This DIY Push Pull Tube Amp Build doesn’t need a circuit board since everything is done using point to point wiring. If you open up some old equipment such a TV or stereo you will see that this type of wiring was the norm. It is hard to believe that this was the way mass produced equipment was constructed. "Initially I started with 6EU7 tubes in the preamp stage
This car that drives on walls using a vacuum is a very cool concept. By using a internal vacuum pump this car can stick the a wall or ceiling and still have enough slippage that the wheels can drive it around. I am sure the designers had to work on the optimal level of vacuum for a long time. Too much and it would not move with the wheels
Medix has been working on some interesting projects but as some of you know I have a soft spot for hard disk drive projects. By removing the drive motor and platters there was room to install a shutter in the center. The voice coil that normally moves the read/write head is then used to actuate the shutter open and closed. It can be connected to some external control equipment
The Workbench Contest is now over and I would like to thank all of the people who took the time to make one of the 34 entries! There are so many great ideas that are guaranteed to help lots of us improve our existing setup and plan for great future bench layouts. I have had a careful look through all of the entries and also received some requested feedback
