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Hornby 2021 - 4 & 6 wheel period coaches


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I was thinking more of mechanical forces, rather than magnetic, as implied by this:

On 27/01/2021 at 13:04, DrStroganoff said:

Oddly,  it only seems to be doing it when running with my Bachmann Dukedog (which runs like a bit of a dog).   When coupled to my Bachmann Class 08 (smooth runner), lights stayed on.

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2 hours ago, Butler Henderson said:

If the problem is the reed switch triggering then the Dukedog motor is presumably emitting a magnetic field - suggest draping foil over the Dukedog which might be sufficient to cut out the field. If it does stop the problem then the fun commences in trying to provide a shield in either the Dukedog or the coach, or both.

 

TIn-foil hat time?

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Another wizard wheeze might be to run the coach behind something which doesn't affect it, Then run the Dukedog on a parallel track and see what happens when they pass. 

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16 hours ago, Nile said:

It won't go round train set curves now, but looks a lot better. I've only checked it with Peco large points.

Actually it's ok down to second radius, including a reverse curve. Not bad.

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Just to say that I received unexpectedly 3 of the Hornby GWR 4-wheelers - they weren't ordered, but nevertheless included in my parcel. I have to say that they're not that bad for 'generic' coaches. I had read the comments earlier regarding the duckets and the rather bare underframes, but notwithstanding, the finish is quite good.

 

If I hadn't read the comments, I wouldn't really have been any the wiser!

 

I await with impatience for the Hattons' ones as they were the ones I wanted. I see no reason why the Hornby and Hattons' ones couldn't happily live side-by-side. As in the photos posted above, there appears to be a real mixture of stock in 4/6-wheel rakes. I can see further acquisitions being made!

 

If anyone is interested, L&B of Cardiff have received stocks of the 6-wheelers.

 

Cheers,

 

Philip

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4 hours ago, Butler Henderson said:

On those with compartments how high do the partitions extend given the light strip? Thinking of making an open third a compartment third.

 

 

Does this help.

 

1675528320_Dscn2665640.jpg.515d2ad74c19f8da625bc7b4dc68deee.jpg

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Unfortunately, the end of the LNER brake coach is not painted properly and the light shines through. the whole part is made of clear plastic and the light is only blocked by the paint.
Two of the coaches had difficulty turning on the lights. But in both cases it was due to the battery contacts.

 

IMG_20210131_103707684.jpg.8a0fb6628fbb487d96cbdfbd58606708.jpg

 

Aristoteles Held

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34 minutes ago, kwste said:

Unfortunately, the end of the LNER brake coach is not painted properly and the light shines through. the whole part is made of clear plastic and the light is only blocked by the paint.

Prototypical ghost train - explains the weird brake end for a LNER vehicle.

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51 minutes ago, kwste said:

Unfortunately, the end of the LNER brake coach is not painted properly and the light shines through. the whole part is made of clear plastic and the light is only blocked by the paint.

 

Paint it black on the inside?

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22 hours ago, Butler Henderson said:

If the problem is the reed switch triggering then the Dukedog motor is presumably emitting a magnetic field - suggest draping foil over the Dukedog which might be sufficient to cut out the field. If it does stop the problem then the fun commences in trying to provide a shield in either the Dukedog or the coach, or both.

Certainly not kitchen foil as that is made from aluminium and will pass magnetism.

 

You need a mu-metal shield:jester:

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Running on my main layout today, had issues with both of my carriages turning their lights on and off by themselves, it seems to occur over power feeds and points. Really disappointed with the lighting, I really liked the idea, especially running on DC that lighting would stay on when stopped at a station. But am really considering returning them as they do not work as they should.

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2 hours ago, kwste said:

Unfortunately, the end of the LNER brake coach is not painted properly and the light shines through. the whole part is made of clear plastic and the light is only blocked by the paint.
Two of the coaches had difficulty turning on the lights. But in both cases it was due to the battery contacts.

 

IMG_20210131_103707684.jpg.8a0fb6628fbb487d96cbdfbd58606708.jpg

 

Aristoteles Held

What about a piece of thin card cut to the shape of the end and with cut outs for the windows and printed with the interior details? 

Edited by PhilJ W
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2 hours ago, kwste said:

Unfortunately, the end of the LNER brake coach is not painted properly and the light shines through. the whole part is made of clear plastic and the light is only blocked by the paint.
Two of the coaches had difficulty turning on the lights. But in both cases it was due to the battery contacts.

 

IMG_20210131_103707684.jpg.8a0fb6628fbb487d96cbdfbd58606708.jpg

 

Aristoteles Held

 

Cutting and shutting onto a bogie frame would make them a terrific "pre-grouping" EMU...

 

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Think I might have inadvertently found the cause of  the lights self triggering off or on. With a view of changing the roof fittings I decided it would be advisable to  temporarily remove the lights so that  a drill does not damage the pcb. With both fitting screws removed the pcb was still tight on the mountings and needed levering off them which resulted in it falling out onto the floor and the lights came on. Picking it up I gave it a shake and the lights went off. So it seems a jerk in the motion of a train or a bounce on a frog or poorly aligned rail joint could be enough to trigger them. The pcb incidentally does not include another magnet as I and others thought. It has six resistors (4 1k ohm, presumably one per  LED),   two transistors and an IC. The pcb has also has markings for a number of components that are not fitted; a further IC, two resistors, a diode and a capacitor

Hornby coach light strip.jpg

Edited by Butler Henderson
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1 hour ago, Butler Henderson said:

Think I might have inadvertently found the cause of  the lights self triggering off or on. With a view of changing the roof fittings I decided it would be advisable to  temporarily remove the lights so that  a drill does not damage the pcb. With both fitting screws removed the pcb was still tight on the mountings and needed levering off them which resulted in it falling out onto the floor and the lights came on. Picking it up I gave it a shake and the lights went off. So it seems a jerk in the motion of a train or a bounce on a frog or poorly aligned rail joint could be enough to trigger them. The pcb incidentally does not include another magnet as I and others thought. It has six resistors (4 1k ohm, presumably one per  LED),   two transistors and an IC. The pcb has also has markings for a number of components that are not fitted; a further IC, two resistors, a diode and a capacitor

Hornby coach light strip.jpg

 

Fascinating.

 

A little magnet on the reed switch to convert it into a latching one and you'd get much simpler electronics  - and from the sound of things something rather more reliable.

 

4 hours ago, melmerby said:

You need a mu-metal shield:jester:

 

Or metglas

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1 hour ago, Butler Henderson said:

Definitely and the reed switch needs a reasonably stable mount; wondering if the PCB was fitted with a sprung mounting that might stop the false triggering.

Might also be how accurately the Reed switch is mounted, one would assume if it were “side oriented” the up and down jerking motion wouldn’t affect it so much, you may have to use the magnet at one side of the roof though rather than directly above.....?

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On 27/01/2021 at 14:04, DrStroganoff said:

it only seems to be doing it when running with my Bachmann Dukedog (which runs like a bit of a dog)

 

4 hours ago, Butler Henderson said:

 So it seems a jerk in the motion of a train or a bounce on a frog or poorly aligned rail joint could be enough to trigger them.

 

That seems to be a match.

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Video review of a couple of the carriages, for a look at the lighting skip to 02:10. The first class carriage has the awful bleed down its sides, showing the shape of the seating, while the 3rd class brake doesn't, but does have the bleed through the end of the carriage.

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