Noise levels in the cab of HST power car 43 167 following the installation of a mirrlees blackstone engine (IM-SAV-049)

Noise levels were measured in the cab of HST power car 43 167 in July 1986, when it was powered by a Paxman Valenta engine. Further measurements were taken in February .1987, following the trial installation of a Mirrlees Blackstone engine in the power car, in order to establish whether...