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And the memory structure was more akin to a 24Kb magnetic core memory than 8Gb DDR RAM

I think the whole thing underlines that the current government are not interested in railways, dont understand them, and dont want to. They see them as a banana skin, and a drain on the treasury. When was the last transport minister who actually made an effort to understand the railways, I would...

I think the miners strikes in the 1970s would have killed steam off in this country, but I do think that a more measured approach to replacing steam would have resulted in less money being spent on diesel classes which turned out to be 'lemons'. Steam classes like 9Fs hanging on for a few more...

Here: I was aware of them growing up in the 60s but never had the oportunity to explore

Just had a look at the current timetable, and a typical 'fast' service, say the 08:00 from Kings Cross, First stop York, then Darlington, Newcastle, Berwick and Edinburgh takes 4h 22m. Run time to York is 1h 49m, even if all the bits capable of upgrade to 140mph south of York were to be upgraded...

Wasn't this the idea with the deep level shelters constructed during WW2, after the war they would create a stop skipping service, certainly where I grew up in London near Clapham South. Its also the case that devlopment followed the outer ends of a lot of the tube lines, so changing the routes...

The problem with this sequence is a Y failure results in a less restrictive signal than G-Y. I think the only vaugely possible would be a double green as '140mph', one failure results in a more restrictive signal. I dont know if anyone can shed more light on how things were tested and when the...

So how did the flashing green aspect that was introduced at I think one or two locations on the ECML come about. Was this the test which resulted in 'This isnt going to work, we need in cab signalling' rather than the start of a roll out of 140mph on suitable sections

I think the reality is that the proposal back when for example the Class 91s were introduced was that conventional signaling would be used, once that avenue closed providing in cab signalling increased costs by an order of magnitude. If conventional signalling had been allowed it would have...

I get the feeling that HS2 only survived by the skin of its teeth last year, and I think if there was an easy way to kill it off the Government would have done so, as it is they going to cut it back to the bare minimum. Todays inflation figures may help the cause slightly, but I think the...

How much of the ECML between London and Edinburgh is actually suitable for 140mph running assuming its just fettling the track with in the existing railway boundary? I suspect well less than 50%., so 3 sec a mile for 200 miles being optimistic, 10 minutes saved on journey time. The reality would...

We visited it last year while on holiday, and its a destination in its own right, with a multi-level shopping centre as well as the RER and Metro stations. The scale is however beyond anything which would be built in Central London. Because of its scale some of the interchanges are to put it...

I think the growth could be there, driven by leisure travel, how do mid range journeys, lets say in the 50 -300 mile category split between road and rail. I have heard figures in the area 5-10% rail, 90-95% road, I dont know if thats accurate or if anyone really knows. This is the area where...

What you are saying is sensible, but I doubt that is how the politicians of either main party will approach it.

I reckon when Rishi Sunak took over it was close to being cancelled. The only thing that saved it was the fact that works were well advanced. No I dont have the ear of any high up politicians, but it was fairly obvious from the noises coming out of Westminster that it only survived by the skin...

I would expand that to say any public transport in the UK. Infrastructure improvements take far too long to deliver, and the real cost of delivery has risen over the last 50 years to the point where schemes are just not going to find funding. Any scheme, travel card etc. is going to have to...

Have removeable and replaceable batteries for rolling stock been considered, something similar in outline to a mini container, with an automated lifting and placing system. A fully charged battery could then be swapped in. Quick than trying to partial charge. Flat battery can be recharged ready...

I think the issue would be in clearly identifying which category a service falls into, particularly outside London. A good example of this would be TPE North services. I could just see it being a recipe for further arguments between passengers and staff, "Well it said Local on the departure...

How are rail cards financed, I have and old g.... sorry senior railcard. It costs me about £27 a year as I paid 3 years up front, last week I spent £150 on rail fares, which would have been well over £200 without the railcard, the year before covid annual spend was well over £4K, as I was...

From our neck of the woods, yes, but equally could be quite a bit of local travel I saw it being more like a debit card payment, operators sign up, and the money is transfered direct, rather than a central allocation. £100 was a nominal amount, I am not sure what level would be appropriate, or...