NER 66 Aerolite

Aerolite

66 Aerolite preserved in the National Railway Museum

Type and origin
Power type	Steam

Specifications
Configuration	2-2-2T, rebuilt as 4-2-2, rebuilt again as 2-2-4T
Leading dia.	3 ft 7 in (1.092 m)
Driver dia.	5 ft 7 ³⁄₄ in (1.721 m)
Trailing dia.	3 ft 1 ¹⁄₄ in (0.946 m)
Wheelbase	20 ft 7 in (6.27 m)
Length	32 ft 8 ¹⁄₂ in (9.970 m)
Axle load	19.5 long tons (19.8 t; 21.8 short tons)
Loco weight	44.95 long tons (45.67 t; 50.34 short tons)
Fuel capacity	2.5 long tons (2.5 t; 2.8 short tons)
Water cap	1,620 imp gal (7,400 l; 1,950 US gal)
Firebox: • Firegrate area	11 sq ft (1.0 m²)
Boiler	3 ft 9 ³⁄₄ in (1.162 m) diameter
Boiler pressure	175 psi (1.21 MPa)
Heating surface	766 sq ft (71.2 m²)
• Tubes	701 sq ft (65.1 m²)
• Firebox	65 sq ft (6.0 m²)
Cylinders	2 inside (1 HP 1 LP)
High-pressure cylinder	13 in × 20 in (330 mm × 508 mm)
Low-pressure cylinder	18.5 in × 20 in (470 mm × 510 mm)
Valve gear	Stephenson

Performance figures
Tractive effort	6,390 lbf (28.4 kN)

Career
Operators	NER, LNER
Class	LNER: X1
Numbers	66
Official name	Aerolite
Retired	1933
Disposition	Static display

North Eastern Railway (NER) No. 66 Aerolite is a preserved British steam locomotive. It was classified X1 by the LNER.

Aerolite was built in 1869 as a replacement for an engine of the same name built by Kitson's for the Great Exhibition in 1851 and which was destroyed in a collision in 1868. The engine, like its predecessor, was used to haul the Mechanical Engineer's saloon. Originally a 2-2-2WT well tank, side tanks were added 1886, and around this time it received the number 66.

In 1892 Aerolite was rebuilt into a 4-2-2, destroying much of the original engine. The well tank was removed, the side tanks expanded, and the two-cylinder Worsdell-von Borries compounding system applied. In 1902 it was again rebuilt into a 2-2-4T.

Aerolite was withdrawn in 1933 and preserved in 1934 at the LNER's York museum. It can be seen as a static exhibit at the National Railway Museum in York.

In fiction

An engine of this type is seen in the TV Series Thomas the Tank Engine and Friends, as the character Whiff. The character carries the number 66 just like the engine he is based on.

External links

Wikimedia Commons has media related to NER 66 Aerolite.

http://www.lner.info/locos/X/x1.shtml

London and North Eastern Railway locomotives

Pre-grouping railway designs:

Great Central:	A5 B1/B18 B2/B19 B3 B4 B5 B6 B7 B8 B9 C4 C5 C13 C14 D5 D6 D7 D8 D9 D10 D11 D12 E2 E3 E8 F1 F2 G3 J8 J9 J10 J11 J12 J13 J58 J59 J60 J61 J62 J63 L1/L3 M1 N4 N5 N6 O4 O5 Q4 S1 X4 Y2

Great Eastern:	B12 D13 D14 D15 D16 E4 F3 F4 F5 F6 F7 G4 J14 J15 J16 J17 J18 J19 J20 J65 J66 J67 J68 J69 J70 N7 Y4 Y5 Y6 Z4/J92

Great North of Scotland:	D38 D39 D40 D41 D42 D43 D44 D45 D46 D47 D48 G10 J90 J91 Z4 Z5

Great Northern:	A1 C1 C2 C12 D1 D2 D3 D4 E1 G1 G2 J1 J2 J3 J4 J5 J6 J7 J50 J51 J52 J53 J54 J55 J56 J57 K1 K2 K3 N1 N2 O1 O2 Q1 Q2 Q3 R1

North British:	C10 C11 C15 C16 D25 D26 D27 D28 D29 D30 D31 D32 D33 D34 D35 D36 D50 D51 E7 G7 G8 G9 J31 J32 J33 J34 J35 J36 J37 J81 J82 J83 J84 J85 J86 J88 N14 N15 Y9 Y10

North Eastern:	A2 A6 A7 B13 B14 B15 B16 C6 C7 C8 D17/1 D17/2 D18 D19 D20 D21 D22 D23 E5 E6 F8 G5 G6 H1 J21 J22 J24 J25 J26 J27 J71 J72 J73 J74 J76 J77 J78 J79 N8 N9 N10 Q5 Q6 Q7 T1 X1 X2 X3 Y7 Y8 EB1 EE1 EF1 ES1

North Eastern (ex Hull & Barnsley)	D24 J23 J28 J75 J80 N11 N12 N13 Q10

LNER designs:

Gresley (1923–1941):	A1 A3 A4 A8 B17 D49 J38 J39 J50 K4 P1 P2 U1 V1 V2 V3 V4 W1 EM1

Thompson (1941–1946):	A1 A2/1 A2/2 A2/3 B1 B2 K1 K5 L1 O1 Q1

Peppercorn (1946–1947):	A1 A2 K1

Other designs:

Proposed designs:

P10 2-8-2T (Nov 1929)
B 4-6-0 (Nov 1936)
? 4-8-2 (1939)
Q 0-8-0 (June 1930)
D 4-4-0 (1943)
? 4-8-4 (Feb 1946)
? 4-8-2 (Feb 1946)
K 2-6-0 (Aug 1947)

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