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Showing results 1 to 10 of 10
Search took 0.00 seconds. Search: Posts Made By: Foghut
Forum: Light Rail and Metros 8th April 2008, 16:59
Replies: 33
Views: 20,840
Posted By Foghut
Perhaps you should approach Bombardier to find...

Perhaps you should approach Bombardier to find out what sort of electrical products are passed into the running rails by a modern train. IIRC they make the 375/376/377 series EMUs that are taking...
Forum: Light Rail and Metros 6th April 2008, 19:43
Replies: 33
Views: 20,840
Posted By Foghut
Basically yes. They're known coloquially round...

Basically yes. They're known coloquially round here (SE England) as spiders, and we're told that the postion of the spider does not always mark the end of the track circuit !!

As usual Wikipedia...
Forum: Light Rail and Metros 16th March 2008, 20:46
Replies: 33
Views: 20,840
Posted By Foghut
Well there already is a system for getting...

Well there already is a system for getting instantaneous indications of a train's presence - treadles. You don't get false readings with these as they require the flange of a train to operate them....
Forum: Light Rail and Metros 12th March 2008, 16:09
Replies: 33
Views: 20,840
Posted By Foghut
Hmm, I'm not sure I'd say most. Someone on here...

Hmm, I'm not sure I'd say most. Someone on here may be able to tell you just what proportion of route miles in the country are OHLE/3rd Rail/Not Electrified.

3rd rail 750v DC accounts for nearly...
Forum: Light Rail and Metros 8th March 2008, 09:03
Replies: 33
Views: 20,840
Posted By Foghut
No probelms with reliable track circuits - that...

No probelms with reliable track circuits - that can only be a good thing and I wish you well with the project.

But as future user (driver) of this system I'm afraid I feel fairly luddite about...
Forum: Light Rail and Metros 4th March 2008, 21:22
Replies: 33
Views: 20,840
Posted By Foghut
Well thankyou :D OK, that's a very interesting...

Well thankyou :D
OK, that's a very interesting view. With regard to redundancy I remember reading somewhere that in Japan their points have two sets of motors, so that if one motor stalls or fails...
Forum: Light Rail and Metros 2nd March 2008, 17:02
Replies: 33
Views: 20,840
Posted By Foghut
Yup, amen to that :mad: I've heard of this,...

Yup, amen to that :mad:

I've heard of this, the legendary leaf fall 'stealth trains' :D

I've seen the IVRS units when I rode in the cab of a mate, but I didn't twig what the technology was...
Forum: Light Rail and Metros 2nd March 2008, 15:29
Replies: 33
Views: 20,840
Posted By Foghut
I appreciate that this is said with an element of...

I appreciate that this is said with an element of fun, but this is a subject that I've given quite a bit of thought to over the years, so I'll jump in and have a rant. Remote control of trains...
Forum: Light Rail and Metros 28th February 2008, 20:42
Replies: 33
Views: 20,840
Posted By Foghut
The trouble is that GPS was designed for use out...

The trouble is that GPS was designed for use out in the open; like in the middle of the sea or in a desert. It constantly under-performs on the railway because of steel infrastructure, tunnels, and...
Forum: Light Rail and Metros 28th February 2008, 16:27
Replies: 33
Views: 20,840
Posted By Foghut
We've been told on our NR briefing days that in...

We've been told on our NR briefing days that in future there will be a move away from track circuits towards axle counters on high speed lines, due to the signal sections being so long.

I've had...
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