... topic: 644 Clamp-Lock hydraulic switch drives posted: 26 Nov 2008 17:46 from: Martin Wynne Mick Nicholson has sent some close-up pics of the BR Clamp-Lock design of combined hydraulic switch drive and facing-point lock. This is normally associated with FB track, but can also be fitted to bullhead. clamp_lock2.jpg This view also shows the chamfered style of switch planing: clamp_lock1.jpg clamp_lock3.jpg A detailed description of this design is in sections B3 and B4 of this document: Clamp-Lock data From which: clamp_lock_dwg.png Clamp-Locks on the movable K-crossing switches of a double-slip: fb_movablek_dslip.jpg Finally another pic from Mick, of an insulated stretcher bar joint (for track circuiting): insulated_stretcher.jpg Many thanks Mick. Martin. posted: 21 Apr 2010 18:30 from: Jim S-W Hi All A quick pic for you of Colin Craig's 4mm scale clamp lock details clamp%20locks%202.jpg HTH Jim Parts of Templot Club may not function unless you enable JavaScript (also called Active Scripting) in your ...