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| Scored an Omnibot 5402 (Coolest 80's toy ever!) Retro Goodness ! |
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| mike boss:
Here is a side by side of the batteries (new and old). The new battery has no additional info on the sides or back, just the information listed. I've really gotta solve this problem and get this thing working. I have no idea why I'd smell that electrical burn smell, or why the wire on the barrel connector could have possibly melted. I'm going to open the remote this week and see if I can ID any issues. There is what looks like some battery discharge where the batteries go in the remote control. I wonder if that could/would cause an issue ? I was thinking I should try to sand it off a lil. |
| knave:
I had his smaller, cheaper, less functional cousin when I was a kid... Verbot: I have no idea what happened to it. |
| RandyT:
--- Quote from: mike boss on October 30, 2017, 08:36:39 pm ---I've really gotta solve this problem and get this thing working. I have no idea why I'd smell that electrical burn smell, or why the wire on the barrel connector could have possibly melted. --- End quote --- As SLA batteries (or any lead acid batteries) age, they develop corrosion on the lead plates. Over time, this builds up and can create a resistive short between the plates. The end result is higher current gets pulled from the charger for extended periods, which results in more heat in the wires and connectors. The worse shape the battery is in, the worse this becomes. My guess is that, given the age, the original charger is "dumb", and the previous owner left it plugged in for a long time on a very dead battery. The burn smell might be the charger components cooking from the higher than expected current draw. |
| BadMouth:
--- Quote from: knave on October 31, 2017, 11:06:21 am ---I had his smaller, cheaper, less functional cousin when I was a kid... --- End quote --- I had a Verbot also. A few years ago I bought a non-working one off ebay with the intention of putting an arduino in it. Never got around to it and then it fell off my workbench and the dome busted. :'( It went in the trash during the last great workshop cleanout. |
| yotsuya:
--- Quote from: BadMouth on October 31, 2017, 11:29:26 am --- --- Quote from: knave on October 31, 2017, 11:06:21 am ---I had his smaller, cheaper, less functional cousin when I was a kid... --- End quote --- I had a Verbot also. A few years ago I bought a non-working one off ebay with the intention of putting an arduino in it. Never got around to it and then it fell off my workbench and the dome busted. :'( It went in the trash during the last great workshop cleanout. --- End quote --- Shoulda put a Pi in it, it would have fixed that busted dome like nothing. |
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