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I thought that I would announce my first MOCs for a long time as I have been
building these on and off for a while now. Most of my modelling is done in MLCAD
and then translated to real brick as A: I’m rebuilding my house and my Lego is
stored; B: I never seem to have the pieces I need.
The first two of the three are CAD only
FNA Nuclear Flask
wagon These wagons are made of stainless steel but after a time seem to become
a tan colour due to oxidisation and dirt so I have modelled this finish. The
flask is carried under the white protective sunshield. These wagons are a pretty
safe way of carrying nuclear waste around if you really have to. One of these
wagons was used in a test, it was
crashed into by a train travelling 100mph. Both the wagon and the train were a
write-off but the flask inside was undamaged. A picture of a real FNA can be
found here. This model
might need a few alterations for a real build due to part availability in tan.
RNA Barrier wagon
Until recently the FNAs needed a barrier wagon to be placed between them and the
locomotive and also between them and the brake van (caboose). A variety of
wagons were used but after a while HEA hopper wagons were used. These were
recoded to RNA for this
use but were otherwise unchanged. A later change was to cut off the hopper of
the RNA presumably to increase visibility as can be seen
here (This is the only
photo I can find on the web, sorry its not great).
This is the
two wagons together, I need to model a brake van like
Huw Millingtons. I’m pretty certain that this model could be built as is.
VDA van These vans
were general purpose and were (I thought) fitted with four sliding doors each
side. However I have since found out that only the centre doors were sliding and
that the outer doors were hinged at the outside edge. I’m not changing the model
though! I have built a model of this for real (see
here,
here and
here)but
have not yet fitted (or made!) the red stickers on the upper parts of the doors.
A photo of real VDAs can be seen
here.
The model has gone through several iterations, mainly modifications to the roof.
Modelling in CAD I did not realise that sliding doors would not go past an
element placed behind them and so ended up with an ‘upside-down’ roof. Its not
very strong while being put together but I am pleased that I have acheived my
aim of making the inside
completely clear. The
single
axle bogie (truck) seems to work OK but of course does nothing when the wagon
is propelled rather than pulled.
The gallery after moderation is
http://www.brickshelf.com/cgi-bin/gallery.cgi?f=62678
Tim David
NB The three letter codes are from the British Rail TOPS system of
classifacation. The first letter is basically a type, e.g F=flat H=hopper(I
don’e actually know what R is for. The second letter is the sub type, this is
partly done in a consecutive manner, i.e A is the first introduced, partly at
random and partly to give a meaning (I think these have N to stand for Nuclear
The third letter is for brake type, all these are A for Air.
Thanks to Wagons on the Web and
53a Models.
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Message has 2 Replies:
 | | Re: Three new British Wagons
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| "Tim David" <talltim@hotmail.com> wrote in message news:HoGvC5.172z@lugnet.com... (...) Flask (...) Tim, this is a very good representation. Tan is a good choice of colour; if I recall they tended to end up a sort of 'olive green' colour, much like (...) (21 years ago, 17-Nov-03, to lugnet.trains)
| | | Re: Three new British Wagons
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| (...) <snip> Wonderfully done! I usually find that it's easier to go from the actual model to CAD, but I'll try your method next :) The nuclear hopper looks really nice. I think I'd like to try making that sometime. Keep up the great work! Dave K (21 years ago, 17-Nov-03, to lugnet.trains, FTX)
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