IBM ThinkPad A20p, from 2000. Vintage Computer Teardown.

Standard Features Intel Mobile Pentium III 700 or 750 MHz CPU ATI Rage Mobility 128 with 16MB 15.0″ TFT display with 1400×1050 resolution 128MB PC-100 memory standard (512MB max) 18 or 20GB HDD Click here for a long list of more teardown videos to watch!

IBM ThinkPad A20p, from 2000. Vintage Computer Teardown. Read More »

Teardown of Danfoss VLT6000 4kW Variable Frequency Drive

A teardown of a Danfoss VLT6000 4kW VFD, a run down of the current paths in the system and I show which parts I find to have a value. Check out some of my other Variable frequency drive teardown videos, like this 10 kW drive! Datasheet on the unit: https://www.danfoss.com/en/products/ac-drives/dds/vlt-and-vacon-legacy-drives/vlt-6000/#tab-overview

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Floppiclene! A Electronics Cleaning Relic of the Past.

I found a old Floppiclene 3.5″ floppy drive cleaning kit and tried it out on a defective computer/floppy drive/floppy that I had. It would constantly ruin “new” disks and leave them with few kb of useful space. If you like computer teardowns, check out some of the other videos. It also failed horribly!

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Siemens Polyphos 30 X-RAY Inverter and Control Panel Teardown (Part 3 of 3)

Teardown of the Siemens Polyphos 30 X-ray inverter systems control panel including computer, safety functions, HMI and high voltage inverter circuit. Be sure to check out part 1 about the X-ray head and part 2 about the collimator and image plate. Discussion of teardown and more pictures: https://highvoltageforum.net/index.php?topic=523.0

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Siemens Polyphos 30 X-RAY Collimator and Image Plate Teardown (Part 2 of 3)

Teardown of the Siemens Polyphos 30 X-RAY collimator and image plate. Collimator had an interesting moving blinds design with a lot of gears, pulleys and strings. Image plate has a lead grid and some kind of sensor. Discussion of teardown and pictures: https://highvoltageforum.net/index.php?topic=523.0

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Siemens Polyphos 30 X-RAY Head 125kV Teardown (Part 1 of 3)

Teardown of the Siemens Polyphos 30 X-ray head which contains step-up transformers, voltage multipliers and a rotating plate x-ray tube and a lot of oil! Be sure to check out part 2 about the collimator and image plate and part 3 X-ray inverter system. Discussion of teardown and additional pictures: https://highvoltageforum.net/index.php?topic=523.0

Siemens Polyphos 30 X-RAY Head 125kV Teardown (Part 1 of 3) Read More »

750W Victron Solar Project – Power wall and 8 days performance – Part 3

In part 3 I test the setup with all 3 panels connected and look at the performance over the last 8 days. In part 1 you can see all the parts I pieced together and in part 2 there is the inital tests of the solar charger setup. It all consists of:

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TIG welder teardown. ESAB TIG Caddy 1500i

A teardown of a ESAB Caddy 1500i TIG welder, a run down of the current paths in the system and I show which parts I kept. I also have a teardown video of a ESAB LTR 200 welder. Datasheet on the unit: https://www.esab.dk/dk/da/products/arc-welding-equipment/tig-equipment-cc/industrial-equipment/caddy-tig-1500i-2200i-ta34.cfm

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