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Author Topic: Dr Al's workbench - clearing the backlog, and adding some Zs  (Read 68825 times)

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Online Dr Al

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Re: Dr Al's workbench - clearing the backlog, and adding some Zs
« Reply #660 on: November 16, 2019, 12:27:15 AM »
More progress on Z - front end buffers holes drilled as well as lamp iron positions. The front buffer beam looked too low and deep, so this has been reduced and the buffer positions raised (old mid point can be seen from old coupling hook position, which needs a dot of low melt as filling).



Also, side pipework detail added.



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 - clearing the backlog, and adding some Zs
« Reply #661 on: November 18, 2019, 06:06:51 PM »
Ran out of time to put up yesterday's Z progress, so here it is today.

Lamp irons and headcode disks have been the focus - front and rear of the first Z are now adorned, with headcode disks applied as have been requested to me. Another needs to be fitted on the LHS of the smokebox, but this will happen last, as it's far too likely to be vulnerable to getting knocked straight off again otherwise.

The rear also has had the vertical and horizonal handrails fitted, again these are specific in shape to specific individual locos - this one will be 30952. The other requested loco 30954 has a differently shaped one, and the final request, 30955, does not have one at all - the aim being to replicate these.



Little bit of straightening up here and there needed (and the final missing one on the rear fitted!!), but heading the right direction now.

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 exmouthcraig

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Re: Dr Al's workbench - clearing the backlog, and adding some Zs
« Reply #662 on: November 18, 2019, 06:21:38 PM »
 :jawdropping: :jawdropping: :wonderfulmodelling: :greatwork: :jealous:

One word Alan @Dr Al WOW!!!!!

I WANT ONE!!!!!!

Dear Santa as I've been a good boy this year .................

Online Dr Al

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Re: Dr Al's workbench - clearing the backlog, and adding some Zs
« Reply #663 on: November 19, 2019, 12:07:21 AM »
Further work, along the same area  has been taken on the second Z. The first has the shape of rear handrail specific to 30952:



The second was different, as loco 30954, and followed the shape of the back of the bunker moreso, and this has been replicated as best possible on the second model:



Comparison:



The third loco won't have one at all - easy!

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 - clearing the backlog, and adding some Zs
« Reply #664 on: November 21, 2019, 12:39:12 AM »
Final update on Z progress until after Warley (where N Brass locos should hopefully be mugged of a stack of parts).

The first Z is very close to complete - most detail now done, cab roof and rear spectacles fitted, surprising amount of of work needed as these were a pretty poor fit.

Remaining are the front grab rails, smokebox door detail (may be replaced depending on what N Brass have), front coupling, safety valve and whistle detail (again to be N-brass-ed).

A few minor other details to add, but 95% of the way there on this one, to be 30952.





 

...oh, and that missing final lamp iron at the back....

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 - clearing the backlog, and adding some Zs
« Reply #665 on: November 28, 2019, 05:24:49 PM »
Well, after the madness of Warley and a few days, things have calmed down to get back to the workbench. After smashing the N Brass locos stall at Warley, I came back with almost all the parts I needed for many outstanding projects.

First was the buffers and safety valves for the D49. This doesn't need too much more work before the paint shop.



Second was the front bogie for the 4MT, now built and attached. Further work needed on this one, but I have all the parts.



Another bogie was obtained for a refurbishment of a Bulleid pacific - worn and dusty paintwork, but a lovely runner warrants a cosmetic overhaul.



Final was where the bust came in - N brass didn't have the smokebox doors and whistles I wanted for the Zs. I'll need to see if they have any in stock at home (none with them at Warley). However, the second Z 30594 is now very near complete with requested specific detail for that prototype. The third model is the one now requiring the most attention.





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 exmouthcraig

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Re: Dr Al's workbench - clearing the backlog, and adding some Zs
« Reply #666 on: November 28, 2019, 05:30:03 PM »
What a workbench  :claphappy:

Some nice SR beasts becoming beauts there Alan, Bulleid and Maunsells finest!!!!

The vacuum pipes on the Zs, you wrap small copper?? Wire around something else rather then just a brass vacuum pipe complete???

That really is something else Sir!!!!  :claphappy: :o

Online Dr Al

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Re: Dr Al's workbench - clearing the backlog, and adding some Zs
« Reply #667 on: November 28, 2019, 05:53:57 PM »
The vacuum pipes on the Zs, you wrap small copper?? Wire around something else rather then just a brass vacuum pipe complete???

Yes, they are made from scratch.

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 - clearing the backlog, and adding some Zs
« Reply #668 on: December 02, 2019, 06:32:33 PM »
Final Z is now starting to have some of its issues addressed. This one was more rough starting and the front and rear spectacle plates at front and rear of the cab just crumbled when dry fitting testing them.

Not sure why this was - maybe result of old solder flux?

Either way, the only option was to replace these with fresh whitemetal from old scrap, shaped to fit, then drilled out to match as closely as possible the kit part.

So while adding these and the cab roof look like progress of but-a-moment, in reality they took quite a disproportionate amount of time!



This one is closing in on its detailing now this major area is resolved..

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 - clearing the backlog, and adding some Zs
« Reply #669 on: December 02, 2019, 11:03:52 PM »
One of the small details on the Z that I noticed early on on the prototype photos I have, is the rearmost shunter's step. Given the desire from the person these are being built for to have accurate shunters handrails at the rear end, omitting this detail seemed non-ideal.

So I've looked to add it, using stiff handrail wire and brass high temperature soldered together, and then low melt onto the inside edge of the bufferbeam. This has worked well, and hopefully will remain robust enough to survive handling ok (they seem to be!)



Still need to fit that missing lamp iron.... :scowl:

Next will be bringing loco 3 up to match the first two.

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 exmouthcraig

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Re: Dr Al's workbench - clearing the backlog, and adding some Zs
« Reply #670 on: December 02, 2019, 11:13:34 PM »
 :jawdropping: :wonderfulmodelling: :greatwork: :jealous:

WOW  :claphappy: :laugh3: :claphappy: how many people woldnt of even noticed this on the real one let alone trying to and make it work on a N gauge model.

Seriously @Dr Al your modelling skills are truly amazing

Online Dr Al

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Re: Dr Al's workbench - clearing the backlog, and adding some Zs
« Reply #671 on: December 04, 2019, 12:11:56 AM »
Final Z has now gone through the detail mill - the fortunate thing about building multiples at the same time is that once you've figured out the pitfalls and methods on one, the others can follow much faster.

This one will need more clean up - in particular the bunker had a large crack due to deterioration of the whitemetal - while this is now soldered solid, it's quite visible, so will need to be surveyed once primered and smoothed if necessary.

 

Together the trio:

 

I am now awaiting parts from N Brass to complete these - specifically whistle parts and smokebox doors.

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 Shiney Sheff

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Re: Dr Al's workbench - clearing the backlog, and adding some Zs
« Reply #672 on: December 04, 2019, 05:07:23 PM »
Your detailing is quite exquisite, a very nice trio of loco's.

Bob

Offline BramptonBranch

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Re: Dr Al's workbench - clearing the backlog, and adding some Zs
« Reply #673 on: December 04, 2019, 08:23:49 PM »
Sometimes you just have to control the envy......... :-[ :-[

Online exmouthcraig

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Re: Dr Al's workbench - clearing the backlog, and adding some Zs
« Reply #674 on: December 04, 2019, 08:26:06 PM »
And dream of such exquisite masterpieces  :'(

 

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