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This was partly because of prejudices against hydraulic transmission high up in BR's engineering wings which deemed all the Western Region's diesel-hydraulic locomotives non-standard. Ex- Eastern Region Class 31 diesel-electrics were drafted in as replacements.
I'm not sure this sentence is justifiable. While it's true that the anti-hydraulic sentiments at BR saw the Hymeks, Warships and Westerns withdrawn long before they should have been, the 22 was not a successful locomotive design and would have been withdrawn anyway. Note that NBL's Diesel-Electric Class 21/29 was withdrawn at the same time. FiggyBee 22:11, 24 June 2006 (UTC)
I've just been re-reading Vol 2 of Cox's `Locomotive Panorama'. You need to treat his views with care, as an LMS man and a steam man, but he's fairly scathing of the flimsy justification of the Diesel Hydraulic programme, notably the statement that 40% of the problems with D-H locomotives were in fact electrical. This goes against the argument that WR didn't have electrical staff available because of the lack of electrified lines. He essentially argues it came down to the former GWR staff wanting to preserve difference (see also low superheat). -- Ibatten 18:55, 28 June 2006 (UTC)
I have deleted "Like most North British products, they were poor..." because I think it is too sweeping a generalisation. 82.21.65.109 23:32, 25 February 2007 (UTC)
The article states "D6300 was introduced to traffic in 1958" yet the build date says 1959 to 1962.
Only one can be right, which is it! FengRail ( talk) 00:42, 16 March 2009 (UTC)
Hi again. I should just edit it to say mid 80s % for availablilty to make it simple? what do you think?. Heres the referance anyway. Raliway World annual 1980 page 114 to 119 written by Chris Leigh.
Cheers Jim —Preceding unsigned comment added by Turbozed ( talk • contribs) 22:06, 11 April 2009 (UTC)
I make it ~86% (58 locos, only really 57 in service, availabilty = 85 gives true availability of 85*58/57 )
So i've put "over 85%" with a note. FengRail ( talk) 22:25, 11 April 2009 (UTC)
Were these called 'Ronsons' by staff? I remember that one V-engined type had a problem with vibration-fractures, or it shook a union loose, on the fuel-lines, & dripped diesel between the V, which flashed over on a regular basis... — Preceding unsigned comment added by Archolman ( talk • contribs) 20:43, 8 November 2012
This is a too "a little bird told me" as is, for an encyclopedia. Prof.Haddock ( talk) 19:39, 19 February 2014 (UTC)
In http://www.derbysulzers.com/year1957.html it states a S suffix means "supercharged" -it also refers to a "M" engine.
Most engine technical literature the corresponding MAN engine is sometimes called L12V18/2lmA - according to Diesel Railway Traction vol.15 (1961) p.173 it says that "mA" means "mit Aufladung" meaning with pressure charging.. (ie supercharging) .. if so what does the "B" in the D6306-D6357 versions refer to?? Prof.Haddock ( talk) 22:10, 19 February 2014 (UTC)
The first supplied to the WR for locomotives D600–4 and D6300–5 were the older L12V18/21A model; the remainder, beginning in 1959, were the revised L12V18/21B. The code L12V18/21S was used sometimes by NBL, the S for supercharged taking the place of the German A for Aufladung.
Several attempts have been made to include some material on the new build project but these have been deemed unsuitable. Lately the standard has not been good enough, but do we really think this project should have no mention whatever? Globbet ( talk) 16:20, 15 September 2015 (UTC)
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This was partly because of prejudices against hydraulic transmission high up in BR's engineering wings which deemed all the Western Region's diesel-hydraulic locomotives non-standard. Ex- Eastern Region Class 31 diesel-electrics were drafted in as replacements.
I'm not sure this sentence is justifiable. While it's true that the anti-hydraulic sentiments at BR saw the Hymeks, Warships and Westerns withdrawn long before they should have been, the 22 was not a successful locomotive design and would have been withdrawn anyway. Note that NBL's Diesel-Electric Class 21/29 was withdrawn at the same time. FiggyBee 22:11, 24 June 2006 (UTC)
I've just been re-reading Vol 2 of Cox's `Locomotive Panorama'. You need to treat his views with care, as an LMS man and a steam man, but he's fairly scathing of the flimsy justification of the Diesel Hydraulic programme, notably the statement that 40% of the problems with D-H locomotives were in fact electrical. This goes against the argument that WR didn't have electrical staff available because of the lack of electrified lines. He essentially argues it came down to the former GWR staff wanting to preserve difference (see also low superheat). -- Ibatten 18:55, 28 June 2006 (UTC)
I have deleted "Like most North British products, they were poor..." because I think it is too sweeping a generalisation. 82.21.65.109 23:32, 25 February 2007 (UTC)
The article states "D6300 was introduced to traffic in 1958" yet the build date says 1959 to 1962.
Only one can be right, which is it! FengRail ( talk) 00:42, 16 March 2009 (UTC)
Hi again. I should just edit it to say mid 80s % for availablilty to make it simple? what do you think?. Heres the referance anyway. Raliway World annual 1980 page 114 to 119 written by Chris Leigh.
Cheers Jim —Preceding unsigned comment added by Turbozed ( talk • contribs) 22:06, 11 April 2009 (UTC)
I make it ~86% (58 locos, only really 57 in service, availabilty = 85 gives true availability of 85*58/57 )
So i've put "over 85%" with a note. FengRail ( talk) 22:25, 11 April 2009 (UTC)
Were these called 'Ronsons' by staff? I remember that one V-engined type had a problem with vibration-fractures, or it shook a union loose, on the fuel-lines, & dripped diesel between the V, which flashed over on a regular basis... — Preceding unsigned comment added by Archolman ( talk • contribs) 20:43, 8 November 2012
This is a too "a little bird told me" as is, for an encyclopedia. Prof.Haddock ( talk) 19:39, 19 February 2014 (UTC)
In http://www.derbysulzers.com/year1957.html it states a S suffix means "supercharged" -it also refers to a "M" engine.
Most engine technical literature the corresponding MAN engine is sometimes called L12V18/2lmA - according to Diesel Railway Traction vol.15 (1961) p.173 it says that "mA" means "mit Aufladung" meaning with pressure charging.. (ie supercharging) .. if so what does the "B" in the D6306-D6357 versions refer to?? Prof.Haddock ( talk) 22:10, 19 February 2014 (UTC)
The first supplied to the WR for locomotives D600–4 and D6300–5 were the older L12V18/21A model; the remainder, beginning in 1959, were the revised L12V18/21B. The code L12V18/21S was used sometimes by NBL, the S for supercharged taking the place of the German A for Aufladung.
Several attempts have been made to include some material on the new build project but these have been deemed unsuitable. Lately the standard has not been good enough, but do we really think this project should have no mention whatever? Globbet ( talk) 16:20, 15 September 2015 (UTC)