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Go Back   Railway Forum > Diesel & Electric > Diesel & Electric Discussion

Bad brakes.

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  #11  
Old 20th December 2009, 22:03
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I know I'm just biased!
Still when going light engine is concerned it is better to be safe than sorry.
I have also heard that steam did better when there was leaves on the line.
Was this to do with brakes?


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Last edited by steam for ever; 20th December 2009 at 22:03. Reason: addition
  #12  
Old 20th December 2009, 22:09
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You can not compare steam brakes to modern day all trains as you all know are fully fitted not so years ago.
Brakes on a hst has awesome brakes i was never passed on them but i have driven them many times and going back to the silver bullets the air brakes on the are fantastic.
I know what you are saying SFE and yes all loco brakes on there own are not that great but modern day brakes are a lot better they have to be.

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  #13  
Old 20th December 2009, 22:12
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Quote:
Originally Posted by steam for ever View Post
I know I'm just biased!
Still when going light engine is concerned it is better to be safe than sorry.
I have also heard that steam did better when there was leaves on the line.
Was this to do with brakes?
Nothing at all to do with the brakes a train will slide steam brake or air brake.

ccmmick.
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  #14  
Old 20th December 2009, 22:19
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Your probably wondering how I got to be CME now.
So am I!

Seriously I don't design diesels as I leave that to the engineering team and I design the steam and rolling stock, so that explains the ignorance.

The reason I write this thread is that we are having some trouble with diesel style test bogies and brakes and so far they are not working very well.
We have seen that when the brakes are left on, the discs will run hot and they are useless.

Is this the same on all diesel locos?
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  #15  
Old 20th December 2009, 22:25
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Originally Posted by steam for ever View Post
Your probably wondering how I got to be CME now.
So am I!

Seriously I don't design diesels as I leave that to the engineering team and I design the steam and rolling stock, so that explains the ignorance.

The reason I write this thread is that we are having some trouble with diesel style test bogies and brakes and so far they are not working very well.
We have seen that when the brakes are left on, the discs will run hot and they are useless.

Is this the same on all diesel locos?
If you ran your car with the brakes on, the discs would soon get VERY hot and you would get "brake fade" ! (ie no brakes)

Most vehicle front brake discs are now ventilated to make them dissipate heat quicker.
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  #16  
Old 20th December 2009, 22:28
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Thanks Pre65, we will go and alter the brakes now.
There is probably some of those spare in the workshop.
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  #17  
Old 20th December 2009, 22:38
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Your probably wondering how I got to be CME now.
So am I!

Hi SFE ! Don't mean to be rude (especially in the festive season ) but I think your "title" is a bit of an affront to the preservation movement.

At the very least I would expect a CME to have some mechanical qualifications and a real understanding of railway matters.
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  #18  
Old 20th December 2009, 22:41
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Hi SFE
Why not use brake blocks on the wheel tyres on your diesels, mine has 4 blocks in a similar style to steam loco's except they are air powered. if anything they can be too good if not handled with due care.
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  #19  
Old 20th December 2009, 22:42
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Sorry Pre65, as it is the festive season, I am also drunk.
Not incredibly, but enough to be as much use as a chocolate teapot.
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  #20  
Old 20th December 2009, 22:54
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6678bjm, that is quite a good idea, in fact we tried that before but none of the parts fitted.
The design created by the team involved discs and to do this we will need to alter the bogies, which will take a week ot two to design and rebuild.

I am now drinking lots of water as i see I am placed on the spot a bit.
Heres my experience just for you Pre65.

I started building minaiture locos for people to designs done by my grandfather about 10 years back, who was pretty much head of everything.
I steadily built larger and larger locos up to 15 inch guage for a private site.
3 years ago my grandfather died, but after being second to him i took the drivers seat as it were and now I have built 3 locos to my own designs and yes they work.
This is why I am CME now.

Anyway we are only just getting up and running on the scale we want so this is why I enquire.
Hope that clears it up.
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