Posted by Geo-TH,In on September 28, 2022 at 13:15:47 from (184.19.47.130):
I bought this charger when in HS. I forgot to unplug charger and the alligators shorted out. I'm using diodes I salvage about 30 years ago. This is the last of my diode inventory.
Two problems. The cathodes make the metal frame of charger positive. Not good. So I made a redneck insulator using a 2x2 And sheet of aluminum. .
Now the positive is no longer touching the metal frame.
Second problem. The diode's forward bias voltage is less the orginal diodes making the output voltage 15.5v. Charging current to a fully charged battery is 15 amps. Charger is rated at 12 amps. I decided to add an inline fuse. Currently using a 20 amp fuse.
Now I need to find a 120v dimmer to reduce the 120vac input voltage. I have a used dimmer some place. Dimmer will work on this old manual charger. I only use this charger when the battery voltage is so low a smart charger won't work.
When I use this old girl I use a timer so I don't forget to unplug it.
If I have another senior moment and forget to unplug the charger. Touching the alligators will blow the fuse. Connecting charger with the wrong polarity will blow the fuse too.
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Today's Featured Article - Grain Threshing in the Early 40's - by Jerry D. Coleman. How many of you can sit there and say that you have plowed with a mule? Well I would say not many, but maybe a few. This story is about the day my Grandfather Brown (true name) decided along with my parents to purchase a new Ford tractor. It wasn't really new except to us. The year was about 1967 and my father found a good used Ford 601 tractor to use on the farm instead of "Bob", our old mule. Now my grandfather had had this mule since the mid 40's and he was getting some age on him. S
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