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Author Topic: Dr Al's workbench - B12/3  (Read 53623 times)

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Offline Newportnobby

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Re: Dr Al's workbench - V1, V3
« Reply #375 on: December 04, 2018, 11:19:16 AM »
Smashing. Just smashing, Alan

Offline DCCDave

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Re: Dr Al's workbench - V1, V3
« Reply #376 on: December 04, 2018, 12:11:45 PM »
Al,

Wow! Just wow.

That V1 looks ace, and the D49 is pretty awesome too.

Cheers
Dave

Online Dr Al

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Re: Dr Al's workbench - V1, V3
« Reply #377 on: December 07, 2018, 11:59:24 PM »
Well, some steps forward, and some back. After the lining had been completed on the D49, only matt varnish remained - and disaster! Some of the lining lifted on spraying with Testors dullcote  :doh: :doh: :doh:

Clearly the base paint wasn't quite gloss enough for all the decals to properly adhere.

Fortunately it was the top boiler bands and the bases of the splashers only, so a few days of work had to be undertaken to rectify and save. The lifting bands were carefully scraped off, with care only to lift them and not any surrounding (now matt and finished) paint. Also the splasher bases. Then I painted the black areas of the splashers and the boiler bands gloss black. This gave a fresh surface to take replacement decals. These were applied and then one dry, each area that was now still gloss was overcoated in Humbrol matt cote, with a fine brush to seal. This brought it all back into line, and hopefully you can't see the joins!





This now needs running shakedown, probably some added loco weight, and the cylinder draincocks added. It's short a whistle too!

For @Atso - this overall has gone very well - I'd suggest a few (very minor) changes if you open this up to Shapeways
- add blocks behind the cab steps where Dapol style screw terminals for loco-tender wires could be added
- add blocks to the front splashers that the nameplates can side against. This would also probably strengthen the splashers.
- consider adding front steps - either as part of the print (folk could hack them off if clashing) or as a separate part that folks could fit.

Whilst doing the lining repairs, I completed lining another older 4MT that I want to get cleared - it's been knocking about for a while, and I need to clear the backlog and regain some space! This will be for sale reasonably cheaply when done if anyone is interested.



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

“We have also arranged things so that almost no one understands science and technology. This is a prescription for disaster. We might get away with it for a while, but sooner or later this combustible mixture of ignorance and power is going to blow up in our faces.” – Dr. Carl Sagan

Offline thebrighton

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Re: Dr Al's workbench - V1, V3
« Reply #378 on: December 09, 2018, 07:49:38 PM »
I've had issues in the past with transfers lifting when sprayed with varnish. Now I always brush a quick coat of Klear over them before spraying. Never had an issue since :)

Online Dr Al

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Re: Dr Al's workbench - V1, V3
« Reply #379 on: December 09, 2018, 08:08:37 PM »
I've had issues in the past with transfers lifting when sprayed with varnish. Now I always brush a quick coat of Klear over them before spraying. Never had an issue since :)

I suspect that the areas where there were problems were not as gloss in the first place - I have in the past airbrushed gloss afterwards to seal before then dullcoting, but I've quite often got away with skipping this step - not this time though!

We live and learn - fortunately it was all fixable without having to fully repaint (the worst possible outcome!). I guess I'll consider going back to gloss coating - though having always airbrushed finishes, I'm reluctant to brush paint gloss.

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

“We have also arranged things so that almost no one understands science and technology. This is a prescription for disaster. We might get away with it for a while, but sooner or later this combustible mixture of ignorance and power is going to blow up in our faces.” – Dr. Carl Sagan

Online Dr Al

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Re: Dr Al's workbench - V1, V3
« Reply #380 on: December 26, 2018, 10:45:39 PM »
Holiday season is increasingly one for trying to wrap up unfinished projects in order to clear the decks for the coming year. This year is no exception, and one area of projects are a plethora of wagons that need finished. The first few I've now done and passed into the fleet.

First are 3 Midland brake vans - standard Peco kits I've had lying around for ages - either build them or sell them! So they have been completed:



Next is an ex-LNER double bolster wagon - again from a Peco kit, but with chassis modified to be less 'modern' and more realistic. Not perfect, but something different.



Final is a N Gauge Society LMS trestol wagon. This was obtained built, secondhand, but unfinished - I've added coupling hooks, replaced the wheels and painted it. Decals were a real problem - finding out their positions and text was not easy without the kit instructions, so a massive shout must go out to the member here who sent me a copy of the instructions. This gave numbers (reproduced correctly) and the correct designation of Trestrol MB. No shout to the NGS - an email to the helpline was ignored - very nice.....what am I paying for in this society exactly....?



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

“We have also arranged things so that almost no one understands science and technology. This is a prescription for disaster. We might get away with it for a while, but sooner or later this combustible mixture of ignorance and power is going to blow up in our faces.” – Dr. Carl Sagan

Offline exmouthcraig

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Re: Dr Al's workbench - V1, V3
« Reply #381 on: December 26, 2018, 10:54:25 PM »
 :claphappy: another rake of fantastic looking kit there Al, im desperatly trying to clear the bench of 37 built wagons in varying degrees of completion plus my 10 new peco kits that arrived under my tree yesterday morning.

Oh how I long for a holiday to sit and finish this stuff!!

Online Dr Al

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Re: Dr Al's workbench - V1, V3
« Reply #382 on: December 28, 2018, 10:22:30 PM »
Some more progress made on a few things tonight.

First was fitting a drawbar to the Ivatt 4MT - this is applicable to shortening the standard Farish 4MT 2-6-0 drawbar down from it's excessively long as supplied nature. Some PCB is used, and this is the closest the loco/tender can come and still negociate 9" curves. It looks worse on this loco as the cab footplate has been cut back as correct for the Ivatt version.





It looks crude, but is functionally the same as the original, albeit shorter. I've left it wider than the original for added strength.

Also, I've finally got round to fitting the whistle and cab glazing to the D49 - so this is off to find a storage box and endure some test running.



Finally, something for the D49 to tow, is rather an oddity - this was won on ebay a little time back, probably overpaid for it given the condition. It's a Gresley 52' coach. The body is of completely unknown origin, as were the bogies, though it was on elderly Minitrix wheels, and one coupling box had clearly been damaged and glued hard onto the underframe making it functionally useless. I've removed the original bogies and replaced them with spares that came with the NGS Gresley full brake (no idea why it had extra bogies, but very useful), and Romford wheels, cutting down the ride height in the process to match a Minitrix Gresley. The buffers are still a fraction high but nothing major.



More needs done, but some input is needed before it can progress - perhaps @Atso will know. I need a source of suitable coach buffers (those originals are awful) - those being the round flat topped Gresley style, which for once N-Brass locos don't have, and also corridor connections - does anyone know of any suitable substitutes?

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

“We have also arranged things so that almost no one understands science and technology. This is a prescription for disaster. We might get away with it for a while, but sooner or later this combustible mixture of ignorance and power is going to blow up in our faces.” – Dr. Carl Sagan

Online Stevie DC (formerly Atso)

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Re: Dr Al's workbench - V1, V3
« Reply #383 on: December 28, 2018, 11:27:16 PM »
Lovely work Alan. I like what you've done with the D49, I might have to try out the Farish tender body with the Dapol frames for, the long stalled Middleton project.

Likewise, I really like the 'Flying Pig'. While out of both my chosen period and geographical location, it is a locomotive that appeals to me for some reason. Nice work!

Regarding the coach. Could that be an old Ian Kirk kit? It doesn't look too shabby as it is, although the middle horizontal beading doesn't look quite in the right place.

Buffers: I believe than Alan Cox did some 3D printed buffers for his kits; although I'd prefer some turned brass ones myself. From memory, the Nbrass CCT buffers with the top of the head filled flat might serve but I don't think it is in the retracted position.

Alan also acquired a stock of Dapol Gresley 8'6 bogies or you could try the excellent etched kit from the 2mm Association of the same type.

The 52' stock was built for the GE section to fit into Liverpool Street and, at least in LNER times, their appearance on other parts of the system would be rare. I do suspect that they, like other stock, might have become more widely used in BR days though. If you'd like something a bit different, you could replace the trust rods with the earlier turn buckle type and fit oval buffers to represent a 1920s/early 1930s build (diagram permitting).

Offline martyn

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Re: Dr Al's workbench - V1, V3
« Reply #384 on: December 29, 2018, 08:58:22 AM »
Hello Alan;

I've no idea where this coach originates from, but it looks good for the dia. 146 BTK. These did have truss rod framing when first built, 'clipped' buffers, and 8'6" bogies with footboards similar to the Dapol ones. BH Enterprises do provide etched sides for 52' stock so is from them? Original bogies from MTK (sadly now lost)?

I previously bought the clipped buffers as brass turnings from Etched Pixels/Ultima, but as Steve has said, I think Alan now does 3D prints for them. EP reference UM113/113A/113B in his catalogue. I don't know which diameter these are on the real thing. UM356 appears to be the 52' tie rod underframe. As the build period spread was 1930-1936, I would suggest that they changed to angle underframes during the build time, but I haven't a photo.

HTH

martyn

« Last Edit: December 29, 2018, 09:10:57 AM by martyn »

Online Stevie DC (formerly Atso)

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Re: Dr Al's workbench - V1, V3
« Reply #385 on: December 29, 2018, 09:22:31 AM »
I previously bought the clipped buffers as brass turnings from Etched Pixels/Ultima, but as Steve has said, I think Alan now does 3D prints for them. EP reference UM113/113A/113B in his catalogue. I don't know which diameter these are on the real thing. UM356 appears to be the 52' tie rod underframe. As the build period spread was 1930-1936, I would suggest that they changed to angle underframes during the build time, but I haven't a photo.

Hi Martyn,

As a general rule, angle iron underframes came in around the same time as the clipped buffers but during the change over period there were exceptions and it is best to check photos if you're looking to make an accurate model of a particular coach.

Were the MTK bogies the injection moulded ones? If so, BHE does these but in white metal. However, I found that there wasn't enough flex to fit the wheels without breaking the castings! For use as overlays though...

Offline thebrighton

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Re: Dr Al's workbench - V1, V3
« Reply #386 on: December 29, 2018, 11:45:11 AM »
Hi Alan,
That coach looks remarkably similar to an Ian Kirk 52' full brake I picked up off Ebay a while back. It, too, had basic Gresley bogies moulded in plastic with Minitrix wheels. Underframe is identical and unless you've added them since had identical folded paper gangway connections.
The D49 looks superb :)

Offline martyn

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Re: Dr Al's workbench - V1, V3
« Reply #387 on: December 29, 2018, 01:14:13 PM »
Hi Steve;

Reply #385; Whilst I agree with what you say about the clipped buffers and angle underframes, 'Historic Carriage Drawings-LNER' by Campling has photos of a dia.140 FK and dia.146 BTK both fitted, as far as I can tell, with clipped buffers and turnbuckle underframes, however a photo of the dia. 216 TOK taken in 1936 has clipped buffers and angle underframes. As ever-use photos! Fitting of footboards to the bogies seems random; the BTK has them, as you would expect, but the FK does as well; but not the TOK. Harris 'LNER Carriages' has a photo of a TK, seemingly brand new at York, also seemingly fitted with clipped buffers and turnbuckle frames; interestingly, the footboards are only at the outer ends of the bogies. Just to muddy waters, Harris has a diagram of a Dia. 9 CK seemingly with turnbuckle underframe and oval buffers...……..

Yes, MTK bogies were one piece 'oily' plastic mouldings, and I agree that fitting wheelsets could be difficult, as the end cross frames were not very well moulded to the longitudinal frames, and could part when fitting wheelsets. The advantage was that they had no footsteps/running boards and so didn't need carving off for (most) main line stock. Another major disadvantage was they had Triang type hook and bar tension lock couplings which weren't very reliable; Colin at Ultima did an adaptor set to convert to Rapido. I have a number underneath my Gresley UltimaTe conversions made over 20 years ago, and also underneath some newer Ultima/Farish Thompsons.

Dr Al; many congratulations on some more truly excellent modelling!

Martyn
« Last Edit: December 29, 2018, 01:19:17 PM by martyn, Reason: extra info »

Online Stevie DC (formerly Atso)

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Re: Dr Al's workbench - V1, V3
« Reply #388 on: December 30, 2018, 11:37:31 AM »
Reply #385; Whilst I agree with what you say about the clipped buffers and angle underframes, 'Historic Carriage Drawings-LNER' by Campling has photos of a dia.140 FK and dia.146 BTK both fitted, as far as I can tell, with clipped buffers and turnbuckle underframes, however a photo of the dia. 216 TOK taken in 1936 has clipped buffers and angle underframes. As ever-use photos! Fitting of footboards to the bogies seems random; the BTK has them, as you would expect, but the FK does as well; but not the TOK. Harris 'LNER Carriages' has a photo of a TK, seemingly brand new at York, also seemingly fitted with clipped buffers and turnbuckle frames; interestingly, the footboards are only at the outer ends of the bogies. Just to muddy waters, Harris has a diagram of a Dia. 9 CK seemingly with turnbuckle underframe and oval buffers...……..

Sorry, that is what I was getting at. Thank you for putting it much clearer than I did.  :)

Dr Al; many congratulations on some more truly excellent modelling!

Seconded! Alan does make really good models!  8) 8)

Online Dr Al

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Re: Dr Al's workbench - Patriot
« Reply #389 on: January 08, 2019, 04:10:50 PM »
Another unearthed project has made some progress.

This is a BH Enterprises LMS Patriot. I obtained secondhand - not usually something I'd bother with, but someone had fitted separate handrails to the loco, as well as an N-Brass bogie to a decent standard, so this was enough to gamble on. The loco started as below:





There is a lot wrong though:

- front end looks completely wrong and very 'heavy'
- thick overscale buffers
- underscale tender
- affixment of the deflectors all wrong, slanted, but deflectors themselves flat rather than with angled tops
- tender sits too low
- front end sits high
- footplates are anything but straight.

I ended up pulling the whole thing apart - fortunately a superglued job, so easily returned to kit form. I've corrected most of the above now - the most important being the front end of the loco (it's the whole character of the thing). I found the boiler mounted too far foward and with a thick layer of glue, it also sat too high at the front end. Also, the front bufferbeam was way too deep so has been filed down to scale. N Brass fittings have replaced to mediocre BHE ones.

The tender has been replaced. I will keep the other one, but the work needed is high - in particular the footplate on one side is missing and this is not easy to reinstate. An identical one has been rebuilt (also a secondhand BHE from @N Gauge Bob ) and detailed with handrails.

Is now in need of the cab detail and handrails, and a good clean up. Tender needs rails fitted and modification to the chassis to raise the ride height.







Whilst I may seem a bit ho-hum on the BHE model, it's actually pretty decent, some nice detail on the deflectors and suchlike, and this should come out well. @Atso - yes I do also still have one of your 3D print bodies to do too - the major hindrance of completing it being finding a satisfactory drive unit - I'm not keen to use a UM one. I'll see how this ends up and see if older Farish Duchess loco drive might be the way.

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

“We have also arranged things so that almost no one understands science and technology. This is a prescription for disaster. We might get away with it for a while, but sooner or later this combustible mixture of ignorance and power is going to blow up in our faces.” – Dr. Carl Sagan

 

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