I have found that once you have a few large power resistors in a bin, you will soon have many many more. Enjoy!
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#ElectronicsCreators #franlab #power
- Music by Fran Blanche -
Fran on Twitter - https://twitter.com/contourcorsets
Fran's Science Blog - http://www.frantone.com/designwritings/design_writings.html
FranArt Website - http://www.contourcorsets.com
No, resistance is not… it’s voltage divided by current 🙂
I don't know what it is about power resistors, but they are my favorite thing to add to my parts collection. My best is a 11 ohm 750 watt one, the thing is over 16" long and open wound on molded ceramic supports, it came off of a elevator control panel.
Ohhh… looks like a lot of them are good for audio power amp load resistors. Nice collection!
Don't leave home without a good power resistor.
mighty morphin power resistors!
If you really overload one of those gold aluminium power resistors, one end shoots out like a bullet and leaves a glowing cloud of resistance wire on the bench! The end actually went through a steel PC case, so don’t try it!
What a great title Fran.
Anyone remember "Dropper line cords" ?? A line cord and resistance combination which handled wall outlet voltage. These got a very bad reputation for killing people.
This brings back memories… earliest voltage dropper hollow ceramic inside a transformerless TV, to burn off voltage fed to series string of tube heaters. Then those golden ali-clad bolt downs on wires dropped into a bowl of water fizzing away for testing group gear up to kilowatts. Even used a wirewound for an RF dummy load just to annoy people telling me it's impossible (put a tuning capacitor in series to cancel the inductance) .
I used to heat up slices of pizza on a Dale (or Vishay?) power resistor in that anodized aluminum housing.
I am helping with some relay contact tests in our lab right now and we need to use the caged type resistors! They too have bakelite supports, and is from the 50/60s, so they are still relevant today.
On diesel electric locomotives, there is a braking resistor pack. Its made of 4 pieces, each piece is 1.47ohms @ 800,000watts.
Do you use some of them as dild0s ?
Had a job interview once. They took me into the lab and showed me a copper pipe coil with fittings on each end. "What is it?" the guy asked. I couldn't come up with a guess. it was a quarter ohm water cooled dummy load. Its like a rocket engine expansion cone, if you keep it cool it can take a lot of power.
Apologies in advance, that was Frantastic.
Wow, this episode brings back memories. I used to have a bunch of these in my early days but then got into digital stuff.