Sunday, January 27, 2013

Some Details on Sound

Following my last posting (Finally, Some Sound), I had a few questions on how I mounted the electronics in the slope-back tender of the 0-6-0. Unfortunately, I did not take any photos of the tender insides but here is a diagram of what is mounted and where.

   To begin with, the motor and drive was replaced with a Sagami 16x30 can motor and a NWSL 150-6 gearbox (36:1). All of the electronics mount in the back half of the tender shell. I had previously filled the coal bunker with coal and had weights in the water part adjacent to the coal. I used a Micro-Tsunami (C-Class Steam) with a Soundtraxx 810112 oval speaker. The wires for both were oriented toward the middle of the tender beneath the mounting strap. The capacitor was also mounted beneath the mounting strap. I used an incandescent 1.5V bulb for the backup light and the resistor for that was stuff in one of the legs adjacent to the coal bunker. None of these pieces was fastened to the tender body but just laid in. Three 1/8” holes were drilled in the tender floor beneath the speaker to let the sound out. An additional hole was drilled in the floor for the wires to pass through to connectors located beneath the front truck body bolster. I kept the wires as short as possible so they could all be stuffed beneath the mounting strap when assembled. It was programmed this morning and it sounds great. 

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