As far as I am aware, balises did not control the tilt system on the APT as they do for the Pendolinos. Tilt was activated by a closed system of accelerometers fixed to the bogie frame. What APT did have was a system of track mounted transponders at 1km intervals that fed information to the Control-Advanced Passenger Train system, which gave the driver an in-cab indication of the higher permissable speed of the APT with tilt active. There are more details of the C-APT system here:No as the balise that controlled the tilt have been removed.
"Men who drive the trains..." were there no women driving trains back then?
Theoretically?
Could the APT run on the West Coast route today?
"Men who drive the trains..." were there no women driving trains back then?
https://en.m.wikipedia.org/wiki/Karen_HarrisonOff topic, but yes, there were, from 1978:
https://en.m.wikipedia.org/wiki/Karen_Harrison
The tilt system on the APT was not passive, which relies on centrifugal force to tilt a vehicle on curves, but active as it utilised hydraulic rams controlled by the microprocessor which responded to data fed to it by the accelerometers.Second, the tilt system was passive and worked to a greater extent than the Pendolinos, which are balise-controlled to particular extents at each location, so without this equipment fitted to trains, I suspect you'd have to disable the tilt system.
The tilt system on the APT was not passive, which relies on centrifugal force to tilt a vehicle on curves, but active as it utilised hydraulic rams controlled by the microprocessor which responded to data fed to it by the accelerometers.
Ah, very true - my apologies.I meant passive in the sense that it detected forces to activate tilt, rather than tilt being activated by trackside equipment.
However you are correct in that "passive tilt" is generally used to describe a system without powered (active) actuators.Ah, very true - my apologies.
I doubt if the gas turbines of the APT-E would pass modern emission standards
Since it's only half an APT, if it got to Euston it wouldn't be able to get back.
There really ought to be a locomotive (or unit, but preferably a locomotive) named in her honour.Off topic, but yes, there were, from 1978:
https://en.m.wikipedia.org/wiki/Karen_Harrison
I've got a feeling that I read somewhere that Scotland's first female driver was based at Fort William in either 1978 or 1979 but I can't find any references online.
There really ought to be a locomotive (or unit, but preferably a locomotive) named in her honour.
Unless there is, and I'm just unaware.
The post you have quoted refers to naming a loco or unit after Karen Harrison, not the APT.Not sure why, APT sums up everything that's wrong with this country.
I don't think they'd have to, as anything old usually has grandfather rights, but I'd assumed we were talking about the APT-P at Crewe here. The gas turbines in APT-E were developed by Leyland but almost immediately discontinued, so I doubt you'd ever get them running again.
The post you have quoted refers to naming a loco or unit after Karen Harrison, not the APT.
a BEL
Nor do steam loco's. It probably burns cleaner than a steam loco as well.I doubt if the gas turbines of the APT-E would pass modern emission standards
Or ''Autonomous Tilt" in the modern parlance. Tell everyone the control circuitry is Artificial Intelligence and collect your Silicon Valley venture capital!I meant passive in the sense that it detected forces to activate tilt, rather than tilt being activated by trackside equipment.
A what?