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Gauges/Tie Bars

4mm Track Gauges

Gauges are of the roller type, and are designed to hold just the head of the rail.

4mm Tie Bars

These consist of two pieces of brass wire held in place by a plastic based insulating material, with a suitable gap between the two ends in the centre thus ensuring electrical insulation. The outer ends of the brass wire are formed into a loop (pigs tail) to enable them to be easily soldered to the appropriate switch blades. Due to their size and shape they provide a prototypical looking tie/stretcher bar. However, due to their size they should not be relied upon completely, especially where repeated use is made of the turnout using a non delicate operating system!

For additional strength and to ensure reliable operation (by whatever means is chosen), it is recommended that a more robust fixture be completed under the baseboard, using brass ‘dropper’ wires from each switch blade. These fit through a small hole in the baseboard and are then soldered to a piece of Copperclad, to which the main operating wire is attached. If you use this system, remember to scrap away some of the Copperclad between the two dropper wires to ensure that there is an electrical break to prevent a short circuitThis is just one of many possible solutions that can be considered when deciding upon a more robust operating system.

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4BBP4
Back to Back Gauge - P4
..
£9.50
Ex Tax: £7.92
4TGP4
Track Gauges - S4 (18.83mm) - 0.69mm flangeway - 2
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£9.50
Ex Tax: £7.92
4TIP4
Stretcher/Tie Bars - S4 - 2
..
£7.20
Ex Tax: £6.00
DCG-BBP4
Back to Back Gauge (P4 - 17.75mm) from DCC Concepts
DCC Concept - Brass back-to-back gauge for modellers using P4 gauge and related P4 gauge track and w..
£13.00
Ex Tax: £10.83
E4XX TG01
P4 track gauges - Set of 4  (18.83mm, +0.1, +0.2, +0.3)
..
£10.80
Ex Tax: £9.00
E4XX TG02
P4 track gauges - Set of 4  (all at 18.83mm)
..
£10.80
Ex Tax: £9.00

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