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IRM Rawie Buffer Stop

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1660428000_rawierender.thumb.jpg.c67fee4239be7639b5c4263cd1b03319.jpg

While the A Class announcement was on the lips of every Irish modeller since the Model Railway Society of Ireland's Raheny show, we did preview another all new model; the ubiquitous rawie buffer stop. These could be found across the Irish network for the past two decades and are still in use today.

Our model follows a pattern unique to Ireland and will be available in packs of two for just €6.95! They will go on sale at the end of the year!

https://irishrailwaymodels.com/collections/buffer-stops

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The non DMU one being done under the Accurascale brand is used here too from what I have seen but not as widespread as the IRM one. 

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They look great. :tumbsup:

I liked the old hydraulic buffer stops they used to have at the end of the platforms in Heuston/Kingsbridge and Connolly/Amiens Street. Presume H&S and past accident experience was the reason modern ones like above are placed so far from the end of the track and end of the platform. My OCD quite liked the symmetry and punctuation of a large hydraulic stop right at the very end of the platform. :)

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13 minutes ago, Broithe said:

Are they easily convertible to 21mm?

PIMP

Aye, bit of cutting and shutting, be grand 😛 

(p.s. 21mm'ers don't do modren)

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One of those little things that can often be overlooked on a layout, but make all the difference when they look as good as that. But maybe that's just me, I've got a bit of a thing for Buffer Stops :x 

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8 hours ago, Warbonnet said:

1660428000_rawierender.thumb.jpg.c67fee4239be7639b5c4263cd1b03319.jpg

Another all new model; the ubiquitous rawie buffer stop. These could be found across the Irish network for the past two decades and are still in use today.

https://irishrailwaymodels.com/collections/buffer-stops

This is a very nice little model. Looks really impressive with all the track clamps (dynamic train safety system or whatever is the correct term). Unfortunately too modern for me but I would definitely like to see more authentic Irish line side models. Very tasty

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20 hours ago, Railer said:

There's a few hydraulic ones left at Fairview depotnow painted in yellow Noel. 

 

14 hours ago, DiveController said:

This is a very nice little model. Looks really impressive with all the track clamps (dynamic train safety system or whatever is the correct term). Unfortunately too modern for me but I would definitely like to see more authentic Irish line side models. Very tasty

The yellow buffer stops at the north and south ends of Fairview Depot are not hydraulic. They are Henry Boot buffers retrospectively fitted with standard buffers to their buffer beams in order to prevent damage to the scharfenberg couplers. Close inspection of these buffers will reveal that these buffers have fishplates fitted behind them and the buffers are are highly torqued. They were originally designed asslidig or friction buffers. However subsequent tests and trials on this design of sliding buffer revealed that they not behave as was predicted by the manufacturer. The buffers were removed from running lines and installed in sidings.

Friction buffers currently in use are mostly supplied by Rawie in Germany. Earlier friction buffers were supplied by Godwin Warren in thr UK who manufactured under licence from Rawie.I believe Godwin Warren has stopoed trading. They also supplied level crossing barriers.

Friction buffers operate by arresting the energy of a train and stopping the train at a rate of retardation deemed acceptable to ensure the safety of passengers on the train or waiting at the station. Passengers on the train may be standing up and collecting their belongings before getting off. Passengers may be queue along the platform waiting to board. Limiting the possible damage to rolling stock and infrastructure us also considered. The energy is burned off by the travel of the friction buffer. As the train slows down additional friction elements can be engaged to stop the train within the specified length or distance.

The standard length of run out afopted by Iarnród Éireann is about 12 metres.

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Here is the information affixed to the buffer stop on the siding in Wellingtonbridge showing the distance and spacing of the friction elements.

S1500148.JPG.d861c855212e6b4a97fa428b86f61ab5.JPG

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This is one of the subsidiary clamps at Ballybrophy - they are all fitted with the nuts to the outside of the track, which seems to be standard practice.

 

DSC_0994.JPG

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23 hours ago, ttc0169 said:

Gents-any update on the release of the buffer stops?

Should have some news later this week Noel!

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Just a quick update on this project! We still have some fine-tuning to do on these babies but they are not far away, we anticipate to have them in stock by the end of March.

Cheers!

Fran

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On 11/11/2018 at 4:55 PM, Broithe said:

The yellow 'has it been nudged?' marks on the rails are worthy of note.

Might be rust marks from rainfall?

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39 minutes ago, Irishrailwayman said:

Might be rust marks from rainfall?

Possibly, though, on the full-size image, there's no yellow on the top of the rail on the far side, and there doesn't seem to be anything at the other end, though the rust just could be from the bolted-up face?

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How very nice ! I guess it shows the speed of an inquiry is expected to be so slow the rust will have back filled before a visit!! Almost as useful as indicators on BMWs - and not for getting taxes paid for that to be painted on! 

Now will IRM provide a scale transfer to go with packs ??

Just putting on a hat as its too hot for a coat - leaves stage right.:D

Robert 

   

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Hi everyone,

After much working, reworking, testing, amending and further testing, we are delighted to report that our bufferstops are now in the final stages of assembly and will be here in mid-November! Thank you to everyone who has pre-ordered and awaited delivery for their patience!

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You can order your Rawie buffer stops via the following link! https://irishrailwaymodels.com/collections/buffer-stops

Cheers!

Fran

 

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