ADTRANZ DE -AC33C Locomotive overview.
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The Blue Tiger (manufacturer designation: DE-AC33C) is a type of high powered diesel-electric locomotive developed by Ad-Tranz in association with General Electric. The prototype was unveiled in 1996. |
Initially
the axle load was
expected to be a light 18 tones and the power at 2,500 kW (3,400 hp). In practice, the German locomotives had an
axle load of 21 tones (which is normal for this type of diesel locomotive).
General Electric supplied diesel engines and
electrical transmission system (which used IGBT-based inverters
driving AC traction motors). The rest of the locomotive was built by AdTranz
in Kassel.
For
the Pakistani export models a 16-cylinder engine was used.
Bombardier took over AdTranz in 2001,
subsequently the Blue Tiger locomotive was shown at InnoTrans in
2002 with
a view to European orders. The German production models had a mass of 126 tones
and an engine power of 2,430 kW (3,260 hp).
As
of 2009, the class is no longer listed as a production model by Bombardier; GE
lists also lists the family as a former production type. For
the European market, Bombardier produces the less powerful diesel variants of
the TRAXX family,
whilst GE offers variants of its Evolution series for export.
Locomotive Prime Mover (7FDL-V16/12 Engine):
The GE (General Electric) 7FDL is a series of four-stroke prime-movers or diesel engine (motor) models built by GE from 1956 to 2004, but is still in production for export models. They consist of 8, 12, and 16 cylinder configurations, and are typically arranged in a "V" formation like many other prime-movers built for diesel locomotives.
Engine specification:
Model |
7FDL-12 |
7FDL-16 |
RPM Idle / Low Idle |
450 |
450 |
RPM Full Load |
1050 |
1050 |
Stroke Cycle |
4 |
4 |
Bore / Stroke |
9 x 10½ |
9 x 10½ |
Cylinders |
12 |
16 |
Weight (lbs.) |
35,750 lbs. |
45,050 lbs. |
Aspiration |
Turbocharged |
Turbocharged |
Gross Horsepower |
3,300hp (varies depending on power assemblies) |
4,500hp (varies depending on power assemblies) |
Traction Horsepower |
3,200hp (varies) |
4,400hp (varies) |
Locomotive Cab:
Locomotive bogies(Truck):
FLEXX Power 120
The FLEXX Power bogie portfolio serves the complete
range of locomotives: from freight and heavy haul to passenger trains, as well
as very high speed power heads.
|
Technical Features |
FLEXX Power 120 |
|
Gauge |
1,000 / 1,067 / 1,435
mm |
|
Wheel base |
2 x 1,850 mm |
|
Wheel diameter |
1,067 mm |
|
Speed |
80 - 120 km/h |
|
Mass (trailer) |
23.8 t |
|
Axle load |
22 - 30 t |
|
Traction power |
3 x 410 - 3 x 900 kW |
|
Traction effort |
259 - 300 kN |
|
References |
Blue Tiger locomotives IORE locomotives |
Over 300 FLEXX Power 120 bogies are in
successful operation worldwide, for instance under Blue Tiger locomotives in
Germany and in Pakistan. The FLEXX Power 120 bogies provide highest operational
reliability combined with optimal power transmission. The drive system consists
of an axle-mounted drive. The FLEXX Power 120H is a locomotive bogie dedicated
for heavy freight haul. Designed for a speed of 80 km/h and a tractive effort
of 300 kN per bogiethe FLEXX Power 120 H bogies are in service on iron ore
trains between Kiruna and Narvik under harsh winter conditions north of the
Arctic Circle.
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