Union reps were surprised to stumble across a "new Victoria Line train" being tested on a recent visit to Derby. It's odd that it could get so far along the production process without our reps being consulted. You could almost suspect that Metronet and LUL are trying to sneak things past us.
They've already had to go back to square one on this before, with the mock-up 'S' stock cab falling well short of acceptable. In particular, people who are shorter, taller, fatter or thinner than average - and, let's face it, who isn't? - would find it uncomfortable and difficult to operate.