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Brakes and other questions?

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Couplings: Centre buffer, hook and screw chain.

Brakes: Continuous. Air or Vacuum?

Loading gauge. Are tunnels, etc, big enough to carry ISO containers?

Tabletop (talk) 01:12, 13 November 2008 (UTC)[reply]

From my observations last week:-
Couplings - as you describe above.
Brakes - not continuous. There is a brakeman on each coach (at least in theory) who can apply screw-down brakes if necessary. The loco gives a short blast of whistles when brakes are required.
Loading guage - almost certainly not. This is narrow gauge after all (950mm).
I think there's a reference to the brakes in a Railway Magazine article from around 2003 - I'll have a look and add it to the article if I find it. —  Tivedshambo  (t/c) (logged on as Pek) 07:25, 13 November 2008 (UTC)[reply]
"Tests have confirmed that 40ftcontainers can be carried through the 30 tunnels up the escarpment, and flatbed wagons are currently being repaired and strengthened in the workshops in preparation for container traffic, under the supervision of the head of the metal workshop, Beyene Ghebrai." Eritrea using local resources to revitalise its railway 01 Jun 2006
Wheeltapper (talk) 11:44, 13 November 2008 (UTC)[reply]
I stand corrected! —  Tivedshambo  (t/c) (logged on as Pek) 11:55, 13 November 2008 (UTC)[reply]

Brakes on tank car?

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&Image:Carro cisterno de Ferrovie Eritrea.jpg - A carro cisterna (tank car) of the Eritrean Railway, date unknown. The 2-axle car is 7,000 mm (23 ft) long, and has a 6,650 kg (14,660 lb) load capacity. Note brake hose.

This tank wagon seems to have air/vacuum brakes. See hoses.

Tabletop (talk) 11:12, 14 November 2008 (UTC)[reply]

40ft containers, but how high?

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Being able to carry 40ft containers would be very good news for Eritrean Railways, as this could make up a lot of business for them.

But what height containers?

  • 8' 0" - original and only size.
  • 8' 6"
  • 9' 0"
  • 9' 6"
  • 10' 0" ?

Recently, New Zealand Railways had a government proposal to increase the size of its tunnels to handle taller containers.

British Railways also needs work to handle the taller containers.

Tabletop (talk) 08:27, 15 November 2008 (UTC)[reply]

If the tunnel floors need to be lowered, then the LR55 rail can be useful. Tabletop (talk) 05:47, 25 May 2010 (UTC)[reply]

.

On this video you can see that they were using 20" containers, so the height is 8' 6". http://www.youtube.com/watch?v=xiwCO9sXt8A — Preceding unsigned comment added by 89.164.138.171 (talk) 15:32, 5 January 2014 (UTC)[reply]

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Hello,
I would like to submit copies of drawing and spec sheet of Krupp-built D700BB road-switcher units to prove my case for the modifications dd 2023-07-27.
Cabside railway number of one of the units is "27D" allegedly in place on the cabsides between 1957 and 2014. I am not aware how the "D25" crept into the previous text, but so far I shy away from modifying that.
Kindly drop me an info how to supply the two documents (dwg is a zoom-out copy of the spec sheet) for cross-checking. The quoted source is (afaik) not available online and has not been given any ISBN, back in 1966.
Kind regards, C.Th.Wagner 93.231.115.158 (talk) 01:45, 27 July 2023 (UTC)[reply]
Sorry, guess I'd best give references here before blowing links again:
Page 41 in: "Locomotives made in Germany", No ISBN, ed.1966 by "Exportfoerderungsverband der deutschen Lokomotivindustrie", referring to spec sheet of Krupp "D700BB" with engine and transmission data, and elevation drawing.
Page 509 (Table 86 "Examples of diesel-hydraulic locomotives since 1950", entry 22) in: "Henschel Locomotive Engineer's Manual", DE-Kassel: Henschel-Werke 1960 (English by F.Hart 1965), DE-Duesseldorf: VDI-Verlag 1960; No ISBN.
Engine rating was 700 hp (UIC), so at ruling altitudes of 2000-plus m it would be no more than 630 hp.
Speculation, but plausible that the remaining two units could be kept going that long with spares salvaged from the two war losses. Peculiarity of these 1950ies Krupp diesel-hydraulics is the hydrodynamic transmission to the "Lysholm-Smith" system, designed and manufactured by Krupp, and no longer available as OEM spares. 93.231.115.158 (talk) 03:32, 27 July 2023 (UTC)[reply]
This, and the "thirsty" MAN "W6V 22/30" diesels prove an issue ever since delivery. This traction issue is clearly a major problem for the railway. ::Similar, but lighter 38 tonne Indonesian Krupp-built " M 700 B'B' " roadswitcher units of PNKA class "BB300.0" used, by contrast, MB820B diesel engines (since re-engined towards 900 hp).
Indonesia seems to have a similar, though more angular, loading gauge for their Cape Gauge Java network: Figs. 12 & 37 in BAZANT, J.: "Lichtraumprofile und Fahrzeugbegrenzungslinien von Eisenbahnen" in: (ZEV) Glasers Annalen 87 (1963) 1, pg.13 - 18 + 3 folding sheets A3 = 5 comparative drawing pages for international clearances. Smaller Burma or Thailand clearances might also be considered for technical solutions.

Location and history of Massawa Station

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The original station "old railway station" was built on on an island. a new station seems to have been built but does anyone know anything about the history of this, and where it is? Lawrence18uk (talk) 08:51, 11 July 2020 (UTC)[reply]

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