Railway Point Detection Circuits 

Railway Point Detection Circuits  ‘V’ Style Frame Chairlock Point Circuits The Point Control, Lever Lock and Indication circuits for Chairlocks are identical to the Four  Foot point circuits already discussed. Detection Unlike Four Foot points, a Chairlock layout uses two separate and independent detection units, one for each rail switch. Each unit proves that its corresponding […]

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Left-hand Turnout, Double Ended, WL At Both Ends

Railway Right-hand & Left-hand Turnout Point Circuits

Right-hand Turnout, Single End, Without WL Right-hand Turnout, Single End, With WL   Right-Hand Turnout, Double Ended, Without WL   Right-hand Turnout, Double Ended, WL At ‘A’ End   Right-hand Turnout, Double Ended, WL At ‘B’ End   Left-hand Turnout, Single End, Without WL Left-hand Turnout, Single End, With WL   Left-hand Turnout, Double Ended, […]

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Right Hand Turnout, Double Ended, WL At Both Ends

Railway Double Ended Turnout, WL At Both Ends

Right-Hand Turnout, Double Ended, WL At Both Ends   Left-hand Turnout, Double Ended, WL At Both Ends Flat Bottom Four Foot Point Circuits The widespread introduction of plug-in ‘Q’ style relays and track conversions from bullhead to flat bottom rail has brought about improvements in the design of the four foot point circuits. We shall […]

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