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NIR 70 Class DEMU


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  • RMweb Gold

New project using Worsley Works etched brass coach sides, some leftover Triang Hornby Mk1 parts and two Dapol Stanier coach kits.

 

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Cheers

 

Darius

 

Edited by Darius43
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  • RMweb Gold

A fun build - I hope  At least a simple bend for the tumblehome , front ends will be exciting - I think some 4MM tube to make the rounded corners . I like the power unit - you will need to make removeable so it can go in a 450class unit later. 

 

Robert     

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Hi Robert,

 

The tumblehome curve is not as extreme as the Class 80 Mk2 profile so a gentle touch with the hammer and rod will be required.

 

Thinking of motorising the Driving Trailer so that there is room for the dummy motor in the Driving Motor Coach.  I want to fit DCC sound so I will need to run speaker wires through the three coaches to the DM coach.  It would be a bit strange if the sound came out of the wrong coach.

 

I am thinking along the lines of trimming the driving ends short of the corners, laminating plasticard around the edges and sanding the curved profile to the vertical and roof edges.  The coach sides and ends will be glued to the chassis for strength and stiffness with the roofs being removable.

 

Cheers

 

Darius

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Made a start on the centre coach.  Carving off the ribbing etc. from the Dapol roof was fun.  The incorrect location roof vent holes were plugged with plastic rod.

 

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I replaced the Dapol plastic wheels with Hornby metal wheels.

 

Cheers

 

Darius

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Been having a close look at the Motor Coach sides and the Triang Mk1 sides.  As has been pointed out in other threads, the Mk1 side profile is incorrect and I think it would stand out visibly against the trailer coaches.  I have decided to use Dapol Stanier coaches and cut and shut them to form a 64’ coach.  Two more cheap examples have been sourced from the Bay of e and should arrive this week.

 

Work continues on the Driving Trailer.


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Cheers

 

Darius

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Made a start on the Motor Coach using a cut off Dapol 57’ coach Body end and a 60’ Dapol coach body.  These combine to produce the 64’ Motor Coach.

 

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The etched cab end was glued to two layers of 1mm thick plasticard.  Once the etched coach sides have been fixed, the cab end will be glued in place and the corners and roof edge filled and sanded to a curved profile.

 

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The Dapol 60’ coach chassis was lengthened to 64’ using plasticard strips rather than cutting a short section out of the 57’ chassis.  This leaves me with a complete 57’ chassis to make something else with.

 

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Cheers

 

Darius

Edited by Darius43
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  • RMweb Gold

A neat solution to extending body - a 60 foot plus a bit would mean lots of joins close together  the 57foot gives a robust end, driver will be pleased with the crash resistance  and noise barrier bulkhead to the engine, unlike the real thing!  Thanks for the tip.

Robert 

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1 hour ago, Robert Shrives said:

Can you still get some of the resin  engine in with the support for the power bogie? 

Robert 

 

About half of it - so no, not really.

 

One day I’ll get to use it in something.

 

Cheers

 

Darius

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Left hand etched side fixed in place.   Cab front and roof fixed in place and blended in with filler. 

 

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Cheers

 

Darius

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Driving coach bogies fitted.  Modified Bachmann B4 bogies with one pair of bogie sides grafted onto a Hornby power bogie.

 

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Next task is the underframe equipment on the Motor Coach.

 

Cheers

 

Darius

Edited by Darius43
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Motor coach underframe equipment added.  Door hinges and handles added to motor and intermediate coaches.  Primer coat applied to coach bodies.

 

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I think some of the underframe “boxes” are too deep so they will be reduced in depth tomorrow.

 

Cheers

 

Darius

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2 minutes ago, Darius43 said:

Motor coach underframe equipment added.  Door hinges and handles added to motor and intermediate coaches.  Primer coat applied to coach bodies.

 

202E77C4-D1C4-48D3-A3C0-9E5C2E775D4F.jpeg.696f85777e9c3fec77f31ea00f365b93.jpeg

 

I think some of the underframe “boxes” are too deep so they will be reduced in depth tomorrow.

 

Cheers

 

Darius

Hi Darius,

 

The front of this particular type of unit reminds me of the styling used on the class 502 EMU's of the Northern Line out of Liverpool exchange. I would guess it was a product of Derby works.

 

Gibbo.

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22 minutes ago, Gibbo675 said:

Hi Darius,

 

The front of this particular type of unit reminds me of the styling used on the class 502 EMU's of the Northern Line out of Liverpool exchange. I would guess it was a product of Derby works.

 

Gibbo.

 

Hi Gibbo,

 

These were home grown units built by the Ulster Transport Authority at the Duncrue Street works in Belfast between 1966 and 1968.

 

The engines were English Electric, however. After the 70 Class units were withdrawn the engines were re-used in the Castle Class DEMUs.

 

Cheers

 

Darius

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I wish i could work that fast.

it looks amazing already.

I have added this pic to show what this looks like in real life.

 

WWW.preservedthumpers.com

 

NIR 70 class 73..jpg

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Driving trailer hinges and handles fitted and primer coat applied.  Oversize underframe boxes on Motor Coach reduced in depth.
 

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Cheers

 

Darius

Edited by Darius43
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