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A week or so ago, I had a second Aristocraft Heavyweight almost go up in smoke. (i.e. wiring completely melt into a pile of copper and plastic) The cause: The light bulb base hot glued to the top of the roof works loose from the glue and shorts across the two power wires running along the length of the car top. The first time I had this happen, the car in the course of 5 seconds started billowing smoke from the time I turned the switch to the time I could turn it off. I had to completely disassemble the entire car and rewire & replace the on/off switch.
In the cars I've been able to get the roofs off, I've added a bunch of hot glue to the bases to ensure they don't work loose. However, some roofs are near impossible to get off even trying to work the retaining tabs back with a long screw driver. SO, I've decided to go ahead and add resettable polyfuses to each of the power wires going into the bottom of the car at each truck.
Before:
After:
Tested them installed (they are .65 amp (1.3amp trip)) and the fuses work fine and should protect against any future light base shorts.
Source for the fuses: http://www.allelectronics.com/make-a-store/item/RXE-065/RESETTABLE-CIRCUIT-PROTECTOR-0.65-1.3-AMP/-/1.html
Raymond
In the cars I've been able to get the roofs off, I've added a bunch of hot glue to the bases to ensure they don't work loose. However, some roofs are near impossible to get off even trying to work the retaining tabs back with a long screw driver. SO, I've decided to go ahead and add resettable polyfuses to each of the power wires going into the bottom of the car at each truck.
Before:
After:
Tested them installed (they are .65 amp (1.3amp trip)) and the fuses work fine and should protect against any future light base shorts.
Source for the fuses: http://www.allelectronics.com/make-a-store/item/RXE-065/RESETTABLE-CIRCUIT-PROTECTOR-0.65-1.3-AMP/-/1.html
Raymond