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From the same brass stock, make the “U”<br />
shaped support bracket (the top of the<br />
bracket to be level with the top of the<br />
needle beam) and secure to the centre<br />
beam with brass pins. Make the 4mm x<br />
0.5mm brake lever, about 35mm long, drill<br />
three holes, as shown and connect to the<br />
“U” bracket. Set the two brake levers at<br />
about 25 degrees off square and install the<br />
main connecting rod. This rod can be<br />
made from 1.65mm copper or brass rod,<br />
hammered flat at each end. Drill a<br />
connecting pinhole at each end and<br />
connect with brass pins. Clevises can be<br />
used on each end of the main rod instead of flatting out the ends. I just happen to have run out of<br />
clevises<br />
at the time.<br />
From the clevis hole, near the piston clevis<br />
on<br />
the main brake lever, run a length of<br />
0.8mm brass wire to the brake wheel<br />
bracket. About an inch from the bracket,<br />
cut the wire and form a loop for the brake<br />
chain. Install a short length of suitable<br />
brass brake chain. This chain will latter be<br />
fixed to<br />
the brake wheel staff, between the<br />
brake<br />
bracket and end beam.
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