Vitrains VB2N driver car with electric coupler.
Globally effective, these cars have however a number of flaws. Let’s mention first the wiring of the driver car, very visible on the platforms, with fairly large wires soldered on strips passing through large holes that I call “beans”! I don’t even talk about the current pickup strips quite stiff, rubbing on curious drums integrated with the wheels, and inducing significant frictions.
Regarding the lighting of the lanterns, this is not brilliant (I found that the LEDs are not facing the light guides, which seems to be a specialty of Vitrains (see Improvement of the 1607 SNCB Vitrains), and the white light optics do not fill their housing (why, that’s a mystery). There is no lighting of the compartments, but I prefer that rather than pay an extra 20 to 30 € for a device which, in any case, will not satisfy me.
There are a number of badly glued windows that tend to sink into the body. The access platforms are not equipped at all, and the seats require serious deburring. Finally, these cars do not roll well, because of axles that have no backlash in their (plastic) bearings. Moreover, they are too low by about 1 mm.
I therefore propose to remedy these defects, namely: