loco-info.com - Paris-Lyon-Méditerranée No. 1 to 680

General
Built	1918-1927, 1933-1934
Manufacturer	SLM, Schneider, SFCM, Fives-Lille, Blanc-Misseron
Axle config	2-8-2 (Mikado)
Gauge	4 ft 8 1/2 in (Standard gauge)

Dimensions and Weights
Length	74 ft 7 1/4 in
Length loco	45 ft 3 1/2 in
Wheelbase	36 ft 3 1/16 in
Rigid wheelbase	17 ft 8 5/8 in
Total wheelbase	53 ft 5 3/4 in
Service weight	214,157 lbs
Adhesive weight	155,271 lbs
Axle load	39,242 lbs
Water capacity	6,604 us gal
Fuel capacity	15,432 lbs (coal)

Boiler
Grate area	45.7 sq ft
Firebox area	168.7 sq ft
Tube heating area	2,202.5 sq ft
Evaporative heating area	2,371.2 sq ft
Superheater area	760.3 sq ft
Total heating area	3,131.4 sq ft

Power Plant
Driver diameter	65 in
Boiler pressure	232 psi
Expansion type	compound
Cylinders	four, HP: 20 1/16 x 25 9/16 in and LP: 28 3/8 x 27 9/16 in

Power
Power source	steam
Indicated power	1,924 hp (1,435 kW)
Optimal speed	29 mph
Top speed	59 mph
Starting effort	42,749 lbf
with start valve	51,299 lbf

Calculated Values
Factor of adhesion	1 : 3.03
Power-to-weight ratio	0.0090 hp/lb
Heating Area Equivalent	4,735 sq ft
Cylinder volume/HAE	1 : 1251.58
Adhesive weight/Total	1 : 1.38
Tractive force/Heating area	1 : 3682.79
Grate area/Heating area	1 : 64.76
Firebox/Tube area	1 : 17.57
Total/Superheater	1 : 3.12
HP/LP cylinders	1 : 2.15

steam locomotive

passenger

De Glehn compound

last changed: 08 2023

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