Registered Steam Locomotives
The Class 98 series has also been used for privately-owned steam locomotives registered to run on the mainline since 1971. The first two digits are the class designation, in this case 98, the remaining three digits are allocated as follows:
The third digit represents the power classification, which was assigned (with a few exceptions) to all British Railways locomotives. The narrow gauge VoRR locomotives were not assigned a power class, but for TOPS purposes were allocated to power class 0. Three standard gauge locomotives have run on the mainline that were not previously in BR stock; Lady Armaghdale (Hunslet works No. 686 of 1898) was assigned power class 1F on the basis of its tractive effort, Barbara a Hunslet Austerity 0-6-0ST (works No. 2890 of 1943/rebuilt 1962 as 3882), assigned power class 4F on the basis of the classification given to LNER Class J94 of the same design, and the replica A1 Pacific locomotive Tornado assigned power class 8P on the basis of the power class assigned to the LNER Peppercorn Class A1 on which it was based. Additionally, two engines in LMS stock but not BR stock were given their LMS power classification 1P.
The fourth and fifth digits usually represent the locomotive's BR number, with a few exceptions. Some ex-LNER locomotives have numbers based on their LNER pre-1946 numbers, these being Class A3 Flying Scotsman (4472), Class A4s Mallard (4468) and Sir Nigel Gresley (4498), LNER Class J36 Maude (NBR 673, LNER pre-1946 9673) and Class V2 Green Arrow (4771). Furthermore, the aforementioned locomotives not of BR origin obviously cannot have numbers based on non-existent BR numbers, so Lady Armaghdale number is based on the works number 686, Barbara on the works number of its 1962 rebuild, and Tornado is assigned the number it carries, 60163, being one greater than the last of the previous Peppercorn A1s.
In a few cases, this process results in the duplication of an existing number, so another is assigned. SR Class U 31625 is TOPS 98426 as it would otherwise duplicate GWR 7325 (TOPS 98425), BR Standard Class 8 71000 Duke of Gloucester (TOPS No. 98802) as it would otherwise duplicate GWR King Class 6000 King George V (TOPS No. 98800).
Read more about this topic: British Rail Class 98
Famous quotes containing the words registered, steam and/or locomotives:
“To have no son, no wife,
No house or land still seemed quite natural.
Only a numbness registered the shock
Of finding out how much had gone of life,
How widely from the others.”
—Philip Larkin (1922–1986)
““If Steam has done nothing else, it has at least added a whole new Species to English Literature ... the booklets—the little thrilling romances, where the Murder comes at page fifteen, and the Wedding at page forty—surely they are due to Steam?”
“And when we travel by electricity—if I may venture to develop your theory—we shall have leaflets instead of booklets, and the Murder and the Wedding will come on the same page.””
—Lewis Carroll [Charles Lutwidge Dodgson] (1832–1898)
“The flower-fed buffaloes of the spring
In the days of long ago,
Ranged where the locomotives sing
And the prairie flowers lie low:—”
—Vachel Lindsay (1879–1931)