Speed

I was on an A stock doing 70mph this year - there's a video on my youtube channel (benjie131)

And on that note I don't think they're limited

I was gonna say, because I could of sworn I was going 70 going through Kilburn the other day!

Its funny that still with all the money being spent on track replacement there are still places that cause concern.

Well I was southbound through Kilburn and I can assure you this A60 was running like it had superman by it's side. Yes the ride was VERY bumpy.

I'm on a delayed Pendolino back down to Euston right now and I'd say for most of it we've been travelling at about 50mph. Meant to be in about now and according to the GPS on my phone we're just outside Tamworth, wherever that is. Only good side is that I've got the laptop and there's free wifi

The problem with the GPS widgets in phones is they're naff at keeping a signal, and try and be intelligent when filling in gaps. I have a trace from the GPS on my phone of a Piccadilly Line train breifly reaching 145kmh between Ickenham and Hillingdon... In reality we probably weren't doing anything more than 35mph... (bout 55k)

I certainly wouldn't trust any speed reading my or any phone gave me. The Transmitters are far too small to maintain a reliable signal.

With regard to A Stock doing 70 I'd say it's highly unlikely - 55 or 60 perhaps, but they're simply too old and knackered and besides, any driver doing those speeds would be breaking the rules. In trains that rattly and bouncy, 50mph can feel very fast indeed compared to more modern stocks.

My one doesnt fill in gaps, it does the pace of the movement and then works the speed out from that, its a nokia 5230

I find some journeys are faster than others, sometimes A stock go fast but maybe you don't notice it.
Yesterday I was on a 96 stock between Neasden and Wembley and it felt like the train was doing about 60mph, it seems alot faster and scarier hurtling towards Wembley on a jubilee line train than it does the met.

Probably because you're a) sideways and b) the Jub has DLL stock, also which the 96ts has relatively inflexible bogie frames and will shake the s$!& out of yer.

The 96ts is all well and capable of 62mph, but in tripcock manual, they are relatively limited in acceleration. The increase in speed in TBTC manual through the tunnel section is hugely noticeable. Some of the wheel noise through the JLE is horrible as it is... can't remember where, though...

Maybe....

However, sit in a car, and do 30mph through a residential zone, and it feels slow. Sit on a bus doing the same speed in the same place and it feels/appears to be well faster.

Optical illusion due to the size, coupled with the motor/engine noise.

I use the chronometer on my phone and email myself the logs from the phone so I can get an accurate centre of platform - centre of platform fix on the very, very rare occasions I'm interested in speed rather than transit time.

<picky>

Receiver surely? The transmitters are in geo-stationary orbit.



</picky>

I've used a long word with a hyphen, so I'm now prepared to be shot down in flames...... ;D


Simon

Is there a speed restriction in the Neasden area southbound? I've not been on that section for a few years now but I always remember accelrating out of Wembley Park and then slowing down in the Neasdon area for some reason.

There used to be a requorement to reduce speed because of the Neasden north-end points two decades ago I seem to recall!