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3rd Rail Exile

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  • Location
    Didcot (kind of unfortunate really...)
  • Interests
    Southern Railway/BR Southern Region, with a particular interest in 3rd Rail EMUs

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  1. It can be approached from both Physics and Chemistry (I studied it as part of Physical Chemistry, but I believe it's also part of Chemical Physics...), but from whichever direction it involves lots of hairy Mathematics. Anyway, as long as our trains stay on the tracks...
  2. All of which nicely encapsulates the difference in teaching mechanics between scientists and engineers, but both get to the same answer in the end. The so-called "centrifugal" force is the wheel's Newtonian desire to go straight until the centripetal force of the rail applied to the flange makes it do otherwise. It's things like this that make me glad that I chose Chemistry over Physics, but then again chemists have their own problems with a different sort of mechanics. The wheel isn't off the track unless you look at it, or it is both on and off the tracks at the same time... None of which is anywhere near as complicated as compensation and bogie side control ...
  3. A bucolic branch line terminus, but not exactly a "country" branch line... Addiscombe
  4. To me, this is the biggest bugbear. Being fair to Hornby, they suffered from livery detail changes to the real thing subsequent to signing off the livery for the first release model, but having then got it right for the "Paddington Bear" release they reverted to the error on the next "standard" GWR liveried release... Watching the GWR Class 80x regularly pass by my lounge window here in Didcot, the only thing that breaks up the rather dull green sides is the bright, white "1st Class" sign. It would be so easy to slap a transfer over the existing black signs on the models if only I could source something appropriate...
  5. The plastic shims were to cure a problem with the tops of the bogies catching on the bodywork on curves and derailing - subsequent batches seem much better in this regard. However, there is definitely a lack of vertical movement in the coupling, which does result in issues with changes in gradients. I find this isn't catastrophic on straight portions of track, but can cause derailments if you have gradient changes on a curve. On my layout I do have some board warpage under curved track, and get some derailment of my GWR IETs on the outermost track (approx. 28.5" radius). The inner tracks (down to 24" radius, or approximately 4th Radius set track) are less warped and don't cause an issue.... Nothing else has an issue, just the IET. I can cope with it by declaring that area to be under a TSR, but it means that I can't safely leave the IET going "roundy round" on the outer circuit...
  6. Passenger - Class 85 Electric Goods - Class 58 Diesel
  7. Same combination for me please!
  8. My vote goes to the EM2/Class 77 1500 V DC electric locos
  9. That's super models such as the Bachmann Class 117, I presume
  10. As yesterday indirectly showed, choosing a "Brighton" loco won't be easy. H2, Z, and a number of classes of tank engines are all worthy of consideration, but in joint "second place" I'll mention Q1 0-6-0 - not to everyone's taste aesthetically, but very good at the job they were built for West Country/Battle of Britain - original form Design of the rebuild of both classes of Bulleid Pacifics BR Standard Class 4 2-6-4 Tank However, after much consideration, my actual vote goes to the A1/A1X Terriers - you only need to look at the threads on the various recent RTR models to see how strongly some people feel about these wonderfully long-lived little locos!
  11. The T9s were modified by Urie (presumably at Eastleigh) between 1922 and 1929, but originally built either by contractors or at Nine Elms...
  12. It is, indeed a can of worms - whether that is preferable to a can of Spam is a matter for debate The 30 Merchant Navies were all built at Eastleigh, and rebuilt at Eastleigh, though Brighton was responsible for the designs of both the originals and rebuilds. The 110 West Country/Battle of Britains were built at Brighton (104) and Eastleigh (6). The 60 that were rebuilt were all done at Eastleigh. Again, Brighton was responsible for the designs of both the originals and rebuilds. As Gilbert says "they count", I'll transfer my vote from earlier (King Arthurs) to the Merchant Navies. I'll freely admit that Darlington/Doncaster would have me completely foxed, so I sympathise with those who are perplexed by the Southern and its constituents
  13. Unfortunately, I think Jarvis was based at Brighton when he designed the rebuilds, so they're "designed at Brighton, built at Eastleigh" twice over...
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