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topic: 2708facing point locks in Ireland
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posted: 12 Jun 2015 13:26

from:

madscientist
 
 

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maybe this is one for Martin


Hi martin, I know you have extensive knowledge of irish track work. Im trying to track down pictures of pre CWR bullhead" economical " facing points locks used in ireland upto the 90s. in particular for my model of claremorris set in late 70s early 80s. I have come across two types but have somewhat indistinct photos. I wonder if you might have any knowledge,

one type in use, seems to use a "cam" directly of the FPL mechanism to drive the switch blades through avery short action. see http://flic.kr/p/gW9nv9

the other type. uses a extended arm leading from the E-FPL mechanism, running upto the switch blade tiebars. then a cam/crank arrangement is used this can be seen here claremorris-p.jpg

could you shed any light on these in more detail, what railway company manufactured them , drawings , better photos, Im trying to do a 3D non functional print of them

posted: 12 Jun 2015 13:33

from:

JFS
 
United Kingdom

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Nothing on google? I just searched on 'economical facing point lock' clicked images and there ar about 10 or so different patterns - including thwo two types that I am most familiar with.

Not sure what they did in Ireland, though a posting on the Signalbox Forum might well wield a response.

Best wishes,

Howard

posted: 12 Jun 2015 14:32

from:

Martin Wynne
 
West Of The Severn - United Kingdom

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madscientist wrote
Hi martin, I know you have extensive knowledge of Irish track work.
Hi Dave,

I don't know where you got that from? Not true I'm afraid. :?

This one is in Ireland, taken at Rosslare in 1986. With fouling bar:

2_120903_490000000.jpg2_120903_490000000.jpg


2_120903_490000001.jpg2_120903_490000001.jpg


2_120903_490000002.jpg2_120903_490000002.jpg

Sorry I don't have any information about the type or origin.

There were numerous patent designs of "Economical" facing-point locks, requiring only a single rod from the signal box ("cabin" in Ireland).

Mick Nicholson posted a drawing of one such here:

 topic 721 - message 4081

regards,

Martin.

posted: 12 Jun 2015 16:03

from:

Martin Wynne
 
West Of The Severn - United Kingdom

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There are several pages of notes and drawings of facing-point locks, including economical types, in Raynar Wilson Part 2 (1904) -- Peter Kay reprints, 1998, ISBN 1899890211

Used copies are expensive:

 http://www.amazon.com/Mechanical-Railway-Signalling-Pt-2/dp/1899890211

But should be obtainable by your local library.

When I have an hour to spare I will scan and post some of it.

Martin.

posted: 15 Jun 2015 09:58

from:

madscientist
 
 

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Thanks everyone and Martin , great photos. That definitely one common type where the blade cranks are very close to the lock

The other type is tricker to understand
Last edited on 15 Jun 2015 10:22 by madscientist
posted: 15 Jun 2015 10:21

from:

madscientist
 
 

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Martin Wynne wrote:
madscientist wrote
Hi martin, I know you have extensive knowledge of Irish track work.
Hi Dave,

I don't know where you got that from? Not true I'm afraid. :?

This one is in Ireland, taken at Rosslare in 1986. With fouling bar:



Martin.


You've more pics then I have , thats makes you an expert !
Ps any drawings , greatly appreciated. I'm trying to 3d print a look a like

Dave

posted: 15 Jun 2015 10:27

from:

madscientist
 
 

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Martin Wynne wrote:
madscientist wrote
Hi martin, I know you have extensive knowledge of Irish track work.
Hi Dave,

I don't know where you got that from? Not true I'm afraid. :?

This one is in Ireland, taken at Rosslare in 1986. With fouling bar:

2_120903_490000000.jpg2_120903_490000000.jpg


2_120903_490000001.jpg2_120903_490000001.jpg


2_120903_490000002.jpg2_120903_490000002.jpg

Sorry I don't have any information about the type or origin.

There were numerous patent designs of "Economical" facing-point locks, requiring only a single rod from the signal box ("cabin" in Ireland).

Mick Nicholson posted a drawing of one such here:

 topic 721 - message 4081

regards,

Martin.


I have posted on signalbox.org , when I referred to google. I meant irish variants , specifically the two types I've identified in the track plan I'm modelling ( claremorris , post 1965 reconstruction ) , these EFPLs are undoubtably standard versions from signalling companies of the day as I don't beleive cie manufactured signalling components to any extent , railway signal company stuff being popular on the MGWR



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