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FR & WHR & WHHR News

Discussion in 'Narrow Gauge Railways' started by AndrewT, Jul 17, 2012.

  1. 30854

    30854 Part of the furniture

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    There are a couple surviving in New Zealand ..... but given they're 3'-6" gauge, not too sure I'd hold my breath, hoping they make it over for this event.

    Hoping for something a bit smaller .... well that's another matter entirely....... :)
     
  2. Forestpines

    Forestpines Well-Known Member

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    There's a standard gauge single Fairlie in the USA, although they call them "Mason Bogies" over there.
     
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  3. huochemi

    huochemi Well-Known Member Friend

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    Just Rachel Parry.
     
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  4. 45669

    45669 Member

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    Wasn't it THE Rachael Parry...?
     
  5. tony51

    tony51 New Member

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    There’s a couple of 600mm Pechot Bourdons still in existence which would fit better.
     
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  6. Jamessquared

    Jamessquared Nat Pres stalwart

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    Not tonight, Josephine ...

    Tom
     
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  7. MuzTrem

    MuzTrem Member

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    Wow. I've finally found the right place in the video and I'm overcome with joy.

    I've been waiting years to hear that this event will feature a free park and ride service...

    Sent from my SM-A320FL using Tapatalk
     
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  8. Goldie

    Goldie New Member

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  9. andrewshimmin

    andrewshimmin Well-Known Member

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    I found the shots of EoM steaming across the cob, etc. in this video brought a lump to the throat.

    Sent from my Pixel 3a using Tapatalk
     
  10. Paul42

    Paul42 Well-Known Member

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  11. 30854

    30854 Part of the furniture

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    I recall having a similar reaction, back when I very first saw it, but it's rather grown on me over the years. :) It'd be good to see a viable plan to return it to service.
     
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  12. andrewshimmin

    andrewshimmin Well-Known Member

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    My first encounter with it, at TyB about late 80s and aged eight or so, I was so enamoured that I on getting back to the house we were staying in near Bala, I poured all the cornflakes into a Tupperware so I could make a model with the cereal box (and kitchen roll tube for boiler)! I particularly remember trying to glue the slopey cornee bit on the top of the tank fronts.... Happy days!

    Sent from my Pixel 3a using Tapatalk
     
  13. 30854

    30854 Part of the furniture

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    Fairlies ...... I've read the (2014) 'musical bogies' articles', but the recent redesign revision (monobloc castings) and the withdrawal of EoM has succeeded in muddying the waters again, so if I may, a few questions please, for anyone 'in the know'.

    https://www.ffestiniograilway.org.uk/full_article?a=musical-bogies-part-i
    https://www.ffestiniograilway.org.uk/full_article/musical-bogies-part-ii

    Discounting those units 'cosmetically restored for display purposes' (and I am unclear whether that includes those currently under the stored EoM)

    How many individual bogie units, suitable for frontline service, does the FfR now possess?

    Are all the bogies currently in frontline service of the same design? If not, could any built to an earlier (post-preservation) design be reconstructed to the latest standard, if circumstaces demonstrated any clear advantage, operationally and / or from a maintenance perspective?

    Do bogies built to the latest standard perform sufficiently well to indicate no further major design revisions are likely .... at least, for the time being?

    Reason for questions: Just pondering what it would take to restore EoM to the land of the living. Festipedia mentions avaiable boiler options, which seem clear enough, but the bogie saga is confusing the hell out of me!
     
  14. Forestpines

    Forestpines Well-Known Member

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    I'm by no means an expert, but my understanding is that the bogies that were under EoM when she was in service (which were formerly under Merddin as per those articles) are now under James Spooner.
     
  15. 30854

    30854 Part of the furniture

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    To judge by a photo (of the undergubbins of the new JS) on an official FfR Facebook site, I'd concur with that. I think those currently under EoM are the set with which it originally entered service, back in 1979, which came from the preceeding EoM (LT), which loco now sits in the NRM on a pair of 'bitsas' cobbled together, including componets from the original JS, but it's all very confusing.
     
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  16. Miff

    Miff Well-Known Member

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  17. 30854

    30854 Part of the furniture

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    Cheers @Miff .... dunno how I missed that page, as Festipedia's a regularly referenced website (don't you wish all wikipedia pages were that well kept?). Even with that info, for some odd reason, I've had the theme tune from Soap going round in my head for hoirs now! :)
     
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  18. jma1009

    jma1009 Member

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  19. 30854

    30854 Part of the furniture

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    Hooray ..... a summary that makes some sort of sense! Thanks Julian. :)

    Sounds as if, although there are a pair of power bogies available, given their age, they're probably not a pair anyone in their right mind would want to fit to a loco in frontline service. The number of pretty ancient parts within two of those surviving bogies is surprising.

    With current CAD design and cutting techniques, most especially considering the recent semi-Spooner boiler redesign and the known shortcomings of the 1960s-designed "double" boilers, you have to wonder about the economics of repair vs. outright replacement. I imagine there'd be no definitve answer until the in-service performance of the latest boilers is fully established.
     
  20. meeee

    meeee Member

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    There are currently 11 bogies in total. 7 are available for traffic, 2 are withdrawn, and the other 2 are really an incomplete collection of old parts.

    Of the 7 in service three are fitted with piston valves to work under Tal and DLG. The increased boiler pressure and superheat on these locos caused problems with the valves and valve gear. The piston valves were introduced to cure this problem rather than improve performance. I doubt it would really be worth the expense to fit them to the other bogies. Especially as the cylinders are still in good condition.

    The two bogies under DLG have a different design of rod ends with marine style brasses. These are easier and cheaper to make but the down side is you get a lot of clanking from the side play.

    The four slide valves cylinders are broadly the same. There are differences due to the build dates as there are with all the bogies but improvements are usually indrouced at overhaul that brings them to similar standard. Things like removable wear plates on the axle boxes for example.

    The set that The Square now sits on were in poor condition with really old frames and also full of oddball modifications. The main culprit was the wheels which had both bigger diameter axles and wider bosses. This was to cure a problem with wheels working loose. The real issue was that the wheels were old and not manufactured to the correct standard. Rather than the actual design of the axle. Anyway the knock on effect is that the the wheels had to fit in the same frames. So the axle boxes have a bigger hole in the middle, consequently they are weaker and frequently crack. The cylinders had to be packed out because the wheels are wider and counterweights added, so the monoblock wouldn't fit. You could probably rebuild them but it would take some careful thinking about the frames and axle boxes if you were going to re-use the wheels. The area around the horns is already a weak point of the double engine bogie. This is why it was easier to build new for the DLG.

    Tim
     

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