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Posts posted by mikesndbs
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All fixed, will put a video out soon
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So mine is from 1974 with the loti dome. She came as part of a set then, I can see on the Hornby collector site a few wagons. I'd like to see if I have them so I can match her up. Can anyone tell me what they were, anyone got access to the 1974 catalogue? Would love a screenshot
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Brilliant info as always! Note the info plate says 21VB, assuming VB is fully fitted or is this one of the 100 that were blow through?
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12 minutes ago, 'CHARD said:
All I observe about that identity is that the K suffix indicates that it's supposed to depict a former private owner wagon that's been taken into capital stock.
As to the actual provenance, I haven't got the book (Rowlands?) to hand just now.
Thanks I found the details now it was part of diagram one/149 lot 3120 a thousand off bill at Sheldon in 1958 so it's odd that it should have the k prefix as you observe
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On 04/03/2024 at 11:32, NIK said:
Hi,
Well spotted. My booster is drawing 440ma at the max setting of my DC rolling road.
Did you measure the current draw at max speed step/max DC voltage?.
Regards
Nik
Hi Nik, no, once I saw double the safe value I intervened.
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1 hour ago, DCB said:
My Lima / Triang DMU combo runs just fine on my On Track controller and a H+M Power master very like the OP has as well as an H+M Safety Minor. However I do get surging with my Triang Halls when descending my 1 in 30 gradient with a heavy train. It's the worm drive binding up, being non reversible, if the motor runs rough it does not happen so as a work round I drive down on half wave on a H+M Safety Minor which is a Variable Transformer like the Powermaster but which has half wave , I am not sure if the OP Powermaster has half wave or if it has high/ low resistance, my safety Minor has both.
Does it surge on half wave? Worth a try.Less so apparently but I guess that's because of the longer gaps between pulses. Not good for these modern motors however
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6 minutes ago, Lazy said:
Perusal of Michael J. Collins' Life and Times - Freightliner suggests the following :
The wagon, being blue, would appear to represent a Batch 2 vehicle - as far as I am aware, some lasted into the post-BR era (I think that a few are still in use in Engineer's trains). Batch 1 vehicles were painted black and virtually all withdrawn by 1989.
Containers in the original livery were carried on trains at least until 1984 judging from photos, but the branding became "Freightliners Limited" after the organisation was split off from BR in 1969.
The container itself is an original Freightliner non-ISO type, but these seem to have been phased out by the end of the 1960s as BR changed to the ISO system. I have not seen any photos of the non-ISO types with the "Limited" branding though - perhaps they did not last long enough.
That's perfect thanks
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Here is a video of them running
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Brilliant info guys thanks. These are being run under DC, but I guess bemf can still be a thing. Is there any cure for it, can't use flyback diodes due to needing to go in both directions
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Hi guys. Yes confirmed DC and not my layout it's a freinds with straight track.
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Has anyone yet identified the difference between the Vector and Crawler by Morley?
They are the same price now but still say there are additional components.
I wonder if they just reduced the smoothing capacitors as per my findings?
Love to know?
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2 hours ago, 'CHARD said:
Are we talking about the flat wagon, the type of container or the corporate livery?
Livery and wagon, thanks
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Guys
I've got an odd issue with my 45.
When I run it from PWM controller (any type) all the lights come on together, red/white and cab lights. Loco runs lovely but all the lights come on. On normal DC normal function is restored. Is this flyback from the motor? if so it must be very efficient, is it coreless?
Thanks
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9 minutes ago, Harlequin said:
That's what the internet says about hifi speakers but empirically I think a sealed enclosure makes the sound louder when used with the typical miniature speaker we're using.
What you have done is very clever and I like how it looks, however the rear of the speaker should not be sealed. The sound from the rear of speakers is important. In hifi speakers it is both passed through baffles and ported to produce base. Constraining the cone also stops it moving properly. If you are happy with how it sounds that great but as an ex speaker producing company employee it's best to leave the back open.
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Hi
Got a CEP and BEP and even a pair of EPBs that run well on their own, they run at close to the same rate also.
But when coupled together there is an odd surging effect when they slow down then speed up again.
Not layout specific nor controller, anyone know what the issue is please?
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1 hour ago, StuartGWR said:
This could be true. But it would involve cutting and stripping tiny wires and waving a soldering iron about in a confined , detailed (expensive!) space -- and then getting all to lie flat and un-noticed. I certainly see the attraction of simply adding on, without cutting into these fragile fittings. It would be interesting to know what voltage the stay-alive works at post-modification, though I doubt whether Mike wants to repeatedly dis-assemble to find out!!
Absolutely correct, why risk things when the suggestion answer is so simple and non invasive. I measured the pads as +3v that of course was without the head tail LEDs in circuit, so with the 200R feed resistance and the LEDs in circuit I think it is just about safe, but close lol
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1 hour ago, Neal Ball said:
Hi, that would only fix one LED and the wires are very delicate. It would also be a material change to the model thus invalidating the warranty. My suggested approach is completely removable. and one resistor fixes both LEDs and coach lights. Hope this helps
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8 hours ago, melmerby said:
Sorry, I'm not good with explanatory videos, I can't concentrate on them, I'll have another look. (I also tend to have the sound off on my PC!☹️)
It's because I've seen far too many You Tubes where someone manages to make the opening of a box a 30 minute waffle fest.😁
I'm from the age when a couple of lines of text and a photo would've done.
Morning, I get that but due to the complexity and so the viewer can see what the modification looks like a video was really the only way.
I know what you mean about box opening, I hope none of mine ever fall into that category 😉
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4 hours ago, Butler Henderson said:
Dapol fit 10k resistors to dim the LEDs in their 73
Very interesting, looks like LED efficiency is massively improved from what it was, typical was 20mA lol now we are uA amazing. The one in this model in my humble opinion need 8k plus.
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4 hours ago, melmerby said:
So you are saying that the original resistor is 6k8 and you have added another 1k0 and the LEDs dim significantly?
Something's wrong there as 1k0 in series with 6k8 will not make a significant difference to a LED's brightness, something else must be going on.
Are you sure the original isn't 680R?
Hi, if you look the video you can see the original resistors and note they are marked 682. Now while 1k is only 14% increase LED brightness is not linear compared to series resistance.
I'd liked to have added 2k but as explained this would have resulted in too much voltage available to the 2.7v capacitor and coach lighting. 1k a good compromise I feel
R455 0-4-0 from 1974
in Modelling Questions, Help and Tips
Posted
All fixed, will put a video out soon
thanks everyone for you help