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I'm not sure but I read it as "seventy-double-oh-one" :p

To add to the above, there is also the issue of compression, which is the practice of knocking down the peaks of the audio signal and amplifying the result. This is done to give a more consistent overall volume and prevent distortion of the sound in a noisy environment. In short, it's very...

I'd electrify to Reading, Oxford and the branches from that line that run commuter services. Someone else would have to fund some new Electrostars before moving 365s to the Oxfords and Turbos to Wessex. If there was more money in the pot I'd electrify all the way to Swansea. If there was...

It's a bit bizarre but I don't think that banning it would stop any graffiti artists. Can't see why anyone would want to buy it though.

The 465s and 323s make similar but not identical noises. Both have GTO thyristor traction packages, and the thyristors have a limit to the switching frequency. The control gear changes waveform as the train speed rises, so that the switching frequency doesn't go too high. This is responsible for...

That's a very interesting idea! Assuming that most or all Turbos stayed with FGW it would also give a somewhat unified fleet. It would also avoid the problem of some passengers complaining about 'getting old cast-off trains from London' :lol:

I have in my records 158749 from Romsey to Southampton on May 19th, but no record of which vehicles it was formed of. Someone mentioned that FGW regularly swap carriages in their hybrid 158's, which indeed is the case. I think they must have quite a job on their hands keeping enough units...

I have read somewhere that a HST with one dead power car on level track balances around 110mph.

Yes I've been on it today, the front coach was full of enthusiasts between Trowbridge and Bristol. 67018 + 4 mk2 + 67016 on the back. At a guess it will probably be 67s all summer but someone else may have more definitive info.

Forgive me if I am wrong but I have heard it is the power cars, rather than the coaches that are becoming 'tired' on the HSTs. Given that the originals have lasted so long, would it not be possible to build new power cars to a similar design as the originals, and run them for another 30...

On the line through Bath and Westbury we get a lot of 158s. There's also a lot of people getting on and off with pushchairs, children, dogs, boxes and bicycles, and the door position on the 158s doesn't make for a comfortable experience sometimes. There's not enough space without any seats. The...

I usually use the stepboards and sometimes the handrails when boarding or alighting as the step down would be risky for me otherwise. This particularly at stations like Bath Spa where the platforms are low. I would have thought that with modern technology, carriages could be built with a lower...

I've voted for Cross Country. Every time I have travelled with them the trains have been absolutely packed - not enough carriages. Often they are running late too. I've tried to leave my dislike of Voyagers out of it.

You're quite right.

Very interesting and not what I'm used to seeing! I don't fancy the look of the 'corridor connections' myself :o I did hear somewhere that the Thai railway was planning on refurbishing their '158s' but I gather the political situation isn't too good there at the moment.

Many automatic transmissions use a torque converter on the lower gears, but with a lock-up clutch for the higher gears for increased power transfer efficiency. I guess these are probably best described as hydro-mechanical transmissions, whereas the Voith 2-speed is purely hydraulic and will have...

What I find curious is that while each car has only one exhaust stack, there are pipes on both sides of the powered bogie. At least as far as I can tell by looking at the pictures.

I was imagining for if there was a requirement for 125mph units in future, for other lines.

I believe the 08s were a development of a design English Electric produced for the LMS.

172 specifically - I would imagine the bogies being based on the 220 / 222 design would be good for it, and the 6 speed transmission would help with acceleration / hillclimbing ability.