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Author Topic: Project 47 sees the light of day  (Read 2610 times)

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Marks DTM Calib

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Project 47 sees the light of day
« on: 11 May 2009, 12:45:22 »
The little project I have been helping with made a major strive forward yesterday.

It was pulled out into the sun and started up for the first time in 6 months.



Then yesterday evening she popped off for a nice gentle amble down to Loughborough and back.
« Last Edit: 11 May 2009, 12:46:18 by Mark »
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TheBoy

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Re: Project 47 sees the light of day
« Reply #1 on: 11 May 2009, 12:50:38 »
After your personal tour around the trains at york, I have more interest in them now. Still know one from another.


Either way, great work :y
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nick v6

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Re: Project 47 sees the light of day
« Reply #2 on: 11 May 2009, 12:51:30 »
well done
youve been on that a while now :y :y :y
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just need to tax the tank now:)

Jimbob

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Re: Project 47 sees the light of day
« Reply #3 on: 11 May 2009, 12:51:53 »
Always nice to see something restored.
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Marks DTM Calib

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Re: Project 47 sees the light of day
« Reply #4 on: 11 May 2009, 12:53:52 »
I also dont know one from the other (with exception to the ones I have laid my hands on!)

I had to change the engine and ancillary compartment roof filters at the weekend (each about the size of a cooker hood filter), 27 of the bloody things.

Each with 20 years of shite and dust in them......I looked like a member of the black and white minstrels!

I currently have a copy of the schematics for the 47 to study....and its only about 30 pages......we have 60 with more on them for a single small slide in unit at work!
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TheBoy

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Re: Project 47 sees the light of day
« Reply #5 on: 11 May 2009, 12:57:13 »
Sometimes, 'simple' technology is a better way forwards ;)
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TheBoy

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Re: Project 47 sees the light of day
« Reply #6 on: 11 May 2009, 12:57:57 »
And, as I don't think I said so at the time, thanks for your knowledge and enthusism during our visit to NRM :y :y
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Marks DTM Calib

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Re: Project 47 sees the light of day
« Reply #7 on: 11 May 2009, 12:59:12 »
Quick photo of the plant room:



2 brake air compressors on the left (for air and train brakes), 2 brake exhausters (vaccum pumps to you and me, for vaccum breaking) on the right and the triple pump just out of sight (this pumps the engine coolant, diesel fuel and engine oil).

Just through the door at the back you can see the end of the engine, the red pipes are the coolant pipes to the large oil/water heat exchanger and the yellow barrels just behind the pipes are the 3 oil filters!

I keep trying to get a pic of the engine (its rather huge!) but they never come out!
« Last Edit: 11 May 2009, 13:00:42 by Mark »
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Marks DTM Calib

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Re: Project 47 sees the light of day
« Reply #8 on: 11 May 2009, 13:04:20 »
Quote
Sometimes, 'simple' technology is a better way forwards ;)

Ow, a 47 is simple.

6 series DC motors......want to move, push the lever forward and the engine revs increase and the dyno output goes up.....push it further, it goes up more.

Speed control is done almost totaly by the engine revs.

The only exception is a rather great big contactor that kicks in a set of resistors (calibrated lengths of copper bar in reality) in parralel with the field windings (if you weaken the field on a DC motor it will spin faster) to give a few 'gears' (a 47 has 3 'gears' on most locos).

The 56 is more complex, one 'gear' and full thyristor control from an alternator to the series DC motors.

The modern units are very complex with DC links and some have cyclo convertors and induction motors!
« Last Edit: 11 May 2009, 13:05:36 by Mark »
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Marks DTM Calib

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Re: Project 47 sees the light of day
« Reply #9 on: 11 May 2009, 13:07:46 »
Triple pump



Water pump on the left and the other 2 pumps just out of sight on the right
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Marks DTM Calib

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Re: Project 47 sees the light of day
« Reply #10 on: 11 May 2009, 13:14:05 »
Coupl of other in shed photos





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Nickbat

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Re: Project 47 sees the light of day
« Reply #11 on: 11 May 2009, 13:15:50 »
Good work, Mark.  :y

Cool pics. 8-)
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Lizzie_Zoom

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Re: Project 47 sees the light of day
« Reply #12 on: 11 May 2009, 13:16:49 »
That's beautiful Mark!! :-* :-* :-*   A lovely example of a class 47! :-* :y :y

When I went trainspotting with my ex (yes I sometimes did that very un-girlie thing!!) I recorded in my ABC BR Motive Power Combined Volume for 1986 (I still have it!! ::) ::)) that very 47292 being at Bristol Temple Meads on a passenger train in 1986.   Unfortunately I did not record the exact date in that year, but as I was always a fair weather girl I know it was in the summer months!! :D :D :D ;)
« Last Edit: 11 May 2009, 13:17:34 by Lizzie_Zoom »
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Martin_1962

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Re: Project 47 sees the light of day
« Reply #13 on: 11 May 2009, 13:22:35 »
So it went back to its home town ;D

We have two 47s on our line
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Marks DTM Calib

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Re: Project 47 sees the light of day
« Reply #14 on: 11 May 2009, 13:23:45 »
Quote
That's beautiful Mark!! :-* :-* :-*   A lovely example of a class 47! :-* :y :y

When I went trainspotting with my ex (yes I sometimes did that very un-girlie thing!!) I recorded in my ABC BR Motive Power Combined Volume for 1986 (I still have it!! ::) ::)) that very 47292 being at Bristol Temple Meads on a passenger train in 1986.   Unfortunately I did not record the exact date in that year, but as I was always a fair weather girl I know it was in the summer months!! :D :D :D ;)

She did spend a lot of her time around that part of the world (she is ex freighliner).

We have had a few anoraks moaning about the colour scheme as its not one shes ever had (the cabs are normaly fully yellow which looks shite!) but, I think its about spot on and its good that the owner is adding another chapter to her history rather than trying to re-live a past one.
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