Thompson's Corner
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Thompson's Corner |
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Garden - Waterfeature
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This is a "snowball" project; one of those that starts small and then snowballs. It started as a perceived need to get the lawnmower over a drainage ditch. That resulted in a bridge. Then an extention walkway was wanted to connect the bridge to an existing path in the garden. And a waterfall / stream would look good next to the brodge walkway, "don't you think." But I have small Grandkids, so a pondless stream would be required. I hope this "snowball" melts soon. |
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Inductance-Capacitance Meter Adapter
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I had to use a signal generator, resistor, and oscilloscope to measure the value of an inductor for my battery-charger project. That was just irritating. So, after looking for a reasonably priced L-C meter and finding none, I started looking at articles for building one. There are many on the net. I picked the best one based on cost, ease of assembly, and ability to check all sizes of inductors I needed with minimum errors due to resistance and core saturation. The capacitance meter was thrown in for convienience and does not pretend to be anything but a simple capacitance checker. |
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Automobile Battery Charger
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My mustang spent the winter in the garage, and ended up with a un-chargeable battery this spring. Now, the battery was only about 6-months old so I began research how batteries die and what to do about it. This project came out of that research. It seems I did everything wrong. I let the battery go completely dead, no float charging. I started the car a few times during the winter, but never allowed the battery to get fully recharged. I charged the battery incorrectly with a bench power supply. The result is a battery with sulphonication. So, what I wanted to build was a battery charger that would charge a battery at about 10 amps if it was very discharged, and then switch to a float charge of about 100 ma when the battery was nearly charged. I wanted to use one of the old PC power supplies that I have laying around as the power source for the charger. In addition to the charging and float maintenace, I wanted to periodicaly apply a load to discharge the battery slightly and follow the discharge with a re-charge. |
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Welding Cart
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Initial design is done. Construction is from bed-frame angle iron. It will hold my arc welder, the TIG Arcstarter and Power Control, my MIG welder, and two gas cylinders |
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Klipsch Promedia Speaker Repair
Thanks to the circuit tracing and schematic drawing efforts of Evan Shultz, the Promedia V2.1, V4.1, and V5.1 have been added. |
Small Projects
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TIG Arcstarter and Power Control A typical homemade arcstarter, but the power control section is not typical of home made circuits. Power control is linearly controlled from zero to full power at no, partial, and full current. |
Welder Foot Pedal and Torch Controls A small box added to the torch provides the same power-level and On-Off control that the foot pedal gives, but can do it in cramped locations. |
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Jetted-Tub Controller |
House Projects
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65 Mustang Intermittent Wipers |
Convert 65 Mustang to |
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65 Mustang Blast Panel This design is untested - thank God - since I only have one Mustang. There is no stated or implied guarrantee that the panel will prevent or lessen injury. Use the information only as an example of what someone else has done. |
More Mustang
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