Straight tube stock can be formed using a bending machine to create a variety of single or multiple bends and to shape the piece into the desired form.
32.
A decision was taken to remove the equipment and replace it with a Pneumatic Cam Motor ( PCM ) system, using spare controllers from the 1938 tube stock.
33.
With the Jubilee Line Extension in mind, it was planned the 1983 Tube Stock would be refurbished to run with the newer 1996 Stock that entered Jubilee line service in 1997.
34.
The 1972 Tube stock was ordered in a hurry, so there was no time to create a new design; the trains were based on the 1967 Tube stock on the Victoria line.
35.
This falls comfortably within the lower permanent voltage limit for the Capitalstar stock ( 500 volts ) and the upper permanent voltage limit for the 1972 tube stock ( 760 volts ).
36.
Numbers 1 and 5 have been modified by fitting Wedgelock couplers so that they can be used to shunt tube stock, whilst numbers 3 and 6 have been fitted with emergency couplers.
37.
The 1972 Tube stock was ordered in a hurry, so there was no time to create a new design; the trains were based on the 1967 Tube stock on the Victoria line.
38.
In January 2003, the Waterloo & City was closed for over three weeks for safety checks after a major derailment on the Central line, which required all 1992 tube stock trains to be modified.
39.
When the line was opened, it was served by a fleet of eight-car trains of 1972 Mark I Tube Stock, transferred from the Northern line and converted to be compatible with the 1967 stock.
40.
The lines in the Isle of Wight used elderly steam engines cascaded from the mainland for many years, but in 1966 the Southern Region acquired some redundant " Standard " tube stock from London Transport.
