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Can Permanent Way Rolling Stock work in multiple?

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Roast Veg

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This morning at Leicester I observed two Permanent Way vehicles (perhaps Plasser and Theurer tampers or rail grinders, or other such styled machines) coupled together working a move around the avoiding line. It sounded as if both vehicles had their engines running, and I can't imagine one would be able to ahul the other - but I don't know what form of multiple working they are capable of.

Does anyone know which machines are capable of working in multiple, if any?
 
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Hairy Bear

Hairy Bear

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Be the same pair I saw yesterday. No they can't work in multiple control but quite capable of dragging each other, and frequently do.
 
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Ploughman

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On site there are times when compatible Tampers can be linked together electronically to work together.
Normally used on new S+C sites when both tracks or more need to be lifted and lined at the same time.
I think the most working together at one time is 4 so far.

But that is possession work and not running in traffic.
 
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alangla

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Would that be them running parallel to each other in formation or running one behind the other on the same line?
 
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Roast Veg

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Ploughman said:
On site there are times when compatible Tampers can be linked together electronically to work together.
Normally used on new S+C sites when both tracks or more need to be lifted and lined at the same time.
I think the most working together at one time is 4 so far.

But that is possession work and not running in traffic.
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When such work is undertaken, are they connected by wireless radio or physically? Is this limited exclusively to tampers or can it be done for rail grinders?
 
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class 9

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pdeaves said:
Some 'yellow plant' (in a broad sense) is basically just a freight DMU. Presumably those vehicles can work in multiple.
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No ‘yellow plant’ is classed as a DMU, as the definition of a DMU is something that can be coupled to other MUs with through control of 1 Driver/operator.
 
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edwin_m

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If I recall correctly the MPV has a powered wagon that can also be driven from the cab in the unpowered wagon. It is derived from the design of a genuine freight DMU used for a while in Germany. I don't know if two or more 2-car MPVs can multiple with each other.
 
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aleggatta

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edwin_m said:
If I recall correctly the MPV has a powered wagon that can also be driven from the cab in the unpowered wagon. It is derived from the design of a genuine freight DMU used for a while in Germany. I don't know if two or more 2-car MPVs can multiple with each other.
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I remember reading about 2 'power' MPV's being used in the same consist to haul heavier loads IIRC, but not sure if you could 'multi' MPVs ('nose to nose' as it were)
 
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Roast Veg

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I hadn't considered the windhoffs originally but that's an interesting question as well - they certainly appear to get coupled in Tonbridge east yard, unless my memory has failed me.
 
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