Nick Dunhill's 7mm W (A6) or Whitby Tank Workbench

[Nick Dunhill]

The pipes are so close to the outriggers that I think I'll tack them together. Checked and the footplate valance is so deep you can't see the join anyway.

 

[Nick Dunhill]

...so on to the horn guides and axle boxes. I was going to use Slater's cast horn guides but they turned out not to be compatible with the frames. Finney7 leaped to the rescue with their Hall axleboxes. With a little modification they became a very close representation of the NER ones. They do take ages to build, 72 triangular webs to add to 12 hornguides, but they look the part when done.

The machined axle boxes for the front drivers were replaced with Slater's items. They drop straight in and are thinner and yield the space required to accommodate the crank webbing and eccentrics of the inside motion. The horn cheeks are cut down to suit.

The axle box assemblies were then soldered in place using jury axles and the coupling rods as a jig. Careful alignment was necessary and extra temporary cross members were added to prevent the springs spreading the frames.

I'm going to have some fun building ash pans next.....

 

[mickoo]

Nice

Question, why are the frames not compatable with the Slaters cast guides, I'm going to guess they have a raised rib on the outside that does not fit the etched slot we designed.

I do intend to make up some NER horn guides like the Hall ones for the A7 and A8 shortly.

Beware the flipped around Slaters axle boxes with the stub sticking outside as you might not get enough width to add the wheels to the axles due to the near limit of OF frame spacing. It'll be close but when I looked at them on the A7 CAD work it looked like the round stub might need a bit of a trim.

 

[Nick Dunhill]

You guess correctly, the rib is miles too big. I always trim the cylindrical stub to give the required amount of end float, i.e. none in this case.

 

[mickoo]

Cheers just something to perhaps consider in the future

Zero sideplay on the front is good I always set mine up like that as it minimises the risk of coupling and connecting rod clashes.....which won't be a problem on the A6 and A7

MD

 

[micknich2003]

The attached may be of some use. Hull Paragon c1949.

 

[7mmMick]

Lovely work Nick and I think the horn guides are a very good match to the NER Axle box.

A very interesting photo Mick, i'm guessing the tank side number is the only place where a repaint has taken place as under the muck above you can still make out the 'ER' in LNER. Anyone have any idea of what the coach behind is with the ornate door handles? GC?

Mick

 

[AJC]

Lovely work Nick and I think the horn guides are a very good match to the NER Axle box.

A very interesting photo Mick, i'm guessing the tank side number is the only place where a repaint has taken place as under the muck above you can still make out the 'ER' in LNER. Anyone have any idea of what the coach behind is with the ornate door handles? GC?

Mick

GCR 'Barnum' isn't it? For example: GCR 664 'Barnum' Third Open built 1910

Adam

 

[7mmMick]

I thought it may be something like that Adam ?

 

[micknich2003]

Here's the full print.

 

[Rob Pulham]

Hi Mick,

If you want some, the GP Models Barnum's will be back on the market soon, I saw some samples at Telford on the MOK Stand and they looked very tasty. - mbsmodels.com

 

[AJC]

I'd say that answers the question comprehensively Mick(s)! Thank you. Lovely looking coaches those.

Adam

 

[7mmMick]

Thanks for the sign post Rob. I do like the look of these coaches and have seen the one Adam pictured in the flesh. I shall add some to the list. Hijack over, cheers Nick

Mick

 

[Nick Dunhill]

Hijack away mate, it's all part of the fun.

 

[Nick Dunhill]

...ashpan action! The ashpans were fabricated from waste material round the frame of one of the panels of etchings. Firstly a side piece was cut out following the dimensions on the GA to check the fit of the gearbox

Then the front, rear and bottom pieces required cut out.

And the bits soldered together using squares.

Then dampers and hinge detail added.

Next I will fit them to the chassis and add the control roding.......

 

[7mmMick]

Damper's closed Nick? Surely at least cracked open a little

 

[delticfan]

I love that trusty block of wood!

 

[adrian]

Damper's closed Nick? Surely at least cracked open a little

Surely working and servo operated at the very least!

 

[Nick Dunhill]

...the ashpan has been fixed into the chassis and some control rodding for the dampers added. I have also added the control rodding for the cylinder drain cocks. The ashpan and all the rods have been made from waste strips from etchings.

Springs and hangers next (maybe)........

 

[Peter Cross]

Fantastic work as usual.