... capacity 4. Honeycomb girder 1. Main technical parameters of bridge girder launcher itemspecificationSpan(m)50Rated lifting capacity(t)150total weight ... a girder, it is made up of roller institution, core tray, half curved beam, driving gearbox, driven gearbox, fixing device, ... motor and control cabinet with power about 130kw , connected by cable, guide line and motor. Two control cabinets are fixed ...