Trestrol vehicle (Lab 24) fitted with APT experimental H2X power bogies - Vertical and lateral ride on straight and curved track at Beattock on the 27th March 1977 (TM-DOS-47)

Up to speeds of 203 km/h and 6° cant deficiency the lateral ride of Trestrol was satisfactory. Over straight track the ride performance of both Trestrol and a Class 86/2 locomotive (hauling test train) was similar, but on curves the latter gave a more favourable response. In the vertical plane...