British Rail Classes 485 and 486

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Template:Short description Template:Use dmy dates Template:Use British English Template:Infobox EMU

The British Rail Class 485 (or 4Vec, later 5Vec) and British Rail Class 486 (or 3Tis, later 2Tis) electrical multiple units were originally built for the London Electric Railway from 1923-31 as its 'Standard' tube stock. They were purchased by British Rail in 1967 and transported to the Isle of Wight to work 'mainline' services on the newly electrified Ryde to Shanklin line,[1][2] where they worked for an additional quarter of a century. At the time of their purchase the units had already worked for over 40 years on the London Underground, but their introduction allowed the last steam locomotives on the line to be withdrawn.[2]

History

Six four-car sets and six three-car sets were refurbished by BR's Stewarts Lane depot in 1966-67. The four-car sets were initially classified Class 452 and numbered 041-046, later reclassified Class 485 and numbered 485041-046. Each unit was formed of a driving motor, two intermediate trailers, and a second driving motor. Thus, the formation was DMBSO+TSO+TSO+DMBSO. Some of the intermediate trailers were former driving trailers, with the cabs locked out of use.

The three-car sets were classified Class 451 and numbered 031-036, later reclassified Class 486 and numbered 486031-036. A spare driving motor car was also refurbished, given the unit number 486037. Each of these units were formed of a driving motor, an intermediate trailer, and a driving trailer. Thus, the formation was DMBSO+TSO+DTSO.

When introduced, the units carried all-over BR blue livery. This progressed to standard blue/grey livery in the 1970s, and finally some units received Network SouthEast's blue livery with red and white stripes, following its introduction in 1986.

Electric services on the Isle of Wight commenced on 20 March 1967. In service, the 4Vec units often worked alone, but sometimes in combination with a 3Tis unit, such that a train was formed of seven coaches known as a 7 Vectis.[2] ("Vectis" was the Roman name for the Isle of Wight.[3])

Reformation

In 1985, the Class 485 units were reformed into five 5 car (5Vec) units, and the Class 486 units into two 2 car (2tis) units.[4]

Withdrawal

Due to the proximity to the sea, the units suffered badly from corrosion damage.[5] By the mid-1980s it was clear that they needed to be replaced. The replacements came from the two-car Class 483, which were also rebuilt from former London Underground stock, namely 1938 tube stock.[6] These new units were introduced from 1989. The last 2Tis and 5Vec units were withdrawn from service in 1992.[1]

Upon retirement from Isle of Wight services, no 486 units were saved for preservation. However, several 485 vehicles were sold back to London Underground for eventual restoration as part of an operational 'Standard' stock museum unit.[7] These are listed below:

Type No. From set LT no.
DMBSO 2 485041 3706
DMBSO 7 485044 3209
DTSO 27 485043 5279
TSO 44 485044 7281
TSO 49 485044 7296

Of these five cars, only DTSO 5279 and TSO 7296 have been preserved, all the other cars were scrapped in Acton works in 2013 alongside other old Standard Stock Cars. During November 2011 the two long-stored DM vehicles 2 and 7 were despatched by LU to Eastleigh depot for component recovery and subsequent breaking up: this is believed to have occurred in December 2011 (although this has not been confirmed). Trailers 27 and 49 are incorporated into the LT museum's Standard stock museum train. Trailer 44 was scrapped in August 2012.

Fleet details

File:Rydephstn.jpg
Class 486s at Ryde Pier Head.
Class Operator No. Built Year Built Cars per Set Unit nos.
Class 485 Southern Region (Island Line)Script error: No such module "Check for unknown parameters".
Network SouthEast 		6 1923
refurb. 1966 		4, later 5 485041–485046
Class 486 6 3, later 2 486031-486036
Class 485 (pre-1985)
Unit no. Carriage nos.
DMBSO TSO TSO DMBSO
IoW LU IoW LU IoW LU IoW LU
041 20 3308Script error: No such module "Check for unknown parameters". 27[T 1] 5279Script error: No such module "Check for unknown parameters". 41 7286Script error: No such module "Check for unknown parameters". 13 3141Script error: No such module "Check for unknown parameters".
042 22 3010Script error: No such module "Check for unknown parameters". 29[T 1] 5293Script error: No such module "Check for unknown parameters". 42 7280Script error: No such module "Check for unknown parameters". 15[T 2] 3253Script error: No such module "Check for unknown parameters".
043 2 3706Script error: No such module "Check for unknown parameters". 31[T 1] 5283Script error: No such module "Check for unknown parameters". 43 7275Script error: No such module "Check for unknown parameters". 19 3045Script error: No such module "Check for unknown parameters".
044 4 3702Script error: No such module "Check for unknown parameters". 33[T 1] 5291Script error: No such module "Check for unknown parameters". 44 7281Script error: No such module "Check for unknown parameters". 21 3041Script error: No such module "Check for unknown parameters".
045 6 3084Script error: No such module "Check for unknown parameters". 45 7293Script error: No such module "Check for unknown parameters". 48 7298Script error: No such module "Check for unknown parameters". 23 3315Script error: No such module "Check for unknown parameters".
046 8 3074Script error: No such module "Check for unknown parameters". 49 7296Script error: No such module "Check for unknown parameters". 46 7283Script error: No such module "Check for unknown parameters". 25 3313Script error: No such module "Check for unknown parameters".
Class 486 (pre-1985)
Unit no. Carriage nos.
DMBSO TSO DTSO
IoW LU IoW LU IoW LU
031 1 3703Script error: No such module "Check for unknown parameters". 47 7279Script error: No such module "Check for unknown parameters". 26 5294Script error: No such module "Check for unknown parameters".
032 3 3251Script error: No such module "Check for unknown parameters". 92 7285Script error: No such module "Check for unknown parameters". 28 5304Script error: No such module "Check for unknown parameters".
033 5 3185Script error: No such module "Check for unknown parameters". 93 7282Script error: No such module "Check for unknown parameters". 30 5312Script error: No such module "Check for unknown parameters".
034 7 3209Script error: No such module "Check for unknown parameters". 94 7287Script error: No such module "Check for unknown parameters". 32 5290Script error: No such module "Check for unknown parameters".
035 9 3223Script error: No such module "Check for unknown parameters". 95 7292Script error: No such module "Check for unknown parameters". 34 5302Script error: No such module "Check for unknown parameters".
036 11 3705Script error: No such module "Check for unknown parameters". 96 7290Script error: No such module "Check for unknown parameters". 36 5350Script error: No such module "Check for unknown parameters".
Spare 10 3696Script error: No such module "Check for unknown parameters". – – – –

Notes

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References

Template:Reflist

Sources

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Bibliography

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Further reading

External links

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  1. ↑ a b Cite error: Invalid <ref> tag; no text was provided for refs named TRC
  2. ↑ a b c Script error: No such module "citation/CS1".
  3. ↑ Script error: No such module "citation/CS1".
  4. ↑ Script error: No such module "citation/CS1".
  5. ↑ Script error: No such module "citation/CS1".
  6. ↑ Script error: No such module "citation/CS1".
  7. ↑ Script error: No such module "citation/CS1".


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