CLASS 41 Prototype HST powercars

TOPS Number range:

41001-41002, renumbered to 43000-43001

Design Codes:

410AA, later 430AA

Built by:

BREL Crewe

Years introduced:

1972

Wheel arrangement:

Bo-Bo

Weight:

68.5 tonnes

Height:

12ft 10in (3.90m)

Length:

56ft 4in (17.16m)

Width:

8ft 11in (2.73m)

Wheelbase:

42ft 4in (12.90m)

Bogie wheelbase:

8ft 7in (2.60m)

Bogie pivot centres:

33ft 9in (10.28m)

Wheel diameter:

3ft 4in (1.02m)

Min curve negotiable:

4 chains (80.46m)

Engine type:

Paxman Valenta 12RP200L

Engine output:

2,250hp (1,680kW) at 1,500rpm

Power at rail:

1,770hp (1,320kW)

Tractive effort:

17,980lb (80kN)

Cont Tractive effort:

10,340lb (46kN)

Cylinder bore:

7 3/4in (196mm)

Cylinder stroke:

7 1/2in (190mm)

Maximum speed:

125mph (201km/h)

Brake type:

Air

Brake force:

49 tonnes

Route availability:

6

Bogie type;

BP9a

Heating type:

Electric , modified to three phase

Multiple coupling type:

Within type

Main alternator type:

Brush BA1001B

Aux ETS alternator:

Brush BAH601B

Traction motor type:

Brush TMH68-46

No of traction motors:

4

Gear ratio:

59:23

Fuel tank capacity:

1,210gal (5,500lit)

Cooling water capacity:

163gal (741lit)

Lub oil capacity:

75gal (341lit)

Sanding equipment:

Not fitted

Luggage capacity:

2.5 tonnes