm
Forum: DCC Forum
Topic: Converting the Flying Scotsman to DCC
Replies: 29
Views: 2511

Re: Converting the Flying Scotsman to DCC

What is the current draw for that old motor? I see the decoder is 0.5 A motor current.
When you say the controller says it’s a short circuit, I assume you mean it trips?
by Bramshot
Sun Apr 15, 2018 12:53 pm
Forum: N Gauge Model Railway
Topic: Removing Dapol A4 loco body?
Replies: 5
Views: 1869

Re: Removing Dapol A4 loco body?

Update. I have found out what is causing the horrible noise and jerky movement. It is the Gaugemaster decoder! I swapped it for another one (Zen, without its stay alive), with the tender body removed and the loco was transformed. The motor was running erratically and vibrating with the GM decoder, a...
by Bramshot
Sun Apr 15, 2018 10:45 am
Forum: N Gauge Model Railway
Topic: Removing Dapol A4 loco body?
Replies: 5
Views: 1869

Re: Removing Dapol A4 loco body?

Mountain, if my experience is anything to go by, I wouldn’t bother. Looks nice, runs very badly, especially at low speed, sounds like its full of grit in the gears, but it isn’t! I saw some instructions that involve detaching the valve gear from the driving wheels, as the support for that is bonded ...
by Bramshot
Sat Apr 14, 2018 10:48 am
Forum: N Gauge Model Railway
Topic: Removing Dapol A4 loco body?
Replies: 5
Views: 1869

Re: Removing Dapol A4 loco body?

Never mind, I managed eventually to shake them out without removing the body.
by Bramshot
Fri Apr 13, 2018 7:33 pm
Forum: N Gauge Model Railway
Topic: Removing Dapol A4 loco body?
Replies: 5
Views: 1869

Removing Dapol A4 loco body?

Have bought a Dapol A4 as I needed another LNER loco, despite my reservations about the tender shaft drive. I have managed to lose the cardan shaft in the loco body (fell in!). How do you remove the loco body? I have tried removing all the likely screws but no luck. Don’t want to tug it too hard.
by Bramshot
Mon Apr 02, 2018 1:03 pm
Forum: DCC Forum
Topic: MRC Prodigy Advance DCC controller.. any good?
Replies: 17
Views: 2815

Re: MRC Prodigy Advance DCC controller.. any good?

I also suspect a production batch issue, as far as the knob problem is concerned, but other issues indicate that the manufacturer’s quality control has gone downhill. I originally got the Express with a Dapol N starter pack. My local store owner said that he had seen many using Gaugemaster control s...
by Bramshot
Mon Apr 02, 2018 8:52 am
Forum: DCC Forum
Topic: MRC Prodigy Advance DCC controller.. any good?
Replies: 17
Views: 2815

Re: MRC Prodigy Advance DCC controller.. any good?

For what it’s worth, I have had three Prodigies through my hands in the past two years and all have suffered from a control knob fault. The knob has a sort of click action when you turn it, and when new you get a speed increment or decrement at each click. Mine stopped doing this and you sometimes h...
by Bramshot
Sat Mar 17, 2018 10:44 am
Forum: DCC Forum
Topic: Decoder wire connector
Replies: 10
Views: 976

Re: Decoder wire connector

You can buy the ones used by Dapol pre wired to short lengths so no crimping tool required, from Layouts 4 U. Available in 2or 3 pin, Dapol use the 3 pin.
by Bramshot
Sat Mar 17, 2018 10:25 am
Forum: N Gauge Model Railway
Topic: Farish 4MT 2-6-0 issue's
Replies: 1
Views: 830

Re: Farish 4MT 2-6-0 issue's

I have had loads of issues with coupling rods on new locos, sometimes the wheels seize, I have had a problem similar to yours and managed to slightly bend things to obtain clearance. Is the crank pin actually fully screwed in? I have had loose ones. There usually is quite a bit of sideplay to allow ...
by Bramshot
Thu Mar 15, 2018 10:01 am
Forum: DCC Forum
Topic: loco stops then jerks
Replies: 14
Views: 1768

Re: loco stops then jerks

I would not remove diodes. Does the loco have a coreless motor? Zimo state that the default value for CV56 is not suitable for these and you should add 100 to the value. Not sure what effect this has, as I used to run my coreless motors with the default value (my decoder is the new 6 pin Bachmann on...

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