Saturday, April 28, 2007


Memories of Duco Cement

I finally got down to the hardware store and bought some JBWeld like Zach suggested for tacking down nichrome. I looked at how long it takes JBWeld to set, however, and also bought some Duco Cement. I hadn't seen that since my childhood when I used Duco and Testor's cements to glue together plastic model airplane kits. I was surprised to see that they even made Duco any more.

I set the screw terminal board down with a brass screw and set the comms and power wires down with a paper stapler. The fit on the encoder magnet is perfect. I tested it and it pulses smoothly. There doesn't seem to be any problem with interference from the gearmotor.

Now gravity works to keep the encoder chip on the magnet instead of pulling it away.

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