kevinwaltets
Member
- Joined
- 11 Apr 2012
- Messages
- 45
I expect the 442 motors could be reused in a new build
I expect the 442 motors could be reused in a new build
I like this idea, keep them all in one place. There must be so many threads on them-they deserve their own place.they could have a separate forum section just for the deluded to post daft comments about them.
I expect the 442 motors could be reused in a new build
So that would explain why the Class 73 rebuilds retain EE546 motors, with design life of 20 years+, then?No chance, they are EE546 50 odd years old and only similar to class 73 locos. DC motors for traction are generally only good for the scrapheap now the AC power technology has improved. look at the modified 455's which had similar motors until recently.
So that would explain why the Class 73 rebuilds retain EE546 motors, with design life of 20 years+, then?
i bring you this!
A fine example of Southern Region ingenuity!
But you wouldn't design the motors into a brand-new EMU or locomotive.
That was done because BR had to do it. The rule for BR was do it cheap or not at all, which meant recycling rolling stock. If you were to keep 442s, you would probably retraction them with AC motors. This assumes that the body shells are in good condition, which isn't necessarily the case. In which case, why not just build new trains according to a modern design that's ready to go from someone like Siemens or Bombardier?222ben said:That's what they did with the 442s though isn't it
Would more paths be available once SWT take over the International Platforms at Waterloo plus (and if built according to NR SWML RUS) Woking and Basingstoke flyovers?
So that would explain why the Class 73 rebuilds retain EE546 motors, with design life of 20 years+, then?
There's only 2 455s so far fitted with AC motors and they're on test. The case for doing them is really about maintenance savings on the camshaft control gear which frees capacity at Wimbledon for the 707s.
So that would explain why the Class 73 rebuilds retain EE546 motors, with design life of 20 years+, then?
There's only 2 455s so far fitted with AC motors and they're on test. The case for doing them is really about maintenance savings on the camshaft control gear which frees capacity at Wimbledon for the 707s.
Can regenerative braking (or something like KERS out of F1) be used to recharge carriage batteries?
And presumably about energy savings and reduced pad wear from regenerative brakes, although if I remember right a 455 has only 25% motored axles so that may not be very large. Regeneration is even less beneficial on a locomotive because most of the braking is done on the hauled stock which has no motors.
Still if they kept them in service somewhere they could have a separate forum section just for the deluded to post daft comments about them.
Can regenerative braking (or something like KERS out of F1) be used to recharge carriage batteries?
For this reason, I'm not creating a new thread to ask this question which has always perplexed me (and while I don't post much, I'm quite a lurker) - what's actually special about 442s? That they got a speed record? That they used to have compartments? I don't geddit.
Serious question btw and I'd really appreciate it if at least one 442 lover tries to explain.
Couldn't they do some flywheel thing with the 442s like they did with the 139s? Couldn't be too hard to do
as when electrification is available, it makes sense to put it back into the line feed.
Can regenerative braking (or something like KERS out of F1) be used to recharge carriage batteries?
I expect not. They're already ancient, having been pulled from the former 4REPs. Never mind that the technology is far outdated.
I was only joking.
The REP's were fantastic and I travelled many thousands of miles on them. I also have to suffer 444's quite regularly these days.
Although I probably only travelled 20 times on the 442's when is BR and SWT, I think they were brilliant for comfort and layout.
I have no idea of what happened to them after they moved to Southern though.
Kevin